Windows system >> Windows tutorial synthesis  >> About windows

Win10/Win8.1/Win7 does not recognize USB devices how to do

  
                                                                                                                                                                                         What if Win10/Win8.1/Win7 does not recognize USB devices? Sometimes when we plug a USB mobile hard disk or a USB flash drive into a computer
, we will encounter “Unrecognized USB device” problem. Repeated retry will not help, but the same USB device is in other < u> Computer
can be displayed normally. If you encounter this problem, you can refer to the following three methods to solve.
Method 1. Disable USB Selective Pause Settings
1, Control Panel —— Power Options, click Change Plan Settings next to the currently selected power plan.

2, click to change the advanced power settings.

3, expand USB settings & mdash; USB selective pause settings, set it to “ disabled & rdquo;, OK.

Method 2, uninstall the driver, then reconnect the external hard disk
1, open the control panel (small icon view) & mdash; device manager, find your device in the disk drive list, right click to uninstall .

2. Unplug the USB cable and reconnect it. The driver will load automatically and it will return to normal.
Method 3, re-install USB controller
1, open the control panel (small icon view) & mdash; device manager, expand the universal serial bus controller, right click on the device selection & ldquo; uninstall & rdquo;, each The device repeats the above operation. When finished, restart the computer
and the system will automatically install the USB controller.




About windows
Windows system
How to set up Win8 system to turn off hybrid shutdown?

How to turn off the hybrid shutdown of Windows8 system1, WIN+X, select “Control Panel", s
Win10 Lenovo notebook disable integrated graphics tutorial

A typical laptop with a discrete graphics card can be switched between a discrete graphics card and

Windows 10 10134 mobile version running screen exposure

After the desktop version of Windows 10 build 10134 was exposed, the running screen of the mobile ve
Win10 10547 often error restart problem solution

                                                                                                    
Win7 lower right corner of the small speaker volume icon crossed no sound audio service is not running

small series just finished reinstall Win7 computer system and found no sound, use Windows7 users wil
For Win7/Win8.1 users to confuse: Win10 official version of the basic system configuration requirements and important instructions

A lot of XP/Win7/Win8.1 users who are interested in Win10 are very concerned about whether their com
  • About windows
  • System FAQ
  • System installation tutorial
  • Windows information
  • Windows skills
  • System command
  • System Optimization
  • U disk mount

    • How to remove the folder in Win8.1?

    Method for clearing Win8 remote desktop login history traces

    How to delete the family group icon on the Win8.1 desktop?

    XP users: Although the benefits of upgrading Win7 are many, there are also 7 reasons for not upgrading.

    What is the update of win10 mobile version 10052? Win10 mobile version 10052 download release and update summary

    When can DNF Golden Horn King play?

    Win10 Build 10122 interface map reward

    Russian lawyer sues Microsoft: Win10 has espionage

    Windows 8 SkyDrive app update

    Developers please note: win10 Universal Platform Application Design Guide released

  • Windows XP System Tutorial
  • Windows 7 System Tutorial
  • Windows 8 System Tutorial
  • Windows 10 System Tutorial
  • Windows 2003 System Tutorial
  • Windows 2008 System Tutorial
  • Windows Vista System Tutorial
  • Windows tutorial synthesis
  • Windows Server System Tutorial
  • Linux system Tutorial
  • Computer software Tutorial
  • Windows NT Tutorial
    • Copyright © Windows knowledge All Rights Reserved