set devmgr_show_nonpresent_devices=1 在命令提示符处,键入以下命令,然后按 Enter: start devmgmt.msc 解决设备管理器中设备和驱动程序的问题。 注意:在设备管理器中单击“查看”菜单上的“显示隐藏的设备”,才能看到未连接到计算机的设备。 在问题解决之后,关闭设备管理器。
reg add "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Environment" /v "DEVMGR_SHOW_NONPRESENT_DEVICES" /d 1 /t REG_SZ /f 3.重新启动计算机，在打开框中键入“devmgmt.msc”命令，单击“确定”按钮或者右击桌面上“我的电脑”图标，弹出的快捷菜单选择“属性”命令，在系...
When you finish troubleshooting, close Device Manager. Type exit at the command prompt. NoteFor Windows 7 and earlier, when you close the command prompt window, Window clears the devmgr_show_nonpresent_devices=1 variable that you set in step 2 and prevents ghosted device...
Type the following command and press Enter:set devmgr_show_nonpresent_devices=1 Source: Windows Central (Image credit: Source: Windows Central) Open Start. Search for Device Manager and click the top result to open the app. Click the View option from the file menu, and select the Show hidde...
Enter the following commands:SET DEVMGR_SHOW_NONPRESENT_DEVICES=1devmgmt.msc Select theViewoption, scroll down and click onShow hidden devices. Can you remove hidden devices in Device Manager? You can remove hidden devices in Device Manager but first, you have to unhide them. ...
- set devmgr_show_nonpresent_devices=1 - cd - cd windowssystem32 - start devmgmt.msc After doing this, your Device Manager will be able to fully display hidden devices in your drive. Expand all the sections and make sure you delete all gray entries. ...
Show Hidden Non-present devices in Device Manager To show non-present devices in Windows 11/10, using Device Manager, open an elevated command prompt windows, type the following and hit Enter: SET DEVMGR_SHOW_NONPRESENT_DEVICES=1 Next, typedevmgmt.mscand hit Enter to open the Device Manager....
set devmgr_show_nonpresent_devices=1 start devmgmt.msc The Device Manager will open and will now show all hidden devices when you select Show hidden devices from the View menu. You can use this trick toremove drivers associated with your old, disconnected hardware. This hidden feature was remov...
The device manager can also display devices previously installed but not currently present. However, the user must have previously and successfully installed the device, and must type the following at the command prompt: set devmgr_show_nonpresent_devices=1 The procedure for accessing the device mana...
set devmgr_show_nonpresent_devices=1 start devmgmt.msc Device Manager will automatically appear after the second command, and now if you go into its View menu and select 'Show hidden devices' you should see quite a few 'greyed out' items referring to missing hardware. For more details on wh...