USB data lines can't identify how to do USB data lines unresponsive

- Dec 19, 2017 -

USB data lines can't identify how to do USB data lines unresponsive


Method 1

1, first, insert the USB device into the computer interface. Then click the start menu on the lower left corner of the desktop, click the run command, open the box, type the "CMD" command, click the "confirm" button.


2. Start the command prompt window and execute the following two commands

Reg add "HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlSession

ManagerEnvironment "/v" DEVMGR_SHOW_DETAILS "/d 1 /t REG_SZ /f

Reg add "HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlSession

ManagerEnvironment "/v" DEVMGR_SHOW_NONPRESENT_DEVICES "/d 1 /t REG_SZ /f


3, restart the computer in the open box type "devmgmt.msc" command, click "OK" button or right click on the "my computer" icon pop-up shortcut menu, select "properties" command in the system properties of the interface to switch to the "hardware" tab, click the button below the "device manager"


4, open the device manager, click "view" on the menu bar - "display the hidden device"


5, double click the "universal serial bus controller" project to uninstall all the following grey items and USB large capacity storage devices


6, then right-click the "universal serial bus controller" project, the pop-up menu selection "scan check hardware changes"


7. Pull out the USB device and then insert it again. Is this good


8. If not well, right click the "USB Root Hub" project under the "universal serial bus controller", open the right button menu and click the "property" command


9, open the property window to switch to the power management tab, remove the "allow the computer to turn off the device to save power", click the "confirm" button (in turn, modify the properties of each USB Root Hub).


Method two

1, click the start menu, click the run command, and type the "regedit" command in the open box, and click the confirm button


2. Open the registry editor window and expand the following branches in the left registry tree window

HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlClass{4D36E967-E325-11CE-BFC1-08002BE10318}


3, delete the "UpperFilters" and "LowerFilters" keys in the right window


Analysis of hardware reasons

1, BIOS disables the USB device (into BIOS, and "Enable USB Device" is modified to "Enable")


2, the front USB line is not correctly connected (try the post USB interface)


3, USB interface voltage is insufficient (try to change the interface)


4 compatibility issues between the motherboard and the system (try to refresh the BIOS)


5, the USB device itself has been damaged (this can be immediately known to another computer for testing).


6, USB driver problem. If the above method is still unable to solve your problem, please go to the official website of the device manufacturer to download the latest driver installation.


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