CHAPTER 20: HARDWARE AND NETWORK TROUBLESHOOTING

Question 1

Can a CPU fail because of physical trauma or short circuiting.T/FP993

Answer 1

true

Question 2

What is the most common cause of a CPU not to work?P993

Answer 2

It is failure to install the CPU properly.

Question 3

output(i/O) ports are most often built into a motherboard and include what?P993

Answer 3

legacy parallel and serial,usb,and firewire ports.

Question 4

When a port doesn’t appear to be functioning, make sure the following conditions are met, and what are they?P993

Answer 4

cables are snugly connected, port has not been disabled in BIOS setup,port has not been disabled in device manager in windows, and no pins are broken or bent on the male end of the port or on the cable being plugged

Question 5

If you suspect that a port has a problem you can purchase a —– —- to test its functionality?P993

Answer 5

Loopback plug

Question 6

Isolating memory issues on a computer is one of the most difficult because?P993

Answer 6

So many memory problems manifest themselves as software issues, for example fatal error in windows producing the infamous Blue screen of death.

Question 7

Memory problems can cause system —– ,unexpected shutdowns or —–?P994.

Answer 7

lockups,reboots

Question 8

A completely failed power supply gives the same symptoms as a ——- —- ——-?P994

Answer 8

malfunctioning wall socket.

Question 9

UPS is?P994

Answer 9

Uninterruptible power supply

Question 10

T/F Never try to repair or disassemble a power supply?P995

Answer 10

true

Question 11

A pc that works for a few minutes and then locks up is probably experiencing what?P995

Answer 11

Overheating because of a heat sink or fan not functioning properly.

Question 12

What should you do to troubleshoot overheating of a PC?P995.

Answer 12

First check all fans inside the PC and make sure any heat sinks are firmly attacked to their chips.

Question 13

Make you know the sure direction of flow and that there are limited —— and – — ——?P995

Answer 13

Obstructions, and no dust buildup.

Question 14

CPUs are the most common component to overheat,occasionally other chips on the ——– ,such as the chipset,or chips on other devises ,particularly video cards may also overheat?P995

Answer 14

Motherboard

Question 15

How many steps to troubleshoot a blank screen on bootup?P996

Answer 15

4

Question 16

T/F Devices with moving parts are more prone to mechanical failure than a motherboard or a stick of RAM?P997

Answer 16

T

Question 17

How many steps to troubleshoot the power supply fan spins,but no other devices have power?p996

Answer 17

3

Question 18

How many causes hard disks system problems usually stem from?P997

Answer 18

three causes

Question 19

What are the causes for identifying hard disk problems?P997

Answer 19

See if the adapter (that is the SATA,IDE,or SCSI interface)is bad.The disk is bad. The adapter and disk are connected incorrectly.

Question 20

Software utilities used to manage hard drives include?P997

Answer 20

Chkdisk,format,Fdisk

Question 21

what causes boot problems?P998

Answer 21

Such as a complete failure to boot the hard drive not being recognized by the BIOS, or the OS not being found.

Question 22

Never perform low level format on —- — – —- drives because you may cause problems by using low level utilities on these types of drives?P998

Answer 22

SATA,IDE,OR SCSI

Question 23

RAIDis?P998

Answer 23

Redundant array of independent

Question 24

If your hard drive faiks completely and you need to get critical data off of it there are —- —- companies that provide file recovery software and sevices?P998

Answer 24

third party

Question 25

One of the most common problems that developers have with floppy drives is?P999

Answer 25

Misaligned read wright heads