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9-3
T
ROUBLESHOOTING
Hardware If you cannot find a software problem, check your hard-
ware. First run through the items in the preliminary
checklist above. If you still cannot correct the problem, try
to identify the source. The next section provides checklists
for individual components and peripherals.
Hardware and system checklist
This section discusses problems caused by your computer’s hardware or attached
peripherals. Basic problems may occur in the following areas:
❑ System start-up ❑ Pointing device
❑ Self test ❑ USB
❑ Power ❑ Memory expansion
❑ Password ❑ Sound system
❑ Keyboard ❑ Monitor
❑ LCD panel ❑ Modem
❑ Hard disk drive ❑ LAN
❑ CD-ROM drive ❑ Wireless LAN
❑ CD-RW/DVD-ROM drive ❑ Real time clock (RTC)
❑ DVD-ROM drive
❑ DVD-R/-RW drive
❑ Diskette drive
❑ PC card
System start-up
When the computer does not start properly, check the following items:
❑ Self Test
❑ Power Sources
❑ Power-on Password
Hardware and system checklist