单项选择题

A user reports that their touchpad no longer works on their laptop. Which of the following is the FIRST troubleshooting step?（）

A. Plug in USB keyboard
B. Check for a disable switch
C. Contact the laptop manufacturer
D. Plug in a USB mouse

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单项选择题

A user reports that their hard drive has failed and needs to be replaced. Which of the following should the technician do FIRST?（）

A. Run the hard disk manufacturer’s diagnostic program
B. Re-image the drive
C. Replace the hard drive and load Windows
D. Ask the user diagnostic questions

单项选择题

A memory type typically used in high end workstations and not generally found in consumer gradePCs is:（）

A.ddR3.
B.ecc.
C.pc2-6400.
D.ddR2-667.

多项选择题

Modern desktop computer systems require the following to properly dissipate heat（）

A. Temperature Control Panel
B. Thermal Compound
C. Liquid Cooling Systems
D. Processor Heat Sink
E. Case Fan