"Compaq Prortable won't turn on; no CRT; no floppy light." için yanıtFor the floppy drive, lubricate the rails and clean the heads. For the CRT, replace the motherboard. For more information, check this video here: https://www.youtube.com/watch?v=5rPr2JSK...
"MacBook Pro can’t log on." için yanıtTry shift,control,option & power button for 10 Seconds. Do the combination of keys altogether and that should solve the problem.