If you don't want to reinstall, try to boot F8 into safe mode and uninstall incompatible drivers of hardware devices (that is, open Device Manager >; Right-click on each device) > properties > drivers > digital signature program >: there is no driver for "Microsoft Windows Hardware Compatible Publisher" in >; It is a driver that has not been digitally signed by Microsoft. If there is such a driver in the system, it will cause various problems. ) After turning on the computer to automatically identify hardware devices, reinstall the driver (WHQL) that you downloaded and has passed the Microsoft digital signature authentication, and then restart the computer again to see if there is any improvement. (xyz58 19 idea space-time)

Friendly reminder: as long as the driver works, don't blindly pursue new ones. Otherwise, installing incompatible drivers will lead to unstable system operation, which often leads to blue screen of death phenomenon. (xyz58 19 Idea Space) It is recommended that you download the driver with Microsoft WHQL certification from the manufacturer of your specific hardware device or the driver's home. (xyz58 19 idea space-time)

Appendix Microsoft explained: The driver has not been digitally signed, which means that the driver has not passed the test of Microsoft's Windows Hardware Quality Laboratory (WHQL). Installing a driver without digital signature will lead to unstable operation of the operating system and even blue screen of death phenomenon. You can get the WHQL-signed driver from the hardware manufacturer. (xyz58 19 idea space-time)

If you really can't find it yourself, download a driver wizard or driver life, and it will automatically help you find the corresponding driver in the networked state. ★ Attention ★ Be sure to download and install the certified driver ★(xyz58 19 Idea Space-Time)