单项选择题
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:（）
多项选择题 Modern desktop computer systems require the following to properly dissipate heat（）
单项选择题 While accessing the Internet in an external environment (i.e. while traveling), a Windows 7 firewall hould be set to which of the following?（）