1, press the DEL key all the time, set the BIOS, restore the default settings, save and exit, and select LoadOptimizedDefaults, F 10 to save and exit.

2. The cause of the problem is that the computer can't be turned on because of the oxidation of the memory stick or the gold finger of the graphics card or the poor contact of the slot.

3. Press F8 continuously to enter Advanced, select the last correct configuration and confirm. Try the above three methods. If not, please reinstall the system.