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Computer Hardware - Engineering

Q1:

You have a PC with no video* Which of the following is LEAST likely to be causing the problem?

A defective RAM (bank zero)

B defective microprocessor

C crashed hard drive

D loose video card

E low AC outlet power

ANS:C - crashed hard drive

Sir,

From my experience loose video card causes no display problems, some times CMOS battery also.

Defective RAM causes dead situation. ie; no display.
Defeftive processor also leads to no display issue.

If the HDD is crashed or not connected, the system BIOS will say something like this.

"NO BOOTABLE DEVICE FOUND".