This is how to work around the Driver Signing Enforcement. When the menu appears, use the DOWN arrow key to scroll to “Disable Driver Signature Enforcement.”Īfter your computer has completed the boot process, please install the drivers per the included instructions. Note: On some systems, you need to first press F2 to go into Boot Menu, then press F8 to reach Advanced Boot Options. Follow the following instructions from as are listed below:ĭuring boot-up, continuously press F8 to get to Advanced Boot Options. Click OK to remove the driver.Īfter the uninstallation is complete, reboot your computer as soon as possible. Windows will prompt you to confirm the device’s removal.

Right-click the device, and click Uninstall. Delete the current driver in Device Manager by following the instructions from as are listed below:Ĭlick Start, type Device Manager, and press Enter.įind and double-click the category of device whose driver you wish to uninstall (for example, the graphics card would be listed under Display Adapters).

Find the correct driver for your webcam on the internet (it is most likely free on Lenovo's website however, you could use the driver install disc that most likely came with your webcam). As it is harder to install drivers in windows 7 and 8 than in previous versions XP/98 due to the institution of Digital Driver Signature Enforcement, here's some step-by-step for you to go off of: Your problem might be the driver for the webcam.

A4tech usb2.0 pc camera driver