Need to know how to fix a
Disc error 01, AX=0201, drive 80
google was no help
Also need to know hoy to fix
-Video (Mono/CGA Display Circuitry) issue.One Long and Two Short Beeps
-Logic board problem.
-Indicates a video error has occurred and the BIOS cannot initialize the video screen to display any additional information
-Conventional/Extended memory failure