Dead Pixel - One (M8) Q&A, Help & Troubleshooting

I have a dead pixel howeber it is hardly noticeable. I have been told I have to return via post before a replacement can be sent. Do dead pixels have a tendancy to spread? or not. Of not I will stick with this phone as I am f#cked without it for two or three days lol

exocetdj said:
I have a dead pixel howeber it is hardly noticeable. I have been told I have to return via post before a replacement can be sent. Do dead pixels have a tendancy to spread? or not. Of not I will stick with this phone as I am f#cked without it for two or three days lol
Click to expand...
Click to collapse
no, dead pixels do not spread my dear..
an easy way to fix it yourself is to leave the screen on for 30 minutes on full brightness or download an app such as:
https://play.google.com/store/apps/details?id=com.htc.chris.blackspotdetect

beanbean50 said:
no, dead pixels do not spread my dear..
an easy way to fix it yourself is to leave the screen on for 30 minutes on full brightness or download an app such as:
https://play.google.com/store/apps/details?id=com.htc.chris.blackspotdetect
Click to expand...
Click to collapse
Cheers i thought better of returning it anyway, I used dead pixel detect and fix (the one that can cause seizures lol) and didnt work but will try some others

in fact that is the strobe one hahahaha! I will try again

exocetdj said:
in fact that is the strobe one hahahaha! I will try again
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Click to collapse
ha..!
i had the same prob a couple of years ago with my one x and the solution was to burn it out by leaving the screen on at full brightness for half an hour

beanbean50 said:
ha..!
i had the same prob a couple of years ago with my one x and the solution was to burn it out by leaving the screen on at full brightness for half an hour
Click to expand...
Click to collapse
cool well the epileptic seizure app has been running for 25 mins now so will burn away

Attempting to "burn" it away has limited success. If you have one dead pixel it's always possible you can get more. At that point, many people who are deep in to monitors consider the screen toast. If you fight with HTC (or whichever carrier) you can likely convince them to send you the replacement first, along with a mailer to send the old phone back. I know for HTC to repair the phone, they want it sent in (obviously), but to just do a RMA on it you can probably convince them to send you a new one first. Just use a line like "what am I supposed to do without a phone for these weeks while I wait for the new one". Or you convince them to overnight it if that doesn't work. Usually they're flexible enough to do that if you try hard enough. I've been able to pull it off with LG, Samsung, and HTC before, as well as with T-Mobile's Insurance Program for repairs, so give it your best shot

Related

Dead Pixel - Please Help!!

Hey,
I have had my device for one week, so under DSR working days I should still have time to return.
I have discovered a dead pixel at the top of the screen, which is always blue - I will try and get hold of tMobile tomorrow but wondering if anything else I can do or if It can be sorted.
The pixel appears blue on bright backgrounds, and is annoying - but i'm pissed because i got it last saturday, so its 7 days till now, may be on my own grrr - They state that the 7 days cooling of starts the day after the phone arrived, so its now 8 days so today is fine, however DSR states working days, minus weekend and good friday I should have a few more days - None the less hoping to get it replaced? Oh, forgot Easter Monday too :S
I've emailed tmobile and will try and phone them now, hopefully CS is still open.
Thanks
Also, I think it just developed or something, wasnt there before? - When screen is black, its not visible, when screne is red visible as a black spot, when screen is blue not visible, when screen is white visible as a blue spot - Ran that JScreenFix app twice both times for 20 minutes, no change :S
Nelsaidi said:
Also, I think it just developed or something, wasnt there before? - When screen is black, its not visible, when screne is red visible as a black spot, when screen is blue not visible, when screen is white visible as a blue spot - Ran that JScreenFix app twice both times for 20 minutes, no change :S
Click to expand...
Click to collapse
Sorry to hear that
JScreenFix is only for when the pixel is stuck not dead,
from your description the dead pixel is RED not BLUE.
I am just curious as to why you say PLEASE HELP!! it's not like we can help you. Just return it for warranty or replacement.
Its panic - and when one does it they become ignorant
Well, I've contacted TMobile, they have no HTC Desire stock so cant exchange it now, however I'll call back tomorrow and a note has been left incase I'm out of the 7 working day DSR period.
Spoke with a lady who hadnt the idea what a dead pixel was and said "in the meantime ask HTC if there is a solution"
Thanks
I have also discovered a dead pixel in the middle of the screen. Can't see it unless you really look for it. It is only visible on a white background and shows up as pink... lol
Will they exchange mine under warranty? I don't want to call them now, I will use it for a few more months and then exchange it for a new one.
Doesn't there have to be 3-4 'Dead' pixels before an item is deemed 'Faulty' and any returns is at the manufactures discression?
killyouridols said:
Doesn't there have to be 3-4 'Dead' pixels before an item is deemed 'Faulty' and any returns is at the manufactures discression?
Click to expand...
Click to collapse
Basically - yes. It also depends how many and the type of defect within an area. If you have 2 at opposite ends of the display - this could be ok, however if they were close together - could be classed as a defect. Its basically up to HTC and what their criteria is.
I would have thought they would replace a dead pixel, even if it was only one. Let us know how you get on with your replacements.
zonkkk said:
I have also discovered a dead pixel in the middle of the screen. Can't see it unless you really look for it. It is only visible on a white background and shows up as pink... lol
Will they exchange mine under warranty? I don't want to call them now, I will use it for a few more months and then exchange it for a new one.
Click to expand...
Click to collapse
No way in hell will they swap it for a new one if it's a few months old. Do it right away and they MIGHT, maybe.
T-mobile agreed to swop mine out 3 weeks ago but haven't replaced it yet due to lack of stock. Whilst I could chase them I'm not overly rushed as I still haven't received my screen protectors yet!
irkan said:
Sorry to hear that
JScreenFix is only for when the pixel is stuck not dead,
from your description the dead pixel is RED not BLUE.
Click to expand...
Click to collapse
I have a red pixel.. what does that mean? I have had it for a long time but im not sure if its dead or stuck..? thanks in advance
dead pixel means that nothing is shown the pixel is only ever black... stuck pixel means that it only ever shows one colour...
that was the definitions i was last told anyways!!
You both have dead pixels. I think it highly improbable that they will ever become unstuck. Hehe.
If you can take it back then do so quickly because only a new screen will fix it.
Sent from my HTC Desire using XDA App
If the pixel is red, or any other color except white or black, it probably is a stuck pixel. And I read the beginpost quickly, and if I remember well (it's pretty late here, sorry for any possible mistakes in my post), the pixel sometimes changed.
If that is the case, it is absolutely not dead. If an app which 'wakes up' the pixels doesn't work, I don't know what will. And last, I wonder if your provider or the manufacturer will repair this for free. I read somewhere that there have to be a certain amount of dead pixels before it is accepted for a free repair.

amazon, all One X are faulty :(

Hey guys,
today i spoke to amazon germany about the one X, because i had already 3 faulty devices and all devices had the same issue, screen flicker.
The amazon worker said, they tested all devices and every device was faulty, now they are waiting for a statment from HTC. I think its very sad especially for the people who waited for their device, HTC shame on you -.-
picxar said:
Hey guys,
today i spoke to amazon germany about the one X, because i had already 3 faulty devices and all devices had the same issue, screen flicker.
The amazon worker said, they tested all devices and every device was faulty, now they are waiting for a statment from HTC. I think its very sad especially for the people who waited for the device, HTC shame on you -.-
Click to expand...
Click to collapse
This is very well known issue http://forum.xda-developers.com/showthread.php?t=1617009
Sent from my HTC One X using xda premium
Just a bad batch.
Over here in Ireland, very few if any people have had to return faulty devices.
yeah but not in this dimension, i thought a bunch of devices were faulty but not that much, what do you think hardware or software?
The store were I swapped mine 3 times also said there is no "sense" in swapping for a 4th as they are all flawed.
when they cant fix the issue through an ota, then its gonna be expensive for HTC
picxar said:
when they cant fix the issue through an ota, then its gonna be expensive for HTC
Click to expand...
Click to collapse
They may be able to fix it through an OTA. A lot of early ICS ROMs for the Rezound had screen flickering problems, but they've since been worked out. At least there's hope!
Sent from my ADR6425LVW using XDA
If only the level of attention AntennaGate got becomes as widespread for HTCs woes...then we might all get a free case - oh wait that won't fix the Wifi issues, or the flickering...or the yellow spots...
And the transformer prime had the.same.issue, it took 4 ota to fix it. I think I have seen people say it is possibly tegra related
Sent from my HTC One X using xda premium
picxar said:
Hey guys,
today i spoke to amazon germany about the one X, because i had already 3 faulty devices and all devices had the same issue, screen flicker.
The amazon worker said, they tested all devices and every device was faulty, now they are waiting for a statment from HTC. I think its very sad especially for the people who waited for their device, HTC shame on you -.-
Click to expand...
Click to collapse
While the problem is very real, I highly doubt that Amazon ripped open lots of boxes and started testing the phones. There are seals on the tape on the side of the box and they wouldn't have been able to resell the device after opening it I think they probably re-tested the faulty ones returned and judged by the number of returns that there was a general fault. By the way, it is easy to determine if your phone is a new never used one or not. When you switch the phone on, if it takes ages to start, going black for a while, it is new. If someone had switched it on, even if they didn't do anything, and switched it back off again, it would not take long to turn on the next time, due to fast boot. Since the fast boot setting is always on after a factory reset, I believe it is impossible to get the phone back into a state of "reset + long boot".
Also, having now been on my 6th phone, every single one of them had flicker. They were not all built at the same time or bought from the same store. I found a test case that could make any of them flicker
1) Battery below 50%
2) Brightness set to 40%-50% (varies a bit from phone to phone)
3) Go to the XDA forum web page on the phone. As the page is loading up, focus on the background and will see flickering as the CPU activity increases during rendering
I think there are two types of flicker. One that happens all the time on some phones most visible on grey backgrounds. And another type of flicker that happens at certain brightness/battery/cpu levels.
Another test case is:-
1) Set brightness very low, such as 20%
2) Go to app/play store
3) Choose "My Apps"
4) This may only work with a considerable number of apps..I tried it with 60. Rotate to landscape, watch very carefully the grey background...and then when the white re-appears, watch the brightness change upwards after it settles.
5) Rotate to portrait and watch again at the grey, then the white brightness levels
A friend bought a HOX just recently and it shows as well on these 2 test cases.
I bought my HOX from an italian ebay seller (a month ago: htc23) and device has arrived with an Amazon Spain package.
Never had any issue: no screen flicker, no flex ..no gap
When you have to set it up just to see it flicker that shows it's NOT an issue in my eyes - 'battery less than 50%, turn brightness to this level, etc.'
I have my phone on auto brightness, let the battery run to nothing sometimes and I have NEVER had the screen flicker. I'm saying there might not be a problem but when you get it under very precise circumstances I think you're deliberately looking for a problem...
EddyOS said:
When you have to set it up just to see it flicker that shows it's NOT an issue in my eyes - 'battery less than 50%, turn brightness to this level, etc.'
I have my phone on auto brightness, let the battery run to nothing sometimes and I have NEVER had the screen flicker. I'm saying there might not be a problem but when you get it under very precise circumstances I think you're deliberately looking for a problem...
Click to expand...
Click to collapse
I didn't go looking for the problem. I stumbled across it. I am very analytical, so once I find a problem, I determine the test case that produces it. I didn't return any of my phones for this problem. They all had other issues, such as screens that were not seating properly, one that displayed the left part of the image on the right side and vice versa (really weird that one), one that had a massive blue splodge near the middle of the screen etc etc
jonstatt said:
I didn't go looking for the problem. I stumbled across it. I am very analytical, so once I find a problem, I determine the test case that produces it. I didn't return any of my phones for this problem. They all had other issues, such as screens that were not seating properly, one that displayed the left part of the image on the right side and vice versa (really weird that one), one that had a massive blue splodge near the middle of the screen etc etc
Click to expand...
Click to collapse
That I can accept but this whole flickering issue seems a bit far fetched. I've got VERY good eyesight but cannot see anything wrong with my phone so I either have a perfect one or I'm just not bothered by it
Sent from my HTC One X using xda premium
picxar said:
yeah but not in this dimension, i thought a bunch of devices were faulty but not that much, what do you think hardware or software?
Click to expand...
Click to collapse
Not that much? How many does Amazon DE have in stock? 20? If it's more than that I highly doubt they opened every single unit to determine they're "faulty." The flickering's s/w and any phone is subject to it. Not all do, but all could. Last announcement on May 2 was HTC identified the issue and was working on an update specifically to address it. You're better off waiting until that fix is released.
ciubeca said:
I bought my HOX from an italian ebay seller (a month ago: htc23) and device has arrived with an Amazon Spain package.
Never had any issue: no screen flicker, no flex ..no gap
Click to expand...
Click to collapse
you are so lucky! mine is an ht23 too, but it does have flickering and suffers when pressing the LCD left side. HTC says it's normal for an LCD which is pressed, i've tried to explain them that this happens only on screen borders, that most devices have no flex issues and so on.....they don't want to replace it.
really disappointed.
my first and last htc for sure.
EddyOS said:
That I can accept but this whole flickering issue seems a bit far fetched. I've got VERY good eyesight but cannot see anything wrong with my phone so I either have a perfect one or I'm just not bothered by it
Sent from my HTC One X using xda premium
Click to expand...
Click to collapse
Indeed, but also how often are you staring closely at the screen while a web page is loading. It hasn't really bothered me but if it was flickering the whole time on a grey background, that would certainly annoy me.
Don't think I've ever seen a panel phone, tv or monitor that doesn't flicker under certain circumstances if you really look for it. Unless of course it's happening all the time in which case something is wrong.
My One X? No problems here as far as I can tell and I'm not about to start to try and make them happen either.
Don't forget also - everyone's eyesight is different. Anyone familiar with rainbow effect on DLP projectors? Doesn't affect everyone - it's something to do with the way the brain interprets the signals.......
Sent from my HTC One X using XDA
Federic0 said:
you are so lucky! mine is an ht23 too, but it does have flickering and suffers when pressing the LCD left side. HTC says it's normal for an LCD which is pressed, i've tried to explain them that this happens only on screen borders, that most devices have no flex issues and so on.....they don't want to replace it.
really disappointed.
my first and last htc for sure.
Click to expand...
Click to collapse
Strange, as my last 2 had that issue. Made a youtube about it, send the link to HTC support and they contacted me. They told me that it was not the way an One X panel should react on pressure. Got a refund after the 3rd one, now I'm struggling what to do with my premium navigation license.
EddyOS said:
That I can accept but this whole flickering issue seems a bit far fetched.
Click to expand...
Click to collapse
If its far fetched why have HTC admitted to the problem in one of the many threads raised by users facing this issue?

Has anyone sent their M8 for repair?

Ok, what happened here is my phone went to swim with me crying.
I tried to dry up the phone, but I still can't turn it on. Then, I send my phone via my carrier (Rogers Canada in my case) for repair. Of course, I am pretending to be innocent saying I don't know what happened to my phone, and I just can't turn it on. Then HTC (I suppose it is some outsourced place, but should be licensed under HTC) told me that there are COLLISION on the mother board and somewhere else, which is ridiculous. There is one much more ridiculous thing: the repair is going to cost
$1000
Of course, I am not asking them to repair for me. I just want to share how ridiculous it is, and if you guys can gimme some hints on how I can have it repaired, that will be great.
your phone CANT be repaired. It got wet. end of story.
what you need is a new phone.
I bet he meant corrosion on the main board. Also i personally dont like to read posts where people know they got the phone wet then try to play dumb and pull one over on someone or a company. That shows very little integrity on your part. But i dont want to turn this into a personal attack as the mods dont like it. SO lets hope a mod reads this thread and shuts it down.
If you're lucky the phone might magically just turn on, on any given day. I've seen that happen
Sent from my HTC One_M8 using Tapatalk
IAmSixNine said:
your phone CANT be repaired. It got wet. end of story.
what you need is a new phone.
I bet he meant corrosion on the main board. Also i personally dont like to read posts where people know they got the phone wet then try to play dumb and pull one over on someone or a company. That shows very little integrity on your part. But i dont want to turn this into a personal attack as the mods dont like it. SO lets hope a mod reads this thread and shuts it down.
Click to expand...
Click to collapse
I accept your comment, but what I wanna say is $1000 is ridiculous...
I will agree with you there, 1000 bucks to fix a phone is way overboard. Unless theres some conversion were missing. like 400 USD = 1000 what ever lol
IAmSixNine said:
I will agree with you there, 1000 bucks to fix a phone is way overboard. Unless theres some conversion were missing. like 400 USD = 1000 what ever lol
Click to expand...
Click to collapse
It's 1000 CAD, which equals around 930 USD.
This doesn't even sound right. How can the repair cost more than the actual cost of the device. I'd look for another repair option.
Sleepycloud said:
This doesn't even sound right. How can the repair cost more than the actual cost of the device. I'd look for another repair option.
Click to expand...
Click to collapse
Diagnostics, manual assembly, etc. Very little can be reliably salvaged from a water damaged phone. Assume everything but the case needs replacing. It's what's known as a write-off.
BenPope said:
Diagnostics, manual assembly, etc. Very little can be reliably salvaged from a water damaged phone. Assume everything but the case needs replacing. It's what's known as a write-off.
Click to expand...
Click to collapse
I've washed them full cycle several times. Each time when I found my phone i soaked them in alcohol and agitated them for about 20 minutes fully submerged. Then I use a toaster oven and dried them out with gentle heat and by sucking air into the phone about 20 times. All of them worked again. Even an iPhone once. Yes, I said full cycle. I found my phone in the when I was loading the dryer. Have I been lucky? I dunno. Many find this hard to believe, but it's true. I put a charging port in my girlfriends note 2. It came from a water damaged Note 2. It was sitting in parts for 2 months. I figured it was dry because it was sitting in open air. Well I put it in and it worked. A week later she lost data and voice. Long story short, that chargign port wrecked everything in the Note 2. When they opened it up, it has white fungus looking corrosion working halfway up the phone in three spots. It absolutely ruined the Note 2 and an insurance claim had to be made. It can go ether way, saved or junked. Just depends on the conditions.
Sleepycloud said:
I've washed them full cycle several times
Click to expand...
Click to collapse
Wow, I guess you don't learn fast.
Water damaged vs got wet.
If you're quick enough and use the correct method and lucky, you may get the thing working again, but I'd hardly say reliably. HTC or any repair centre are hardly going to want to provide a 3 month warranty on a repair of a phone that's got wet without replacing everything that can be damaged by water.
The sum of the parts is greater then the price of the item.
Thats why we have chop shops. Some cars are worth more when parted out and the pieces are sold individually.
So if each component was being sold to him at retail pricing, add labor and whola, higher price.

Screen Issues: Right side of screen lags

After using my Pixel daily for 6 months (got the first batch, pre December 25th) and having next to no issues with it (wifi strength sucks, even with Xceed kernel, but it's better than it was), half of my screen decided it wanted to go goofy. I was using it two days ago and everything was working fine, I used it yesterday morning for a few minutes and then plugged it into the Google charger that came with it and let it sit on my couch for a few hours while it was charging. I got on the bus, and pressed the power button to wake the screen and nothing happened. Thinking I had it turned off I held the power button for a few second, and still nothing. So I held it for 30 seconds and when it brought up the bootloader warning the right side of the screen was glitching, same thing happened on the Google logo, boot animation, and continued into Android. I powered it off, hoping it would go away but it didn't. The slight glitch then turned into static "snow" which will then change sporadically based on what I'm doing on the tablet. That area of the screen still works perfectly because touch input works, and when I take a screenshot and view that area of the screen it shows up just as it should. It seems like there is an overlay on the right side of the screen that won't go away. Since it happens from the moment you turn it on makes me think it's a hardware issue but the fact that the screen itself still works perfectly makes me think it's a software issue. I haven't flashed the stock ROM back on it yet or locked it backup yet since I don't have a type c to type a adapter with me, it's still under warranty but I wanted to see if you guys could help me fix it before I sent it back.
TL; DR
This just started happening to me today, exactly as you described.
Interesting. I just RMA'd mine, should be receiving it within the next few days.
I'm returning mine too. I've determined that it's hardware because when I applied pressure around the edges of the screen I felt something slightly pop into place and then the problem was temporarily corrected. If I apply slight pressure to parts of the screen it happens again.
At this point I've flashed back to stock and I'm in an eternal recovery bootloop that I can't fix because acquiring USB drivers that work is incomprehensively difficult.
Just had mine go as well :crying:
Oh wow, that sucks. At least I'm not the only one though. I just got my new one a few days ago and all is well so far, hopefully this one won't screw up. RMA process was very smooth.
As for the USB drivers I usually have to install them manually by using the "select driver from a list"
Sent from my Pixel C using Tapatalk
Same issue on my first one
Here's my post from the mapping problems to serial # thread.
Google RMA process was fine once I was finally able to get a chat window with them.
Be sure to post to the problem mapping thread to help others!!
Add me to the list. Just went through the RMA process and am now waiting for the replacement to come. I can deal with the wifi issue and the random reboots, but having half of your screen corrupted is unacceptable. I don't even know how this is possible unless some genius at the pixel C team decided that it's cheaper to source half a screen and glue them together.
It's kinda crazy that I couldn't find this happen anywhere then all of the sudden it's happening to you guys! I'm extremely confused how it happened and what actually went wrong with it.
brando56894 said:
It's kinda crazy that I couldn't find this happen anywhere then all of the sudden it's happening to you guys! I'm extremely confused how it happened and what actually went wrong with it.
Click to expand...
Click to collapse
Most likely some latently defective silicon from Nvidia.
Sent from my Pixel C using Tapatalk
pkelly517 said:
Most likely some latently defective silicon from Nvidia.
Click to expand...
Click to collapse
I don't believe so, I think it has more to do with the screen, since it would occasionally correct itself, and even when half the screen was screwed up, screenshots would come out perfectly. It's almost like there's something stuck over the right half of the screen.
brando56894 said:
I don't believe so, I think it has more to do with the screen, since it would occasionally correct itself, and even when half the screen was screwed up, screenshots would come out perfectly. It's almost like there's something stuck over the right half of the screen.
Click to expand...
Click to collapse
Of course screenshots would come out perfectly. It's just a memory dump of the video RAM. This is a problem with getting that memory to the display. I think the display driver is part of the SoC. I could be wrong. Maybe it's a cable.
But it seems like a bit in the display driver is never getting enabled.
Sent from my Nexus 5X using Tapatalk
I'm fairly certain that it's a physical issue with the screen or the connection to the screen. When I had this issue I saw a visible change when I applied some light pressure around the edges of the screen. At one point it almost felt like something popped into place and the problem went away (then resumed.) Also, if I applied some pressure on the lagging side of the screen I would see some odd behavior as if the connection was fluctuating. I didn't squeeze hard, but it didn't take much.
I have had TWO Pixel Cs do this now. The first got the dreaded half screen of death after 5 months back in May, and the replacement that Google sent me has just started doing it today after just 3 months. The second device was from a much later batch than the first.
My experience so far makes me think that all Pixel Cs might have this hardware defect - it's just a matter of time before it happens. That's kinda gutting if it's true as for me this is the best tablet out there, and I can't see anything else coming close to replacing it.
About to contact Google for RMA again I guess. Third time lucky maybe...?
Wow really? That's no good!
Pixel C Screen Issues
Add me to the list, as of this morning. 8 months old.
SpaceGooner said:
I have had TWO Pixel Cs do this now. The first got the dreaded half screen of death after 5 months back in May, and the replacement that Google sent me has just started doing it today after just 3 months. The second device was from a much later batch than the first.
My experience so far makes me think that all Pixel Cs might have this hardware defect - it's just a matter of time before it happens. That's kinda gutting if it's true as for me this is the best tablet out there, and I can't see anything else coming close to replacing it.
About to contact Google for RMA again I guess. Third time lucky maybe...?
Click to expand...
Click to collapse
what's the serial# of your replacement?
lude219 said:
what's the serial# of your replacement?
Click to expand...
Click to collapse
My second Pixel C's s/n is 61250***** This one has developed the screen problem on the right of the screen
The earlier one I had was 5A230***** This one had the problem on the left side of the screen
I assumed the second one was from a later production batch than the first, but must admit I don't really know that.
SpaceGooner said:
My second Pixel C's s/n is 61250***** This one has developed the screen problem on the right of the screen
The earlier one I had was 5A230***** This one had the problem on the left side of the screen
I assumed the second one was from a later production batch than the first, but must admit I don't really know that.
Click to expand...
Click to collapse
According to this http://forum.xda-developers.com/pixel-c/general/mapping-problems-to-serial-t3274660 there still seem to be some issue with the #61250 batch so I'd try for a 3rd time to see if you get a 6202000 one (what i have now). It's stupidly frustrating but the Pixel C is too good to give up now.
lude219 said:
According to this http://forum.xda-developers.com/pixel-c/general/mapping-problems-to-serial-t3274660 there still seem to be some issue with the #61250 batch so I'd try for a 3rd time to see if you get a 6202000 one (what i have now). It's stupidly frustrating but the Pixel C is too good to give up now.
Click to expand...
Click to collapse
Thanks for the info. Not sure I'll be able to determine what s/n Google sends me next time, but here's hoping I get a good one and that I've just been unlucky so far. I won't be able to RMA until I get home from vacation later in the week anyway. If they send me another Pixel C that develops the half screen problem down the line, I will surely have to get a refund and maybe go for a top end Chromebook (with Google Play of course) next time.

Screen of huawei dark even at 100% brightness

Hi, I’m having a problem with my Huawei Mate 20 that I bought in 2019. The screen brightness is too low even when set to 100%. This started happening two days ago after I spent the day outside in the sun (i don't know if hot temperatures influenced but has already been 2 days so is strange). When I got home, I charged my phone and opened some apps, but it started crashing and the screen went black. I tried force rebooting it multiple times but the screen remained black. I thought it might be a battery issue so I charged it for an hour and a half but still nothing. After 40 minutes, I accidentally pointed a lamp at my phone and could see that it was working perfectly but the brightness was very low. A similar thing happened to me in 2020 but I can’t remember how I fixed it. I tried searching for solutions online and on XDA developers but none of them worked for me except one that involved ADB which I can’t try because for some reason I can’t connect my phone to my PC with USB debugging. My warranty has expired like 2 years ago so lol... and I haven’t received a response from Huawei support yet (i emailed them yesterday)
Welcome to XDA.
It was heat damaged. Anything above 125F can do it. Exposure to direct sunlight on a hot day is especially bad.
I did this accidentally to my Samsung S4+ years ago. Very faded out and got worse the more I used it.
Oddly after sitting unused it got slightly better. After I got a new phone it sat for months unused, it improve further still. After 3 years it appears to operate normally now. The crystals seem to have reverted back. Peculiar critters.
Yours may or may not do the same. There may be a way to accelerate the process. Mine sat in both hot and cold environments during that time.
Putting a charge on the crystals by using the phone is probably what hindered their recovery.
Either replace the display or let it rest. Using it will likely make it worse...
blackhawk said:
Welcome to XDA.
It was heat damaged. Anything above 125F can do it. Exposure to direct sunlight on a hot day is especially bad.
I did this accidentally to my Samsung S4+ years ago. Very faded out and got worse the more I used it.
Oddly after sitting unused it got slightly better. After I got a new phone it sat for months unused, it improve further still. After 3 years it appears to operate normally now. The crystals seem to have reverted back. Peculiar critters.
Yours may or may not do the same. There may be a way to accelerate the process. Mine sat in both hot and cold environments during that time.
Putting a charge on the crystals by using the phone is probably what hindered their recovery.
Either replace the display or let it rest. Using it will likely make it worse...
Click to expand...
Click to collapse
Hi black, thank you for the warm welcome and for responding to me. In fact, now that I think about it, the last time this happened to me, I had exposed it to a lot of sunlight. Would it be a good idea to place it in a cooler or shadier location to speed up its recovery? And approximately how long should I let it rest? About a week?
Luke221 said:
Hi black, thank you for the warm welcome and for responding to me. In fact, now that I think about it, the last time this happened to me, I had exposed it to a lot of sunlight. Would it be a good idea to place it in a cooler or shadier location to speed up its recovery? And approximately how long should I let it rest? About a week?
Click to expand...
Click to collapse
Cooling it might hinder it's recovery. Not really sure. I was surprised when mine eventually recovered. Not saying this will be your outcome.
Also it may take way longer then is practical
If you need to pull data leave it sit for as long as you can wait.
It's back lighting is working, right?
blackhawk said:
Cooling it might hinder it's recovery. Not really sure. I was surprised when mine eventually recovered. Not saying this will be your outcome.
Also it may take way longer then is practical
If you need to pull data leave it sit for as long as you can wait.
It's back lighting is working, right?
Click to expand...
Click to collapse
Lol, it looks like i just ****ed up my phone. Before I started this thread on the forum, for pure curiosity, I tried to activate the torch but it didn’t work despite multiple attempts. I hope it’s not a hardware issue ()
Luke221 said:
Lol, it looks like i just ****ed up my phone. Before I started this thread on the forum, for pure curiosity, I tried to activate the torch but it didn’t work despite multiple attempts. I hope it’s not a hardware issue ()
Click to expand...
Click to collapse
It can easily happen; protect from drops, water... and heat.
The battery may have failed if the phone died completely.

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