1, enter the BIOS, load the default settings and save them;
2. Before the system starts, press F8, select "Safe Mode with Network" to enter the system, and then kill viruses and Trojans here;
3. Check the hard disk in safe mode (right-click partition name-Properties-Tools-Start check, check scanning errors and repair sectors);
4. Use the first aid kit to repair the lower system;
5. some antivirus software installed at the same time will also have problems. Please uninstall one of them.
6. First open the chassis and clean the dust inside;
7, and then check whether the memory stick, hard disk and other equipment are plugged in; Or swap memory slots;
8. Check whether the cooling fan rotates well and whether there is silicone between CPU and cooling fin;
9, reinstall the graphics card driver, or switch back to the original driver. This kind of driver is not the higher the version, the better, just enough;
A, if the above can't solve the problem, you can try to completely install the operating system;
B. If you do this, it is likely that there is something wrong with the hardware such as memory, hard disk, graphics card or motherboard. Please replace it to troubleshoot.
..... "If I can help you solve it, please feel free to adopt it;