Develop Bugs

pc doesn't detect usb connection/sync

Hi,
I bought an used Dash and when I try to sync it through ActiveSync nothing happens. I tried to intiate the sync from the Dash and nothing happens either.
Basically, nothing happens when I connect it to the USB port in the PC. It doesn't try to sync, the PC doesn't see a new unit or anything else that happens when you connect something to the USB. I used to have another Dash sync'd to the same computer and everything was fine.
Is it possible that the usb port in this Dash is broken? is there any way to verify it? I've tried with two different cables that I know they work and plugging it in different USB ports in the PC.
Thanks.
= J =
PD: the Dash does charge through the usb cable. And after charging for a bit, I can see that the battery is full, led is green.

profitoral said:
Hi,
I bought an used Dash and when I try to sync it through ActiveSync nothing happens. I tried to intiate the sync from the Dash and nothing happens either.
Basically, nothing happens when I connect it to the USB port in the PC. It doesn't try to sync, the PC doesn't see a new unit or anything else that happens when you connect something to the USB. I used to have another Dash sync'd to the same computer and everything was fine.
Is it possible that the usb port in this Dash is broken? is there any way to verify it? I've tried with two different cables that I know they work and plugging it in different USB ports in the PC.
Thanks.
= J =
PD: the Dash does charge through the usb cable. And after charging for a bit, I can see that the battery is full, led is green.
Click to expand...
Click to collapse
Check this:
on the dash
Start menu
Settings
Connections
More
USB to PC
remove the check-box in the advanced connection setting
save and try again

also... are you running a firewall? if so, that's quite likely a problem as well. i run comodo and it blocks the connection. i haven't figured out the proper setting yet to allow the phone through so i just shut comodo off when i'm needing to access the phone from my computer.

When you plug your usb cable into your phone, does the light on the top turn either amber or green? If so, usb connection is working. If it is still not syncing, open Activesync on your PC got to tools-connectionsettings and make sure Allow usb connections is checked.

[Q] PC won't even acknowledge that a device is connected via USB when M8 is connected

I've had my One M8 for about 6 months and had no issues, until now. The phone is unrooted, and has never been altered in such a way.
About a week ago I noticed that when I connected my phone to the USB charger plug socket that it said "Slow Charging" in the status bar, however other than that everything seemed to be fine.
However, today I've connected the USB cable to my PC in order to copy some data, however the phone simply states that it's "slow charging" and does not recognise that it is connected to a PC. The PC does not show anything in device manager (not even an unknown device), and I have tried using multiple different drivers, USB cables, and even a completely different PC (a windows 7 one vs my windows 8.1 pc).
Whatever I've tried I cannot get the PC to even acknowledge that a device has been connected, even after twice factory resetting the phone.
Any ideas how I can get a PC to even recognise that there is something connected?
Thanks

mynameisjonny said:
I've had my One M8 for about 6 months and had no issues, until now. The phone is unrooted, and has never been altered in such a way.
About a week ago I noticed that when I connected my phone to the USB charger plug socket that it said "Slow Charging" in the status bar, however other than that everything seemed to be fine.
However, today I've connected the USB cable to my PC in order to copy some data, however the phone simply states that it's "slow charging" and does not recognise that it is connected to a PC. The PC does not show anything in device manager (not even an unknown device), and I have tried using multiple different drivers, USB cables, and even a completely different PC (a windows 7 one vs my windows 8.1 pc).
Whatever I've tried I cannot get the PC to even acknowledge that a device has been connected, even after twice factory resetting the phone.
Any ideas how I can get a PC to even recognise that there is something connected?
Thanks
Click to expand...
Click to collapse
Install HTC Sync. Run it to get the drivers, then uninstall HTC Sync.

Also try to give an update
when/if you fix it and what you did so those that view your thread can learn

HTC M9 Connecting to Computer Problem

Hey Guys,
First of all, I am a new member here my name is Salem and its an amazing forum.
Anyway, I have a slight problem with my HTC M9 while connecting it into my laptop. First, when I connect it, the mobile starts charging, and it gives me no option as to change it to Media Transfer or anything... even it gives me "Slow Charging" Error, and my laptop is detecting nothing, as if nothing happened, nor its searching for any drivers...
I went to developer menu and used USB Debugging, and selected USB configuration as MTP, and it didn't work...
I installed HTC Sync to get the drivers, and it is the same.
Can you guys help me? because I wanna root the phone and I tried various Auto Root applications without using the PC and they didn't work. Thank you guys

No signal from the laptop probably means you have a faulty USB cable. Most likely a break in one of the data wires.
Try another good quality usb 2.0 cable.
Beamed in by telepathy.

Same issue. Tried multiple cables
I have the same issue. When I try to plug into any PC a slow charging message pops up but the phone won't give me the option to connect to PC. I have turned on USB Debugging and selected MTP (Media Transfer Protocol). Please help!
I am with TPG. Android 6.0 HTS 7.0 Software number 3.35.617.12
I only bought this phone a week ago and it updated when I turned it on.

jaystarrs said:
I have the same issue. When I try to plug into any PC a slow charging message pops up but the phone won't give me the option to connect to PC. I have turned on USB Debugging and selected MTP (Media Transfer Protocol). Please help!
I am with TPG. Android 6.0 HTS 7.0 Software number 3.35.617.12
I only bought this phone a week ago and it updated when I turned it on.
Click to expand...
Click to collapse
Most likely a crap or broken cable. Other cables, other sockets, other pc's are all worth a try.
You should leave the usb port in "charging only". When you successfully connect to a pc the phone will prompt you to allow data transfers to that computer.
I know this because mine does it. I'm sick to death of the effing thing promting me to connect to my xbox one when all i want to do is charge the effing thing... My phone is set to charging only.
I suppose rom choice will affect it too. Mine is rooted stock 6.0.
Beamed in by telepathy.

Still have same problem
I still can't connect my M9 to my PC. Still have slow charge message come up and no option to connect to PC. My work around has been transferring files using WiFi. However, now I need to do a presentation using scrcpy and will probably have to get a new phone. I'm tmepted not to buy HTC again. Pretty frustrating and no fix found on the internet...

USB Connection problem

Hello!
I really hope someone can help me out on this.
I have just bought a Lenovo P2a42 and everything works fine, except that I cannot connect it to my computer via USB cable.
I tried different known working cables on different known working machines (win 7 & 10) with no success.
It looks like the phone stuck at "charge only" USB mode, the PC does not even react when phone is connected, only on the phone I can see it is charging.
So it is not a driver issue, as it looks like the PC does not even know about a phone is connected.
I tried to change USB Connection mode under Developer options, and nothing happened. However, it was strange, that if I change the USB mode from "Charge only" to MTP, after selection made, the text label under this option in the Developer options remained "charge only", and only if I go back and forth one level (to settings menu and then back to developers menu) it shows the MTP setting I have set earlier.
It is weird, but for me it looks like as the phone stuck at charge only mode, and I cannot switch between USB connection modes.
There is no notification at all about USB if I connect the cable.
I have made a factory reset on the phone, and nothing changed.
My P2 is running android 7.0.
Do you guys have any idea? I'm really desperate on this.
Thanks in advance for any tip!
Moire76

I seem to have this problem also because of the above i am unable to get adb working properly although drivers are setup.
I fixed it now by using the PDAnet program which found and installed some android drivers after which the phone is recognised properly as Lenovo p2 and is picked up in adb as attached device.

moire76 said:
Hello!
I really hope someone can help me out on this.
I have just bought a Lenovo P2a42 and everything works fine, except that I cannot connect it to my computer via USB cable.
I tried different known working cables on different known working machines (win 7 & 10) with no success.
It looks like the phone stuck at "charge only" USB mode, the PC does not even react when phone is connected, only on the phone I can see it is charging.
So it is not a driver issue, as it looks like the PC does not even know about a phone is connected.
I tried to change USB Connection mode under Developer options, and nothing happened. However, it was strange, that if I change the USB mode from "Charge only" to MTP, after selection made, the text label under this option in the Developer options remained "charge only", and only if I go back and forth one level (to settings menu and then back to developers menu) it shows the MTP setting I have set earlier.
It is weird, but for me it looks like as the phone stuck at charge only mode, and I cannot switch between USB connection modes.
There is no notification at all about USB if I connect the cable.
I have made a factory reset on the phone, and nothing changed.
My P2 is running android 7.0.
Do you guys have any idea? I'm really desperate on this.
Thanks in advance for any tip!
Moire76
Click to expand...
Click to collapse
I think it's because you must install to your PC mtp drivers.

Thanks for your answer, but unfortunately, no. As I mentioned, there is no communication between phone and PC.
With a missing driver, you can see your unknown USB device in device manager.
BTW, since then I have returned the phone to seller, and they confirmed, that the USB port of the phone is faulty (data pin connection to phone motherboard is faulty)
They are now working on the repair and will be done by tomorrow.
chtsarts said:
I think it's because you must install to your PC mtp drivers.
Click to expand...
Click to collapse

Finally I contacted seller and send it back for repair.
They confirmed that one leg of the USB motherboard connector was detached from the board.
They replaced the connector, and now it's just working as it should.
Have a nice day!
Moire76

S20 Plus connection stability with USB 3.0 specifically

Ok this is driving me nuts so I gotta ask...I have a S20 Plus 5G (Verizon) and have a brand new custom-built computer with a ridiculous amount of USB 3.0, 3.1 ports. I have to tether my phone to my PC for internet so I use the USB-C to USB-C cable that came with the phone to connect to the single USB-C port on the computer. I also use said connection for Samsung DEX (not simultaneously, would if I could lol).
With this specific setup, I don't have any issues at all, but I know for a fact that it's not a 3.0 connection because of the cable (the "Device can perform faster when connected to USB 3.0" message confirms as much). The cable is obviously the limiting factor holding it back from 3.0 so I tried replacing it in the setup with various (both USB-C to USB-C and USB-C to USB-A) 3.0 cables and sure enough, I get the correct "connected through USB 3.0" message under my device's name in the devices menu.
However, no matter which 3.0 cable I try or which 3.0+ port I plug it into, I always run into the issue of the device randomly disconnecting/reconnecting every so often. I get the whole disconnected/reconnected sound deal and the "select what happens with this device" Autoplay message. I've tried turning off Autoplay, turning off the USB notification message option, going into device manager/registry and ensuring that every single thing related to the USB ports has the power conservation option turned of, etc.
One major thing is that when I created a USB 3.0 "certified" connection with my mom's slightly older custom-build computer, it seemingly had no problems holding the connection, so it appears as though it's something on my computer specifically that's causing it. I just frankly have no idea what that thing could be at this point. Any ideas?

lolDayus said:
Ok this is driving me nuts so I gotta ask...I have a S20 Plus 5G (Verizon) and have a brand new custom-built computer with a ridiculous amount of USB 3.0, 3.1 ports. I have to tether my phone to my PC for internet so I use the USB-C to USB-C cable that came with the phone to connect to the single USB-C port on the computer. I also use said connection for Samsung DEX (not simultaneously, would if I could lol).
With this specific setup, I don't have any issues at all, but I know for a fact that it's not a 3.0 connection because of the cable (the "Device can perform faster when connected to USB 3.0" message confirms as much). The cable is obviously the limiting factor holding it back from 3.0 so I tried replacing it in the setup with various (both USB-C to USB-C and USB-C to USB-A) 3.0 cables and sure enough, I get the correct "connected through USB 3.0" message under my device's name in the devices menu.
However, no matter which 3.0 cable I try or which 3.0+ port I plug it into, I always run into the issue of the device randomly disconnecting/reconnecting every so often. I get the whole disconnected/reconnected sound deal and the "select what happens with this device" Autoplay message. I've tried turning off Autoplay, turning off the USB notification message option, going into device manager/registry and ensuring that every single thing related to the USB ports has the power conservation option turned of, etc.
One major thing is that when I created a USB 3.0 "certified" connection with my mom's slightly older custom-build computer, it seemingly had no problems holding the connection, so it appears as though it's something on my computer specifically that's causing it. I just frankly have no idea what that thing could be at this point. Any ideas?
Click to expand...
Click to collapse
I have not understood your intention.
Why do you have to connect the phone via USB cable to your computer?
If you have internet via mobile data on your phone and want to share it with the computer, you can tether via mobile hotspot of your phone. Just connect the computer via wifi to your phone's hotspot.
And your device should be able to use Dex wirelessly. I read about it in one of the latest Android 11 OneUI 3.1 changelog.