Select Start , enter device manager. Then, select Device Manager from the search results. Was this information helpful?

MMC cannot open the file C:\WINDOWS\system32\devmgmt.msc. This may be because the file does not exist, is not the MMC console, or was created by a later version of MMC.

Select Start , enter device manager. Then, select Device Manager from the search results. Was this information helpful?

Drivers updated through Device Manager can be done either automatically or manually. If needed, drivers can also be reinstalled through Device Manager. To update or reinstall a driver through Device Manager in Windows, select the desired task from the following list:

For Windows 7 and earlier, start with step 1: Accessories, and then click Command Prompt. For Windows 8 and later: From Start, search for device manager, and select Device Manager from the search results. Troubleshoot the devices and drivers in Device Manager.

In the Open box, type devmgmt.msc, and then click OK. Device Manager opens. Expand Universal Serial Bus controllers. Note You might have to scroll down the list to find this item. Right-click the affected USB Root Hub, and then click Uninstall to remove it. Restart the computer.

Type devmgmt.msc in the Run dialog box, then press Enter. If you are prompted for an administrator password or for a confirmation, type the password, or select Allow. In Device Manager, expand DVD/CD-ROM drives, right-click the CD and DVD devices, and then select Uninstall.

Selecciona Inicio , escribe administrador de dispositivos. A continuación, selecciona Administrador de dispositivos en los resultados de la búsqueda. ¿Le ha sido útil esta información?

Type devmgmt.msc, and then click OK. Device Manager opens. In Device Manager, click your computer so that it is highlighted. Click Action, and then click Scan for hardware changes. Check the USB device to see whether it is working. If scanning for hardware changes fixed the problem, you are finished.

MMC 無法開啟檔案 C:\WINDOWS\system32\devmgmt.msc。 這可能是因為檔案不存在、不是 MMC 主控台，或是由較新版本的 MMC 所建立。 這也可能是因為您沒有足夠的檔案存取權限。 如果需要我們為您修正此問題，請前往＜ 為我修正此問題 ＞一節。