Win7 upgrade sp1 black screen prompt error code 0xc0000034

Win7 sp1 system black screen solution one:

When the computer is turned on, press F8 on the keyboard to enter the Windows 7 security mode interface, and then select Advanced Start ——" Repair the computer, select System Restore in the system recovery options, and then select the desired one to restore through the listed restore points. If you have not done a system restore before, you can view Method 2.

Win7 sp1 system black screen solution 2:

1, also enter the repair computer option, after entering, select the command line, enter the following command line;

Reg Load HKLMBaseSystem C:WindowsSystem32configSYSTEM

Reg Delete “HKLMBaseSystemControlSet001ControlSession Manager” /v SetupExecute

Reg add “HKLMBaseSystemControlSet001ControlSession Manager” /v SetupExecute /t REG_MULTI_SZ

Reg unload HKLMBaseSystem< Br>

2. After restarting the computer after the command is executed, the problem can be solved.