CompTIA A+ Core 2 Question B-97

A technician just finished replacing the system board of a users laptop. Now, every time the unit attempts to boot into Windows 7, the laptop goes through an automatic restart midway through the OS boot screen process. Which of the following MOST likely needs to be fixed?

A. The optical drive needs to be moved lower in the boot process, below the hard disk.
B. The BIOS version on the motherboard is stock, and needs to be updated to the latest release.
C. The technician forgot to enable the SATA controller in the BIOS.
D. The hard drive operation setting in BIOS needs to be changed from AHCI to IDE.

Correct Answer: D

CompTIA A+ Question L-21

A customer states their computer was fine until yesterday when they heard a pop noise and the computer stopped working. Which of the following components should the technician test FIRST?

A. Main system board
B. Processor
C. Hard disk drive
D. Power supply

Correct Answer: D

CompTIA A+ Question I-88

When replacing the CPU in a laptop, which of the following locations should have thermal grease applied?

A. Connection points on the system board
B. Bottom of the CPU
C. Top of the CPU
D. Axis of the cooling fan

Correct Answer: C

Explanation:
Thermal grease should always be applied to the top of the CPU. The smooth surface is the top not the one with the pins. The pins go into the socket whereas the heat sink is placed on top of the CPU. Between the heat sink and the cpu, apply the grease for maximum thermal dissipation.

CompTIA A+ Question F-95

Which of the following should be the FIRST items to be removed when replacing the system board on a laptop? (Select TWO).

A. Keyboard
B. Battery
C. LCD
D. Palm rest
E. AC power adapter

Correct Answer: BE

Explanation:
Remove all power sources before opening the first screw on the laptop. Battery is a power source and can pose an electric hazard. So remove the battery and the AC power adapter that charges the battery.

CompTIA A+ Question E-39

A technician has been requested to replace an Intel CPU with an AMD CPU on a laptop. Which of the following components will need to be replaced as the technician prepares to complete the order?

A. System board
B. Inverter
C. Memory
D. DC jack

Correct Answer: A

CompTIA A+ Question E-25

Emily, a user, brings her laptop in and reports that it is no longer charging. Additionally, the laptop can no longer stay powered on even when plugged in. Which of the following hardware components is MOST likely in need of replacement?

A. Hard drive
B. Memory modules
C. System fan
D. Wireless card
E. System board

Correct Answer: E

CompTIA A+ Question C-56

Which of the following connectors provide power to the system board? (Select TWO).

A. IDE
B. SATA
C. Molex
D. 4-pin 12v
E. 24-pin ATX
F. 6-pin PCIe

Correct Answer: DE