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Index 7
touch pad
about, 1-3
location, 1-1
testing, 4-15
troubleshooting, 3-22
troubleshooting
about, 3-1
AC power failure, 3-13
audible signs of problems, 3-3
audio functions, 3-23
basic problems, 3-1
battery power failure, 3-14
beep codes, 3-7
CD-ROM drive, 3-15
checking connections, 3-2
Diagnostics Checklist, 5-6
diskette drive failure during POST, 3-15
display failure, 3-18
dropped or damaged computer, 3-12
external keyboard, 3-17
external monitor, 3-19
failure during RAM count, 3-18
hard-disk drive failure during POST, 3-16
I/O functions, 3-20
infrared port, 3-22
IRQ conflicts, 3-10
messages, 3-5
monitor, 3-19
parallel port, 3-20
parallel printer, 3-21
partial power failure, 3-15
serial devices, 3-21
serial port, 3-20
software errors, 3-9
starting, 3-1
touch pad, 3-22
water damage, 3-11
TSR programs
about, 3-9
problems with, 3-10
turning off the computer, 1-4
turning on the computer, 1-4
typographical conventions, x
U
Universal Serial Bus. See USB
upgrade options, 1-4
USB, 1-3
user’s documentation, x, 5-3
utilities
reinstalling, 2-12
V
video control circuitry, 4-13
video controller, 4-13
video display, 1-2
video functions
about, B-1
testing, 4-13
video memory, A-3
video subsystem. See Video test group
Video test group
Dell Diagnostics, 4-13
video tests
Color Palettes Test, B-5
Graphics Mode Test, B-4
Solid Colors Test, B-6
Text Mode Character Test, B-1
Text Mode Color Test, B-3
Text Mode Pages Test, B-4
Video Hardware Test, B-1
Video Memory Test, B-1
55899BK1.BK : 55899bk1.IX Page 7 Wednesday, February 4, 1998 1:20 PM