(A) Disconnect the AC power cable

(B) Disconnect all external cables and power cords

(C) Use a surge protector

(D) Turn off the AC power

(A) Disk check diagnostics

(B) Head alignment diagnostics

(C) Initializing

(D) Uninstalling programs

(A) Q Ohms

(B) 16 Ohms

(C) -200 Ohms

(D) Unlimited Ohms

(A) Optical drives

(B) IDE hard drives

(C) SCSI hard drives

(D) EIDE hard drives

(A) capacitor

(B) diode

(C) transistor

(D) resistor

(A) in parallel

(B) in series

(C) after breaking the circuit

(D) after checking voltage

(A) ROM BIOS

(B) Video controller

(C) Compressed drives

(D) Existing backup files

(A) floppy drives

(B) hard drives

(C) power supplies

(D) CRTs

(A) flash or upgrade the BIOS

(B) check the CONFIG.SYS

(C) add cdrw in the device manager

(D) check the jumper setting on the cd-rw

(A) Is a superfluous step that should be ignored

(B) Checks and verifies that contiguous memory is installed

(C) Is an operational error

(D) Displays what memory is installed, but nothing else