The computer turns on and displays a blue screen (code): stop：c0000135 unknown hard error unknown hard error The blue screen will be displayed after the Windows XP welcome screen appears, or you can directly restart back and forth halfway through startup. As shown in the figure: Here is a case. This may be the kernel of the xp system

When the xp system starts up, it starts to the windows xp welcome screen, and the blue screen will appear: STOP: 0x0000007B (0x....), as shown in the figure:   Cause: Most of the time, your hard disk is a SATA hard disk, and your hard disk interface mode is set to AHCI mode without setting other attributes. There is no SATA control in the general XP system (original)