How to Fix STOP: 0x0000007B – INACCESSIBLE BOOT DEVICE ? I had the same problem with a Dell Optiplex 330. I received the STOP 0x0000007B(0xF78DA63C,0x0000034,0X x0000000,0x0000000 error message if I booted with Windows XP. I resolved the issue by the following actions 1. On start up (Dell logo), pr...