To make sure that the computer itself works, start by turning up the contrast. If that does not work, unplug the hard drive SCSI Cable. The Mac should show a floppy with a blinking question mark. If so, then the hard drive is the problem. If not, then the analog board for the CRT has failed or the Logic board has failed
To make sure that the computer itself works, start by turning up the contrast. If that does not work, unplug the hard drive SCSI Cable. The Mac should show a floppy with a blinking question mark. If so, then the hard drive is the problem. If not, then the analog board for the CRT has failed or the Logic board has failed