Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:.
Note In Windows 8 and Windows Server , you must create the registry key before you restart the computer after you have applied this hotfix. To enable the update for a specific device, follow these steps:. Swipe in from the right edge of the screen, and then tap Search. Or, if you are using a mouse, point to the lower-right corner of the screen, and then click Search.
If you are prompted to enter an administrator password, type the password. If you are prompted to provide confirmation, provide confirmation. On the Edit menu, point to New , and then tap or click Key. Type a name for the new key by using the following format: vvvvpppprrrr Notes. In the Value data box, type 0, and then tap or click OK. To enable the update for all the USB devices that are enumerated on the computer, follow these steps:. The global version of this hotfix installs files that have the attributes that are listed in the following tables.
The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time DST bias. Additionally, the dates and the times may change when you perform certain operations on the files. Windows 8 and Windows Server file information notes Important Windows 8 hotfixes and Windows Server hotfixes are included in the same packages. However, only "Windows 8" is listed on the Hotfix Request page. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 8" on the page.
Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature. Organizations can protect their data by disabling such unauthentic devices. Sometimes we may need to share our system with any other person which can be vulnerable to viruses. To secure our system against such situations and attacks, disable the USB ports proves to be a very good solution to secure our system from viruses and any other vulnerabilities.
We can enable back these USB ports using different methods like registry editor, device manager, and any other third-party applications. Then type "regedit. Once done USB drives and ports on your system will be disabled. Once done USB drives and ports on your system will be enabled back.
Right-click on the USB 3. A system can be protected from malicious users on a high scale like in school, office, etc. Later on, you can install the drivers back to make the things work USB devices detected again.
In other cases, you may also have accidentally disabled usb ports. Boot into the BIOS. UEFL to check if such an option or feature is available on your system. Use one or more of the following methods to block users from connecting to USB storage devices, as appropriate for your case. Users can not install a USB storage device to the computer when you do this. To assign Deny permissions for the files Usbstor.
It is impossible to disconnect all the USB ports from the motherboard; all you can do is to disconnect those exist on the top and front of the computer by plugging out the cable from the USB header. Disconnecting these ports prevents people from miscuing them.
These are all six solutions we prepared for you. In addition, you can learn how to fix USB ports not working in a more specific way. Wondershare Recoverit is a tool to retrieve the lost data from the device by following easy steps. It offers effective solutions to recover files from a crashed computer, USB device or Windows, etc.
We need better understand before troubleshooting this issue. What and make and model number of the computer? Currently which operating system are you using on the computer? Were you able to install windows 8 successfully? If you have installed windows 8, I would suggest you to uninstall and reinstall the latest USB controllers and check if it helps. Follow these steps and run a Hardware and Devices troubleshooter.
Check if the issue gets resolved. Uninstall and re-install the USB controllers in compatibility mode:. Expand the Universal Serial Bus controllers , click on the drivers. Right-click every device under the Universal Serial Bus controllers node, and then click Uninstall to remove them one at a time. Click OK. Click on Properties and select the Compatibility tab.
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