USB Device not recognized error

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Nov 4, 2015 5:34:02 PM via Website

when I connect my asus zenfone 5 to my laptop a small icon appears on the taskbar which when clicked says "usb device not recognized".
It used you work fine couple of weeks ago. I didnt make any recent changes.
My phone was rooted. I tried unrooting which dosent solve the problem.
I get the same problem on my pc as well.

  • Forum posts: 678

Nov 5, 2015 4:44:25 AM via Website

Goutham

when I connect my asus zenfone 5 to my laptop a small icon appears on the taskbar which when clicked says "usb device not recognized".
It used you work fine couple of weeks ago. I didnt make any recent changes.
My phone was rooted. I tried unrooting which dosent solve the problem.
I get the same problem on my pc as well.

It is a common problem and can be fixed.

Re-install/update zenfone drivers.
Enable usb debugging from setting .
Try different USB posts and cables.
enable Media device (MTP)

Ready To Help You.

  • Forum posts: 2

Nov 6, 2015 6:17:05 AM via Website

I have tried on multiple computers with multiple cables obviously with mtp enabled. usb debugging as well. no use.
I have never had to manually install drivers on any pc when I connect my phone.. The device usually gets installed automatically and I could access my phone and sd.
In device manager under USB controllers there is "Unknown USB Device (Device Descriptor Request Failed)" with a small yellow icon near it. It is fully updated as well.