USB detection issues pc - Lenovo P2 Questions & Answers

No pc seem to detect my p2 when connected. i even tried in linux but nothing. the wierd thing is that if is connect a usb drive to the phone with otg it works fine.

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Cannot connect to pc with windows 8.1

Hey guys i recently got a new pc with windows 8.1 and it doesnt recognize my gnex. whenever i connect it (i tried various combinations of mtp,ptp and usb debugging on and off) it says usb device has malfunctioned. same thing happens in bootloader mode. if i go to device manager i cannot see it under either portable devices or adb interface (the option is not present) i just see a yellow exclamation mark under "usb controllers> unknown usb device(port reset failed)". I have also tried all usb ports both usb 2.0 and 3.0.
anyone have the same problem? the phone works perfectly with the same cable in my other laptop with win7
I solved the issue. It seems that my USB cable was the problem. I changed it and it installed fine. I didn't think of it at first as the same cable works perfectly fine with win 7.
Sent from my Galaxy Nexus using Tapatalk
I always have the problem that I can connect to my phone, but sometimes when I try to open a folder, it keeps loading and won't open the folder. Don't think that's an USB problem too, but I'll try...

No usb connection?

Hi everyone,
I'm not sure if it's just me being a noob or if there is something borked on my P6 but I cannot for the life of me get any of my computers to recognise my P6 when I connect it via USB. I have installed the Mobile Drivers and have also tried putting it into USB Debugging mode but the computer doesn't see the phone. It does, however, charge it via USB but I get nothing else saying I'm connected and HiSuite also reports me as not being connected. Any ideas?
Ok, this is solved. Apparently, the phone's USB cable and another that I tried did not work with the phone but I swapped out to a third cable and it works fine.

Zenfone 2 not detected when connected to PC

I was trying to transfer some files to my phone through a USB cable today, but the phone was not recognized by the PC at all (Even though it was working a week or so ago). I had some issues before with the cable needing to be still in a certain position or it would disconnect from the PC, so I tried using another USB cable which didn't work either (I tested both USB cables with another device, and both cables were working and the other device was recognized by the PC).
I also updated the USB drivers on my PC with the official drivers on the ASUS support page, and tried putting my phone in fastboot and recovery mode, but both were still not being recognized by my computer. My phone still charges properly, but I am wondering if the USB port got damaged somehow so that it can't connect to a PC anymore?
pyroshroom said:
I was trying to transfer some files to my phone through a USB cable today, but the phone was not recognized by the PC at all (Even though it was working a week or so ago). I had some issues before with the cable needing to be still in a certain position or it would disconnect from the PC, so I tried using another USB cable which didn't work either (I tested both USB cables with another device, and both cables were working and the other device was recognized by the PC).
I also updated the USB drivers on my PC with the official drivers on the ASUS support page, and tried putting my phone in fastboot and recovery mode, but both were still not being recognized by my computer. My phone still charges properly, but I am wondering if the USB port got damaged somehow so that it can't connect to a PC anymore?
Click to expand...
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uninstall and reinstall the drivers. Ensure that phone is not connected during the process.
also have you upgraded your pc os ? if yes then its a little cumbersome to get the same working...
i changed from stock to cm, it is showing well now ... using RR now
Is your phone encrypted? If so you need to unlock in order for your pc to recognize it.
Thank you both of you for the help, unfortunately, my phone was not encrypted so there was no need to unlock in order for it to be detected. Uninstalling and reinstalling the drivers didn't work, and my PC was already on windows 10 since a few months ago. I would also prefer sticking to the stock ROM for this phone for now since they keep coming out with updates.
In addition, I tried using a USB OTG cable to see if the phone could detect the USB drive and my phone couldn't (it has worked before, and my old Galaxy Nexus could still detect it). I also tried plugging my dualshock 3 into the phone, and it also couldn't be detected (also had worked before).
It looks like it's actually a hardware issue and my only option is to RMA it now. I'll have to do it at a time when I don't need my phone as much or when I am not as busy.
PS: In case anyone else has this issue in the future, quick charging also no longer works
zenfone2 I also experienced that, and I have tried several ways, but remains unchanged. I was dizzy today :crying:

Tablet not reconized by pc.

My pc has always found my tablet when plugged in via usb cable.but now a message pops up on my pc saying Windows did not recognize the last device connected via usb,try connecting again if this does not work your device may be faulty.anyone know why my tablet is not found by windows,its windows 10.Thank You,Robert

Question I need some help please!

Hi , my Poco F3 arrived today and i was very hyped to use it but i've come into a problem.
Neither my win10 laptop or my F3 can identify each other when i connect them via USB, i can't even find it on the device manager, on my sister's laptop it connects and identifies weirdly enough but that's an older laptop is really slow and unreliable for anything specially since its not mine.
My laptop is a new one 2020 model and it connects well to any other device ...
I've tried replugging 100 times and i've made sure USB debbuging was toggled on my poco, also made sure the usb config was on file transfer, i've tried installing various ADB drivers too but it didn't help.
Can anyone please help me out with this , the poco f3 is my first android device and i really wanted to put other roms and use the ADB fastboot tools to debloat it but without connecting it with my laptop its gonna be very hard ...
Use official USB cable. Don't use a USB hub. Connect directly to the laptop. Change a USB port.
Plug your phone USB cable to laptop, switch file transfer mode on phone drop down menu, then reboot your laptop without disconnecting your phone from laptop.
Right click on the windows button on the task bar. Click on device manager. Does any device appear on their when the F3 is plugged in. Also as said above directly connect to a PC usb port rather than through a hub (maybe use a Usb c to usb c cable if your laptop only has usb c ports)

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