BLACK on BLACK

[Ty]

I'm trying to help a friend who changed their screen and text to black to
everything is black on black.

I tried starting in SAFE MODE to change the settings back, but it showed
black on black.

Is there something I can erase in his profile to reset the settings?

Computer is OK, because I tried the other profiles in the family.

He is running Windows XP Home Edition (Service Pack 1).

THANKS !

Ty