Develop Bugs

[Q] computer not recognizing evo as a disk drive

Hey everyone first time poster here. I have been researching the question I have in the forums and have not found an answer to my question yet so I figured I would just ask it. I just recently bought my htc evo and tried transferring a SNES rom over to my evo from my PC. At first my computer would not recognize that I was trying to have my evo seen as a disk drive (yes I did have it set to disk drive and not to charge only or another option). eventually it worked (I dont even know what I did, if I did anything at all). After I put this ROM onto my phone my sd card is mounted as read only (cant get it back to write), and no matter what I do I cant get my computer to read my phone as a disk drive. I tried changing the disk drive to another letter which didnt work, under device manager my computer recognizes I have an android phone plugged into my computer, but it still will not show anything in the "my computer" folder, it sees I have a device in, but I click on it and it says "please insert a disk into removable disk F". If anyone can help with this I would greatly appreciate it and thank you for taking the time to read all of this.

Well the first thing to make sure of is that after plugging in the device you go to the notification bar and press on the USB Mass Storage notification, then select "Turn on USB storage". If you've done that simple step and it still doesn't see the SD card, then very simply try a different USB port on your computer.
Even if your card is in read only mode, you should still be able to read it
I don't know why it would be in read only unless you forgot to mount it with read/write after an advanced command.

interesting, I have never seen the option of "turn on mass USB storage" when I've gone to the notification bar? In my notification bar I have a picture of the sd card with a question mark over it. When I drop down the notification bar the notification pertaining to the sd card says "mounted readonly" and the explaination says "The SD card has an unexpected problem. Tapping...." I have no idea what it says after that as it wont allow me to view the rest of the explanation.
As for the problem that this is causing is that it seems I cannot save anything to the sd card. The camera stops working to where I cant take pictures, or download music, and I'm assuming that its because these functions need somewhere to save the files and since the card is on read only nothing will be allowed to save on it?

mikip23 said:
interesting, I have never seen the option of "turn on mass USB storage" when I've gone to the notification bar? In my notification bar I have a picture of the sd card with a question mark over it. When I drop down the notification bar the notification pertaining to the sd card says "mounted readonly" and the explaination says "The SD card has an unexpected problem. Tapping...." I have no idea what it says after that as it wont allow me to view the rest of the explanation.
As for the problem that this is causing is that it seems I cannot save anything to the sd card. The camera stops working to where I cant take pictures, or download music, and I'm assuming that its because these functions need somewhere to save the files and since the card is on read only nothing will be allowed to save on it?
Click to expand...
Click to collapse
theres probably an error on the sd card, may need to reformat if its from a different phone too. Try to reformat, probably the only thing possible right now. But before you do that, go to your settings and enable usb debugging and see if that works first to allow your sd card to mount to the pc. Then it should be read as a drive. if not, your gonna have to reformat. so try this, if not, I can try to trouble shoot you more......

thanks for your reply. And yes I shouldve said before that I tried the USB debugging feature as well and that didn't do the job either. I saw reformatting as a suggestion in another thread but didnt see information on how to do it and that is out of my realm of knowledge. If you could explain to me how to do it I would greatly appreciate it.

mikip23 said:
thanks for your reply. And yes I shouldve said before that I tried the USB debugging feature as well and that didn't do the job either. I saw reformatting as a suggestion in another thread but didnt see information on how to do it and that is out of my realm of knowledge. If you could explain to me how to do it I would greatly appreciate it.
Click to expand...
Click to collapse
yea, no problem man, just go to settings>sdcard/sd>unmount the volume>reformat!
let me know if that works for you if not, something else is wrong.

well I go into settings> SD phone & storage> Unmount SD card, is something supposed to happen or am I supposed to do something else? After I tap that nothing happens and the "format SD card" option isnt highlighted meaning its not even an option to choose.

Hmmm. Unmount then remount then umonint again turn the phone off and on see if the uloption highligjts
Sent from my PC36100 using XDA App

oh wow that worked man!! Thank you so much for your help, you just saved me a bunch of frustration, now it shows up as a disk drive on my computer and the sd card is read/write compatible. Can't thank you enough man, do you happen to know of a reason as to why this would happen? I mustve set it to be like that somehow I just can't imagine how I did that. Also is there an app or way to back up all your files and apps on your phone and sd card and transfer them to your computer just in case something like this happens again at least I'll have backups so I wont loose everything.

Glad i could hel you. Ita no problem that you cant thank me enough, just as long as we solvee tue prob. You Could have dropped your phone and it knocked the SD card around or it just didn't read it correctly on boot. As far as I know, I don't know of any apps to backup SD card contents and phone data. I would just make a nandroid backup and store on PC. So if you make any vital errors, u can restore using your recovery agent.
Sent from my PC36100 using XDA App

[Q] SD card not being read

SD card won't be read when phone is on. When device is in recovery, I can USB toggle and see everything on my SD card. It's only when I try connecting through USB when on (CM6.1 or Myn TwoPointTwo) is when nothing happens (Myn) or the phone freezes and reboots (CM6.1).
I had my phone plugged in through USB while on CM6.1 RC2 and dropping in the new CM6.1 file into my phone when I forgot to eject and went straight into recovery. Now I can't install anything or mount my SD card. I can use ASTRO or a file manager app to view everything though.
As for nandroid, I deleted all my pre-USB **** up backups and only have the USB **** up RC2 backup. So that won't help. I'm guessing the device is still thinking it's plugged in because of my mistake. Any way to fix this?

I have noticed this as well lately under both Sense and AOSP roms. I can't mount my SDCARD from USB while the rom is running - only in recovery.
Odd. Wonder what is causing this?

I was talking to Shift and we came to the conclusion that my SD card is probably corrupt after shutting down while still mounted to my computer. I just extracted the folders that are important to me (pictures, Titanium Backup, etc) and will transfer them over to a new SD card once I buy one.
If anyone knows any way this might be fixed, I would appreciate it

Did you already try reformatting the card?
Sent From My "EVO"

i had the same issue with my 16gb card.
I couldnt get it to read in the computer either unless I put it in the full sized SD adapter and put the "lock" switch on.
Needless to say, i couldnt do anything with it and ended up sending it back for a replacement.

jeriel05 said:
Did you already try reformatting the card?
Sent From My "EVO"
Click to expand...
Click to collapse
I was hoping to exhaust all options before coming across this, but as I have nothing else to try I'm going to just format it. Hopefully I can format through recovery or something because it doesn't even let me unmount my SD card from Settings options.

dadoc04 said:
i had the same issue with my 16gb card.
I couldnt get it to read in the computer either unless I put it in the full sized SD adapter and put the "lock" switch on.
Needless to say, i couldnt do anything with it and ended up sending it back for a replacement.
Click to expand...
Click to collapse
Yeah, I figure I'll try my last option of formatting and see if it works. Here's to hoping! Lol.

FIXED
Issue has been corrected by formatting SD card. Thanks for the replies :]

[Q] SD Card inaccessible

So periodically my phone loses the ability to access the SD Card.
Can't play media... Ringtone's revert to default... Apps that use it like pandora stop working...
Only way I know to fix it is to reboot. (Or you can plug into a computer if you're near one, mount the SD card and unmount it)
WTF...
I've tried formatting the SD Card. It's the stock card that came with the Epic.
Any ideas?
ACS 1.1.0 - Journaling disabled.

orb360 said:
So periodically my phone loses the ability to access the SD Card.
Can't play media... Ringtone's revert to default... Apps that use it like pandora stop working...
Only way I know to fix it is to reboot. (Or you can plug into a computer if you're near one, mount the SD card and unmount it)
WTF...
I've tried formatting the SD Card. It's the stock card that came with the Epic.
Any ideas?
ACS 1.1.0 - Journaling disabled.
Click to expand...
Click to collapse
Mabe the contacts are dirty or dirt got into the phone. Try an air sprayer on the phone and use something slightly abrasive on the sd card contacts.

Indeed, that does sound like bad/loose contacts.

I just got my Epic today and I haven't rooted it yet. I've installed the drivers on my PC and I'm able to browse the root directory, but I don't see a way to get to the SD card. Do I have to root to do this? I don't think I had to on my EVO (but it is rooted). I just want to be able to put ringtones, wallpapers and then some files so that I can root it later.
Any help appreciated.

Trident said:
I just got my Epic today and I haven't rooted it yet. I've installed the drivers on my PC and I'm able to browse the root directory, but I don't see a way to get to the SD card. Do I have to root to do this? I don't think I had to on my EVO (but it is rooted). I just want to be able to put ringtones, wallpapers and then some files so that I can root it later.
Any help appreciated.
Click to expand...
Click to collapse
Nope...just install Samsung drivers on your computer and it will appear as another storage drive.
Do you BONSAI?

kennyglass123 said:
Nope...just install Samsung drivers on your computer and it will appear as another storage drive.
Do you BONSAI?
Click to expand...
Click to collapse
Ah. Thanks. I figured it out after I typed it.
I used to BONSAI on the WM6.5 Diamond, but never used it on Android. Didn't know it was available.[Looks like you might be talking about a game... I misunderstood. There used to be a total backup app/scripts for WM that would allow you to reset all your apps/data on your phone after a flash and it was called BONSAI.]
Now I'm just trying to figure out how to get my PC to recognize that I'm connected w/USB debugging enabled. I run run.bat and keep getting told that I'm not connected. Silly PC.

[Q] How do I fix the SD card so that it can be read by Windows again?

Hey gang,
In messing with my mother-in-law's new Sprint HTC EVO 4G, I think I screwed up the SD card; when I try to wipe the Davlik cache, it errors that there is no sd-ext mounted, and windows (several machines) will not read the contents of the sd card. One laptop will bring it up as a removable drive, but when clicked it says "insert media" - on the file browser on the phone I can see all the contents just fine, but now can't copy anything to the card via the USB cable.... when i plug it in, the phone asks if i want to use the SD card or charge, I choose charge, it goes back to home screen and at the bottom you can see it "preparing SD card" again.
What did I do, and how do I fix?! Please and thank you!

Midnight1970 said:
Hey gang,
In messing with my mother-in-law's new Sprint HTC EVO 4G, I think I screwed up the SD card; when I try to wipe the Davlik cache, it errors that there is no sd-ext mounted, and windows (several machines) will not read the contents of the sd card. One laptop will bring it up as a removable drive, but when clicked it says "insert media" - on the file browser on the phone I can see all the contents just fine, but now can't copy anything to the card via the USB cable.... when i plug it in, the phone asks if i want to use the SD card or charge, I choose charge, it goes back to home screen and at the bottom you can see it "preparing SD card" again.
What did I do, and how do I fix?! Please and thank you!
Click to expand...
Click to collapse
Are you using the same cable every time you've tried it? Perhaps the cable is bad? So you're able to access the contents of the card fine from using a file browser on the phone? If that's the case, most likely your card is fine, and the problem lies within the USB cable. I would try another USB cord if you have access to one. (the evo's stock USB cable sucks, and are known to fail from time to time)
Do you have a card reader? If so, does the computer read the card fine when it's inserted directly into the card reader?

Midnight1970 said:
Hey gang,
In messing with my mother-in-law's new Sprint HTC EVO 4G, I think I screwed up the SD card; when I try to wipe the Davlik cache, it errors that there is no sd-ext mounted, and windows (several machines) will not read the contents of the sd card. One laptop will bring it up as a removable drive, but when clicked it says "insert media" - on the file browser on the phone I can see all the contents just fine, but now can't copy anything to the card via the USB cable.... when i plug it in, the phone asks if i want to use the SD card or charge, I choose charge, it goes back to home screen and at the bottom you can see it "preparing SD card" again.
What did I do, and how do I fix?! Please and thank you!
Click to expand...
Click to collapse
1. The Sd-EXT message is fine; it skips that partition because you don't have it set up, so no harm done there.
2. If you have a card reader, I'd mount it to the pc, copy the contents to the pc, format the sd card [make sure its fat 32], then copy the contents back.

I'll try another cable, however, I should say that I was able to use the same cable and my HTC Inspire to read just fine; having said that, there is a crack at the base of the cable that plugs in to the phone, so I'll certainly be willing to try another cable; I even unmounted the card in both devices, took the card out of her EVO and put it in my Inspire, and it was read just fine..... that further complicated my dilemma.

Midnight1970 said:
I'll try another cable, however, I should say that I was able to use the same cable and my HTC Inspire to read just fine; having said that, there is a crack at the base of the cable that plugs in to the phone, so I'll certainly be willing to try another cable; I even unmounted the card in both devices, took the card out of her EVO and put it in my Inspire, and it was read just fine..... that further complicated my dilemma.
Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?t=695243
You can always try that route.

You'll never believe this...........
I still had the .zip for mywarn's ROM that I tried first (that was draining the battery like CRAZY), it's booted up and windows sees it fine now..... ??!?!??! - I had the Kings Alliance ROM installed while it failed. Working now though - I tried replacing the kernel as suggested in another thread (that's currently on page 2 but only for a few Im sure lol) and the drain still seemed significant. Losing roughly one percent a minute.... thanks for the replies guys, I'll keep ya posted... think I'm gonna try gingerbread-evo-deck 1.2 now.... we'll see what happens.

If you have that bad of battery drain, you can try downgrading to PRI 1.77. The latest PRI has also been very good to me.

I just installed gingerbread-evo-deck 1.2 and it has no market! How do I obtain a market icon if it's not in the ROM?

Midnight1970 said:
I just installed gingerbread-evo-deck 1.2 and it has no market! How do I obtain a market icon if it's not in the ROM?
Click to expand...
Click to collapse
You need to flash the Google apps (gapps) it's linked on decks OP. The 5/21 gapps work good.
Sent from my PC36100 using XDA App

I went with MikFroYo v4.62 ... using netarchy-toastmod-4.3.4-cfs-havs-more-sbc kernel. Seems like its still draining pretty fast... ugggggggh.

teh roxxorz said:
If you have that bad of battery drain, you can try downgrading to PRI 1.77. The latest PRI has also been very good to me.
Click to expand...
Click to collapse
You know, I never believed in this, but last night I did flash back to 1.77 and my phone's only been off the charger now for 30 minutes, but for the first time since I started using Mik's GB/Sense ROM and can't use SBC, I'm still sitting at 100% instead of the typical 5% drop right off the charger.

[Q] Computer wont read HTC evo or give usb option on phone

Up until last week my phone would read fine on the computer, my evo has been flashed to metro fully working for sometime up until i just recently changed my number now my web or picture messages will not work. I cant get computer to recognize the phone. I have done a full restore on phone etc and tried to go into DM command mode yet nothing!! The same usb cord i use now was the one i used to program the phone anyone with same problem that found solutions?

Take out your sdcard and put it into a computer. Run check disk on it or format it and see if it fixes it. I had problems with corrupt data on mine and formatted it to fix it.
Support TrevE !!

{ParanoiA} said:
Take out your sdcard and put it into a computer. Run check disk on it or format it and see if it fixes it. I had problems with corrupt data on mine and formatted it to fix it.
Support TrevE !!
Click to expand...
Click to collapse
ima try that out or can I just format the card in the phone right?

mrguru2011 said:
ima try that out or can I just format the card in the phone right?
Click to expand...
Click to collapse
Yeah you can format it through recovery, just make sure you have backed up your SD card contents.
Sent from my PC36100 using xda premium

I have had both a bad SD card and a bad data cable.
I went to using a known good data cable and a known good SD card.
Haven't had to look back.