Originally posted by Huckleberry:
...an old compaq monitor it showed a scrambled picture of the desktop...post was fine...the windows insignia was fine on bootup, but when it got to the desktop it was like the horizontal and vertical were all screwed up...
Likely exceeding the capabilities/specifications of the monitor and/or video card/chip as ahsia already stated.
Press F5 key to enter Safe Mode.
Make sure that the new Display settings does not exceed the specification of the monitor and the video card/chip.
"I know nothing."