Dell Latitude Xpi CD - Manual (Page 146)

8 Dell Latitude XPi CD Reference and Troubleshooting Guide
time
setting, 2-12
trackball
enabling or disabling, 2-8
location, 1-1
testing, 4-16
troubleshooting
about, 3-1
AC power failure, 3-20
audible signs of problems, 3-3
audio functions, 3-30
basic problems, 3-1
battery power failure, 3-21
beep codes, 3-4
CD-ROM drive, 3-23
checking connections, 3-2
Diagnostics Checklist, 5-6
diskette drive failure during POST, 3-22
display failure, 3-26
dropped or damaged computer, 3-19
external keyboard/keypad, 3-24
external keypad, 3-24
external monitor, 3-27
failure during RAM count, 3-25
hard-disk drive failure during POST, 3-23
I/O functions, 3-28
infrared ports, 3-29
IRQ conflicts, 3-15
messages, 3-4
monitor, 3-27
troubleshooting (continued)
parallel port, 3-27
parallel printer, 3-28
power failure, 3-19
serial devices, 3-29
serial port, 3-27
software errors, 3-13
visual signs of problems, 3-3
water damage, 3-18
TSR programs, 3-13, 3-14
typographical conventions, x
U
upgrade options, 1-4
upper memory
address map, 3-17
user’s documentation, x, 5-2
V
video control circuitry, 4-15
video controller, 4-15
video display, 1-4
video functions
about, B-1
testing, 4-15