Laptop Internals

Question 1

What are common motherboard form factors for laptops?

Answer 1

They are proprietary and non-specific.

Question 2

What common expansion slots do laptops use?

Answer 2

Mini-PCI

Question 3

What RAM slot type do laptops use?

Answer 3

SODIMM

Question 4

What are the storage device form factors for laptops?

Answer 4

1.8 inch and 2.5 inch.

Question 5

What are laptop CPUs designed to do?

Answer 5

Produce less heat.

Use CPU throttling.

Question 6

What type of storage drive is common in laptops?

Answer 6

SSD

Question 7

What are the two most common technologies used in LSD screens?

Answer 7

Twisted Nematic(TN) and In-Plane Switching(IPS).
TN uses high brightness, uses less power than IPS and cost less to manufacture.
IPS offers better colour representation and viewing angles, but have less contrast and slow response times.
Super IPS is now an option on the market.

Question 8

What are the benefits of LED displays?

Answer 8

They sue less power and have longer lifespans than LCD displays. They are the display of choice for many laptops.

Question 9

What are OLED screens used for?

Answer 9

Typically used in mobile devices and digital cameras although they can still be found in some laptops.
Their pixels produce their own light, not requiring a backlight unlike LCD and LED.

Question 10

What are the two common backlighting technologies?

Answer 10

CCFL and LED.

Question 11

What do CCFL displays require that LEDs do not?

Answer 11

A backlight inverter to invert the current.

Question 12

Why are LCD screens a danger to the environment?

Answer 12

Because they contain mercury.

Question 13

What must you do to replace a CCFL backlight?

Answer 13

You must completely disassemble the display.

Question 14

Where are wi-fi antenna located? What do they attach to? Where do the wires go?

Answer 14

At the top of the screen.
The WLAN wireless card.
Down the sides of the screen.

Question 15

What are the six states of power management?

Answer 15

S0 to S5.

Question 16

What is ACPI used for?

Answer 16

Advanced Configuration and Power Interface is used by technicians to create power management schemes.

Question 17

When configuring power settings in the BIOS what can you affect?

Answer 17

System States.
Battery and AC modes.
Thermal Management.
CPU PCI bus power management.
Wake on LAN (WOL)