My friends PC, running W98, will no longer have a display. She has tried plugging in two other monitors with the same result... nothing. She says she may have messed up something while in safe mode. Any thoughts? Thanks.

Have you tried scanreg/restore? This will take you back to where your monitor was working. To do this, shut down in DOS mode. You should be at a windows prompt.(C:Windows)
Type- cd command. This should take you to - C:windowscommand.
Now type- scanreg
Estore,( a space after the word scanreg)
A blue screen should come up with dates that should get you back to when the monitor worked. Highlight that date and restore. Be advised that you will lose any material you installed after that date. Good luck, Tom

My friends PC, running W98, will no longer have a display. She has tried plugging in two other monitors with the same result...nothing. She says she may have messed up something while in safe mode. Any thoughts? Thanks.
No vga signal on my PC please help me to fixit

No vga signal and no start up what should I do?

No vga signal and no start up what do I do? Help me.