TAGRAM, 396
Tape drives, 534
Task Manager, 48–50, 656–657
TASKKILL command, 328–329
TCP/IP (Transmission Control Protocol/Internet Protocol)
network topology, 591, 856
Windows NT, 703
Windows 9x, 669
Telecommunications
calling cards, 232
call waiting and Internet service, 242
data transfer speed, 241–242
Dialing Rules, 226–227, 229–232
dongles, 223–224, 839
DSL filters and, 234
PBX phone lines and modems, 193, 223
Phone and Modem applet, 229–232
surge suppressors and telephone line protection, 223
voice and modems, 189
voice mail, 242
TELNET command, 706
Temperature-monitoring software, 265
Terabyte, as size unit, 441
Terminal programs, 191–192
Terminating programs or processes, TASKKILL command, 328–329
Test site requirements, 386
Tests. See CompTIA A+ certification exams
Text editors, 639
Text files, 621
TFTP (Trivial File Transfer Protocol), 741
Thermal card or chip creep, 431
Thermal ink printers, 501
Thermal pads, 87
Thicknet (10Base5) cables, 561, 566
Thinnet (10Base2) cable, 561–562, 566
Thrashing, 118
TIFF images, 498
Timer
clock and bus speed, 422
IRQ and system timer, 465
Token passing, 590
Token ring standards, 582–583
Toner, printer, 509, 512
Tools for repairs, 6–9
Tools, diagnostic, 256–259
Touch screens, 474–475
Touchpads, 209, 474
TP (Twisted-Pair) cable, 562–564
Tracert command (DOS), 591
TRACERT utility, 704–705
Trackballs, 475
Transceivers, 571
Transport layer, OSI reference model, 584
TREE command, 630
Triton chipset, 396
Trojan horses, 598, 742
Troubleshooting
Access Denied, 268–269
AOL connections, 249–250
audio problems, 292, 297
AUTOEXEC.BAT, 54–55
Automated System Restore (XP Professional), 283
BIOS update failures, 84
booting errors, 286
broadband (high-speed) Internet connections, 232–236
CD/DVD installations, 541
data reading problems, 150, 294–295
dead computer, 285, 401
device conflicts, 658–660. See also Device Manager
device status, 40
diagnostic tools, 256–259
e-mail problems, 243–249, 299–300
Emergency Repair Process, 278–279
erratic behavior, 287
FAQs and, 259
floppy drives, 296–297, 521–522
hard drives, 147–150, 294–295, 297, 523, 536–538
hardware peripherals, 295
information-sharing groups and, 262
Internet connection problems, 222, 298–300
jerky pointers, 212–214
keyboards, 217–219, 471–472
knowledge bases and, 260
Last Known Good (LKG) Configuration, 277, 691, 723
list of simple fixes, 264
lockups, 40, 42–43, 123–124, 214, 265, 286
manufacturers as resources for, 259–262
memory, 119–121, 123–126
modems, 190–193, 298–300
networks, 603–604
optical drive won’t open, 169–170
overheating problems, 290
passwords, 405
performance problems, 287
POST cards for, 7
power supplies, 401
printing problems, 266–268, 293
procedures, 255
questions to ask, 255
Registry problems, 269–271
Registry repairs, 271–273
reinstalling Windows 9X over an existing installation, 279–280
remote troubleshooting, 265–266
resolving boot issues, Windows NT, 691
Restoration of System State Data, 282–283
Safe Mode Boot, 274, 286
shut downs, 282, 287
software for, 7
software installation problems, 288–289
sound and CD/DVD playback, 541
strategies for, 253–254
support, getting personalized assistance, 261
system crashes, 265
System File Checker (98, 2000 and XP), 274–277
system information, accessing, 257
System Restore, 281
tips for remote troubleshooting, 266
video capture devices, 181
video problems, 181, 290–291
web pages won’t open, 236–241
Win95 installation failure, 649
Windows 2000 tips, 743–745
Windows 9x tips, 670–674
Windows 9X, reinstalling, 279–280
Windows ME tips, 784–787
Windows NT tips, 707–709
Windows XP tips, 823–824
Turbo buttons, 97
TWAIN and WIA, 809
Twisted pair cable, 562–564
TYPE command, 329–330, 342