The device appears to be idle and so Windows decides to cut its power off, and it stops charging. ![]() This problem is known to have stopped some phones from charging while connected to a Windows 8 PC or Laptop. The new computer is showing an error message saying unknown usb device (device descriptor request failed). If you are having this error then it means that the USB device is not getting electric power. ![]() Wally’s Answer: This error is very simple to solve in normal circumstances. Setting up weekly (or daily) automatic scans will help prevent system problems and keep your PC running fast and trouble-free. Step 3 : Click “Repair All” to fix all issues.Step 2 : Click “Start Scan” to find Windows registry issues that could be causing PC problems.Step 1 : Download PC Repair & Optimizer Tool (WinThruster for Win 10, 8, 7, Vista, XP and 2000 – Microsoft Gold Certified).Before addressing any computer issue, I always recommend scanning and repairing any underlying problems affecting your PC health and performance:
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