Dell Precision T7400 (Late 2007) – страница 3
Инструкция к Компьютеру Dell Precision T7400 (Late 2007)
Оглавление
- Примечания, замечания и предупреждения
- Содержание
- 196 Содержание
- Источники информации Что требуется найти? Информация находится здесь
- Что требуется найти? Информация находится здесь
- Что требуется найти? Информация находится здесь
- Что требуется найти? Информация находится здесь
- Что требуется найти? Информация находится здесь
- Что требуется найти? Информация находится здесь
- Настройка компьютера Изменение положения корпуса компьютера Изменение вертикального положения корпуса на горизонтальное
- Изменение горизонтального положения корпуса на вертикальное Установка компьютера в ограниченное пространство
- Краткий справочник 205
- 206 Краткий справочник
- Перенос информации на новый компьютер Microsoft Windows XP
- ОДГОТОВЬТЕ НОВЫЙ КОМПЬЮТЕР К ПЕР ЕНОСУ ФАЙЛОВ — СКОПИРУЙТЕ ДАННЫЕ С ИСХОДНОГО КОМПЬЮТЕР А —
- ПЕР ЕНЕСИТЕ ДАННЫЕ НА НОВЫЙ КОМПЬЮТЕР — Мастер переноса файлов и параметров ОЗДАЙТЕ ДИСК МАСТЕРА ПЕР ЕНОСА —
- СКОПИРУЙТЕ ДАННЫЕ С ИСХОДНОГО КОМПЬЮТЕР А — ПЕР ЕНЕСИТЕ ДАННЫЕ НА НОВЫЙ КОМПЬЮТЕР —
- Microsoft Windows Vista Устройства защиты питания Фильтры бросков напряжения
- Стабилизаторы напряжения Источники бесперебойного питания
- Сведения о компьютере Вид спереди (вертикальное положение корпуса)
- 7 разъемы
- 13 индикатор сетевого соединения
- Вид сзади (вертикальное положение корпуса)
- Разъемы на задней панели
- 8 индикатор
- 11 разъемы Уход за компьютером Компьютер, клавиатура и монитор
- Мышь (неоптическая) Дисковод гибких дисков Компакт-диски и диски DVD
- Средства поиска и устранения неисправностей Индикаторы питания
- Диагностические индикаторы
- Коды диагностических индикаторов во время самотестирования при включении питания Сочетание индикаторов
- Сочетание индикаторов
- Сочетание индикаторов
- Сочетание индикаторов
- Сочетание индикаторов
- Сочетание индикаторов Кодовые сигналы
- Код Причина Код Описание Рекомендуемый способ
- Код Описание Рекомендуемый способ
- Системные сообщения A LERT! PREVIOUS ATTEMPTS AT BOOTING THIS SYSTEM HAVE FAILED CMOS CPU F LOPPY DISKETTE SEEK FAILURE (ОШИБКА ПОДВОДА ГОЛОВКИ D ISKETTE READ FAILURE (ОШИБКА ЧТЕНИЯ ДИСКЕТЫ)—Возможно, H ARD-DISK READ FAILURE (ОШИБКА ЧТЕНИЯ ЖЕСТКОГО ДИСКА)— K EYBOARD FAILURE (ОТКАЗ КЛАВИАТУРЫ)—Отказ клавиатуры или
- NO BOOT DEVICE AVAILABLE (НЕТ ЗАГРУЗОЧНЫХ УСТРОЙСТВ)— NO TIMER TICK INTERRUPT (ОТСУТСТВУЕТ ПРЕРЫВАНИЕ ОТ ТАЙМЕРА)— N ON-SYSTEM DISK OR DISK ERROR (НЕСИСТЕМНЫЙ ДИСК ИЛИ ОШИБКА OT A BOOT DISKETTE (ОТСУТСТВУЕТ ЗАГРУЗОЧНАЯ ДИСКЕТА)—
- Средство устранения неполадок оборудования Dell Diagnostics Когда использовать программу Dell Diagnostics
- Запуск программы Dell Diagnostics с жесткого диска
- Запуск программы Dell Diagnostics сдиска Drivers and Utilities 1
- 11
- Главное меню программы Dell Diagnostics Пункт меню Функция
- Вкладка Функция Поиск и устранение неисправностей
- Неполадки батарейки Неполадки дисководов
- Неполадки оптического дисковода Неполадки записи на оптический дисковод
- Неполадки жесткого диска Неполадки электронной почты, модема и подключения к Интернету
- ПОПРОБУЙТЕ ИСПОЛЬЗОВАТЬ ДРУГУЮ ТЕЛЕФОННУЮ ЛИНИЮ — ЗАПУСТИТЕ СРЕДСТВО ДИАГНОСТИКИ МОДЕМА — УБЕДИТЕСЬ, ЧТО МОДЕМ ОБМЕНИВАЕТСЯ ИНФОРМАЦИЕЙ С WINDOWS —
- УБЕДИТЕСЬ, ЧТО ВЫ ПОДКЛЮЧЕНЫ К ИНТЕРНЕТУ — Убедитесь, что вы Сообщения об ошибках
- Неполадки устройства IEEE 1394
- Неполадки клавиатуры
- Компьютер не реагирует на действия пользователя Программа не реагирует на действия пользователя Неоднократное аварийное завершение программы Программа разработана для более ранней версии операционной системы Windows
- Появляется сплошной синий экран Другие неполадки программного обеспечения Неполадки памяти Е СЛИ ВЫДАЕТСЯ СООБЩЕНИЕ О НЕДОСТАТОЧНОЙ ПАМЯТИ —
- ЕСЛИ ВОЗНИКАЮТ ДРУГИЕ ПРОБЛЕМЫ С ПАМЯТЬЮ — Неполадки мыши
- Неполадки сети Неполадки питания Е СЛИ ИНДИКАТОР ПИТАНИЯ ГОР ИТ ЗЕЛЕНЫМ СВЕТОМ, А КОМПЬЮТЕР НЕ РЕАГИРУЕТ НА ДЕЙСТВИЯ ПОЛЬЗОВАТЕЛЯ — Смотрите раздел
- ЕСЛИ ИНДИКАТОР ПИТАНИЯ МИГАЕТ ЗЕЛЕНЫМ СВЕТОМ — Компьютер Е СЛИ ИНДИКАТОР ПИТАНИЯ НЕ ГОРИТ — Компьютер выключен или не ЕСЛИ ИНДИКАТОР ПИТАНИЯ МИГАЕТ ЖЕЛТЫМ СВЕТОМ — На компьютер ЕСЛИ ИНДИКАТОР ПИТАНИЯ ГОРИТ ЖЕЛТЫМ СВЕТОМ — Возможно, УСТРАНИТЕ ПОМЕХИ — Возможными источниками помех являются.
- Неполадки принтера
- Неполадки сканера Неполадки, связанные со звуком и динамиками
- Не слышен звук из динамиков Не слышен звук из наушников
- Неполадки видеоадаптера и монитора На экране нет изображения П РОВЕРЬТЕ ПРАВИЛЬНОСТЬ ПОДСОЕДИНЕНИЯ КАБЕЛЯ МОНИТОР А — ПРОВЕРЬТЕ ИНДИКАТОР ПИТАНИЯ МОНИТОРА —
- ПРОВЕРЬТЕ ЭЛЕКТРИЧЕСКУЮ РОЗЕТКУ — Убедитесь, что электрическая П РОВЕРЬТЕ ДИАГНОСТИЧЕСКИЕ ИНДИКАТОРЫ — Смотрите раздел Текст на экране трудночитаем
- Плохое качество трехмерного изображения Информация нормально читается только на части экрана

drive letter
:\ IS NOT ACCESSIBLE. THE DEVICE IS NOT READY — The drive
cannot read the disk. Insert a disk into the drive and try again.
I
NSERT BOOTABLE MEDIA — Insert a bootable floppy disk, CD, or DVD.
N
ON-SYSTEM DISK ERROR — Remove the floppy disk from the floppy drive and
restart your computer.
N
OT ENOUGH MEMORY OR RESOURCES. CLOSE SOME PROGRAMS AND TRY AGAIN —
Close all windows and open the program that you want to use. In some cases, you may
have to restart your computer to restore computer resources. If so, run the program
that you want to use first.
O
PERATING SYSTEM NOT FOUND — Contact Dell (see "Contacting Dell" in your
User’s Guide).
IEEE 1394 Device Problems
CAUTION: Before you begin any of the procedures in this section, follow the
safety instructions in the
Product Information Guide
.
E
NSURE THAT THE CABLE FOR THE IEEE 1394 DEVICE IS PROPERLY INSERTED INTO
THE DEVICE AND INTO THE CONNECTOR ON THE COMPUTER
ENSURE THAT THE IEEE 1394 DEVICE IS ENABLED IN SYSTEM SETUP — See
"System Setup Options" in your User’s Guide.
E
NSURE THAT THE IEEE 1394 DEVICE IS RECOGNIZED BY WINDOWS —
Windows XP:
1
Click
Start
and click
Control Panel
.
2
Under
Pick a Category
, click
Performance and Maintenance
→
System
→
System
Properties
→
Hardware
→
Device Manager
.
Windows Vista:
1
Click
Start
→
Control Panel
→
Hardware and Sound
.
2
Click
Device Manager.
If your IEEE 1394 device is listed, Windows recognizes the device.
E
NSURE THAT THE IEEE 1394 CARD IS PROPERLY SEATED
ENSURE THAT THE IEEE 1394 CABLE IS CONNECTED SECURELY TO THE SYSTEM
BOARD CONNECTOR AND THE CONNECTOR ON THE FRONT I /O PANEL
IF YOU HAVE PROBLEMS WITH A DELL IEEE 1394 DEVICE — Contact Dell (see
"Contacting Dell" in your User’s Guide).
I
F YOU HAVE PROBLEMS WITH AN IEEE 1394 DEVICE NOT PROVIDED BY DELL —
Contact the IEEE 1394 device manufacturer.
Quick Reference Guide 41

Keyboard Problems
CAUTION: Before you begin any of the procedures in this section, follow the
safety instructions in the
Product Information Guide
.
C
HECK THE KEYBOARD CABLE —
• Ensure that the keyboard cable is firmly connected to the computer.
• Shut down the computer (see "Turning Off Your Computer"
in your User’s Guide
),
reconnect the keyboard cable as shown on the setup diagram for your computer, and
then restart the computer.
• Ensure that the cable is not damaged or frayed and check cable connectors for bent or
broken pins. Straighten any bent pins.
• Remove any keyboard extension cables and connect the keyboard directly to the computer.
TEST THE KEYBOARD — Connect a properly working keyboard to the computer, and
then try using the keyboard.
R
UN THE HARDWARE TROUBLESHOOTER — See "Restoring Your Operating System"
in your User’s Guide.
Lockups and Software Problems
CAUTION: Before you begin any of the procedures in this section, follow the
safety instructions in the
Product Information Guide
.
The computer does not start up
CHECK THE DIAGNOSTIC LIGHTS — See "Diagnostic Lights" on page 26.
E
NSURE THAT THE POWER CABLE IS FIRMLY CONNECTED TO THE COMPUTER AND TO
THE ELECTRICAL OUTLET
The computer stops responding
NOTICE: You may lose data if you are unable to perform an operating system shutdown.
T
URN THE COMPUTER OFF — If you are unable to get a response by pressing a key on
your keyboard or moving your mouse, press and hold the power button for at least
8 to 10 seconds (until the computer turns off), and then restart your computer.
A program stops responding
END THE PROGRAM —
1
Press <Ctrl><Shift><Esc> simultaneously to access the Task Manager.
2
Click the
Applications
tab.
3
Click to select the program that is no longer responding.
4
Click
End Task
.
42 Quick Reference Guide

A program crashes repeatedly
NOTE: Most software includes installation instructions in its documentation or on
a floppy disk, CD, or DVD.
C
HECK THE SOFTWARE DOCUMENTATION — If necessary, uninstall and then reinstall
the program.
A program is designed for an earlier Windows operating system
RUN THE PROGRAM COMPATIBILITY WIZARD —
Windows XP:
The Program Compatibility Wizard configures a program so that it runs in an
environment similar to non-Windows XP operating system environments.
1
Click
Start
→
All Programs
→
Accessories
→
Program Compatibility Wizard
→
Next
.
2
Follow the instructions on the screen.
Windows Vista:
The Program Compatibility Wizard configures a program so that it runs in an
environment similar to non-Windows Vista operating system environments.
1
Click
Start
→
Control Panel
→
Programs
→
Use an older program with this
version of Windows.
2
In the welcome screen, click
Next
.
3
Follow the instructions on the screen.
A solid blue screen appears
TURN THE COMPUTER OFF — If you are unable to get a response by pressing a key on
your keyboard or moving your mouse, press and hold the power button for at least
8 to 10 seconds (until the computer turns off), and then restart your computer.
Other software problems
CHECK THE SOFTWARE DOCUMENTATION OR CONTACT THE SOFTWARE
MANUFACTURER FOR TROUBLESHOOTING INFORMATION —
• Ensure that the program is compatible with the operating system installed on your computer.
• Ensure that your computer meets the minimum hardware requirements needed to run
the software. See the software documentation for information.
• Ensure that the program is installed and configured properly.
• Verify that the device drivers do not conflict with the program.
• If necessary, uninstall and then reinstall the program.
Quick Reference Guide 43

BACK UP YOUR FILES IMMEDIATELY
USE A VIRUS-SCANNING PROGRAM TO CHECK THE HARD DRIVE, FLOPPY DISKS,
CD
S, OR DVDS
SAVE AND CLOSE ANY OPEN FILES OR PROGRAMS AND SHUT DOWN YOUR
COMPUTER THROUGH THE START MENU
Memory Problems
CAUTION: Before you begin any of the procedures in this section, follow the
safety instructions in the
Product Information Guide
.
I
F YOU RECEIVE AN INSUFFICIENT MEMORY MESSAGE —
• Save and close any open files and exit any open programs you are not using to see if
that resolves the problem.
• See the software documentation for minimum memory requirements. If necessary,
install additional memory (see "Installing a Memory Module"
in your User’s Guide
).
• Reseat the memory modules (see "Removing the Front Panel"
in your User’s Guide
)
to ensure that your computer is successfully communicating with the memory.
• Run the Dell Diagnostics (see "Dell Diagnostics" on page 33).
IF YOU EXPERIENCE OTHER MEMORY PROBLEMS —
• Reseat the memory modules (see "Removing the Front Panel"
in your User’s Guide
)
to ensure that your computer is successfully communicating with the memory.
• Ensure that you are following the memory installation guidelines (see "Installing
aMemory Module"
in your User’s Guide
).
• Ensure that the memory you are using is supported by your computer. For more
information about the type of memory supported by your computer, see "Removing
the Front Panel"
in your User’s Guide
.
• Run the Dell Diagnostics (see "Dell Diagnostics" on page 33).
Mouse Problems
CAUTION: Before you begin any of the procedures in this section, follow the
safety instructions in the
Product Information Guide
.
C
HECK THE MOUSE CABLE —
• Ensure that the cable is not damaged or frayed and check cable connectors for bent or
broken pins. Straighten any bent pins.
• Remove any mouse extension cables, and connect the mouse directly to the computer.
• Verify that the mouse cable is connected as shown on the setup diagram for your computer.
44 Quick Reference Guide

RESTART THE COMPUTER —
1
Simultaneously press <Ctrl><Esc> to display the
Start
menu.
2
Press <u>,
press the up- and down-arrow keys
to highlight
Shut down
or
Turn Off
,
and then press <Enter>.
3
After the computer turns off, reconnect the mouse cable as shown on the setup diagram.
4
Turn on the computer.
TEST THE MOUSE — Connect a properly working mouse to the computer, and then
try using the mouse.
C
HECK THE MOUSE SETTINGS —
Windows XP:
1
Click
Start
→
Control Panel
→
Mouse
.
2
Adjust the settings as needed.
Windows Vista:
1
Click
Start
→
Control Panel
→
Hardware and Sound
→
Mouse
.
2
Adjust the settings as needed.
REINSTALL THE MOUSE DRIVER — See "Drivers" in your User’s Guide.
R
UN THE HARDWARE TROUBLESHOOTER — See "Restoring Your Operating System"
in your User’s Guide.
Network Problems
CAUTION: Before you begin any of the procedures in this section, follow the
safety instructions in the
Product Information Guide
.
C
HECK THE NETWORK LIGHT ON THE FRONT OF THE COMPUTER — If the link
integrity light is off (see "Controls and Lights" in your User’s Guide), no network
communication is occurring. Replace the network cable.
C
HECK THE NETWORK CABLE CONNECTOR — Ensure that the network cable is
firmly inserted into the network connector on the back of the computer and the
network jack.
R
ESTART THE COMPUTER AND ATTEMPT TO LOG ON TO THE NETWORK AGAIN
CHECK YOUR NETWORK SETTINGS — Contact your network administrator or the
person who set up your network to verify that your network settings are correct and
that the network is functioning.
R
UN THE HARDWARE TROUBLESHOOTER — See "Restoring Your Operating System"
in your User’s Guide.
Quick Reference Guide 45

Power Problems
CAUTION: Before you begin any of the procedures in this section, follow the
safety instructions in the
Product Information Guide
.
I
F THE POWER LIGHT IS GREEN AND THE COMPUTER IS NOT RESPONDING — See
"Diagnostic Lights" on page 26.
I
F THE POWER LIGHT IS BLINKING GREEN — The computer is in standby mode.
Press a key on the keyboard, move the mouse, or press the power button to resume
normal operation.
I
F THE POWER LIGHT IS OFF — The computer is either turned off or is not receiving
power.
• Reseat the power cable in the power connector on the back of the computer and the
electrical outlet.
• Bypass power strips, power extension cables, and other power protection devices to
verify that the computer turns on properly.
• Ensure that any power strips being used are plugged into an electrical outlet and are
turned on.
• Ensure that the electrical outlet is working by testing it with another device, such as
alamp.
• Ensure that the main power cable and front panel cable are securely connected to the
system board (see "System Board Components"
in your User’s Guide
).
IF THE POWER LIGHT IS BLINKING AMBER — The computer is receiving electrical
power, but an internal power problem may exist.
• Ensure that the voltage selection switch is set to match the AC power at your location
(if applicable).
• Ensure that all components and cables are properly installed and securely connected
to the system board (see "System Board Components"
in your User’s Guide
).
IF THE POWER LIGHT IS STEADY AMBER — A device may be malfunctioning or
incorrectly installed.
• Remove and then reinstall all memory modules (see "Removing the Front Panel"
in
your User’s Guide
).
• Remove and then reinstall any expansion cards, including graphics cards (see "Cards"
in your User’s Guide
).
ELIMINATE INTERFERENCE — Some possible causes of interference are:
• Power, keyboard, and mouse extension cables
• Too many devices connected to the same power strip
• Multiple power strips connected to the same electrical outlet
46 Quick Reference Guide

Printer Problems
CAUTION: Before you begin any of the procedures in this section, follow the
safety instructions in the
Product Information Guide
.
NOTE: If you need technical assistance for your printer, contact the printer’s
manufacturer.
C
HECK THE PRINTER DOCUMENTATION — See the printer documentation for setup
and troubleshooting information.
E
NSURE THAT THE PRINTER IS TURNED ON
CHECK THE PRINTER CABLE CONNECTIONS —
• See the printer documentation for cable connection information.
• Ensure that the printer cables are securely connected to the printer and the computer.
TEST THE ELECTRICAL OUTLET — Ensure that the electrical outlet is working by
testing it with another device, such as a lamp.
V
ERIFY THAT THE PRINTER IS RECOGNIZED BY WINDOWS —
Windows XP:
1
Click
Start
→
Control Panel
→
Printers and Other Hardware
→
View installed
printers or fax printers
.
2
If the printer is listed, right-click the printer icon.
3
Click
Properties
→
Ports
. For a parallel printer, ensure that the
Print to the following
port(s):
setting is
LPT1 (Printer Port)
. For a USB printer, ensure that the
Print to the
following port(s):
setting is
USB
.
Windows Vista:
1
Click
Start
→
Control Panel
→
Hardware and Sound
→
Printer
.
2
If the printer is listed, right-click the printer icon.
3
Click
Properties,
and then click
Ports
.
4
Adjust the settings, as needed.
REINSTALL THE PRINTER DRIVER — See the printer documentation for information
on reinstalling the printer driver.
Scanner Problems
CAUTION: Before you begin any of the procedures in this section, follow the
safety instructions in the
Product Information Guide
.
NOTE: If you need technical assistance for your scanner, contact the scanner’s
manufacturer.
Quick Reference Guide 47

CHECK THE SCANNER DOCUMENTATION — See the scanner documentation for setup
and troubleshooting information.
U
NLOCK THE SCANNER — Ensure that your scanner is unlocked (if the scanner has
a locking tab or button).
R
ESTART THE COMPUTER AND TRY THE SCANNER AGAIN
CHECK THE CABLE CONNECTIONS —
• See the scanner documentation for information on cable connections.
• Ensure that the scanner cables are securely connected to the scanner and the computer.
VERIFY THAT THE SCANNER IS RECOGNIZED BY MICROSOFT WINDOWS —
Windows XP:
1
Click
Start
→
Control Panel
→
Printers and Other Hardware
→
Scanners and Cameras
.
2
If your scanner is listed, Windows recognizes the scanner.
Windows Vista:
1
Click
Start
→
Control Panel
→
Hardware and Sound
→
Scanners and Cameras
.
2
If the scanner is listed, Windows recognizes the scanner.
REINSTALL THE SCANNER DRIVER — See the scanner documentation for instructions.
Sound and Speaker Problems
CAUTION: Before you begin any of the procedures in this section, follow the
safety instructions in the
Product Information Guide
.
No sound from speakers
NOTE: The volume control in MP3 and other media players may override the Windows
volume setting. Always check to ensure that the volume on the media player(s) has
not been turned down or off.
C
HECK THE SPEAKER CABLE CONNECTIONS — Ensure that the speakers are connected
as shown on the setup diagram supplied with the speakers. If you purchased a sound
card, ensure that the speakers are connected to the card.
E
NSURE THAT THE SUBWOOFER AND THE SPEAKERS ARE TURNED ON — See the
setup diagram supplied with the speakers. If your speakers have volume controls,
adjust the volume, bass, or treble to eliminate distortion.
A
DJUST THE WINDOWS VOLUME CONTROL — Click or double-click the speaker icon
in the lower-right corner of your screen. Ensure that the volume is turned up and that
the sound is not muted.
D
ISCONNECT HEADPHONES FROM THE HEADPHONE CONNECTOR — Sound from the
speakers is automatically disabled when headphones are connected to the computer’s
front-panel headphone connector.
48 Quick Reference Guide

TEST THE ELECTRICAL OUTLET — Ensure that the electrical outlet is working by testing
it with another device, such as a lamp.
E
LIMINATE POSSIBLE INTERFERENCE — Turn off nearby fans, fluorescent lights, or
halogen lamps to check for interference.
R
UN THE SPEAKER DIAGNOSTICS
REINSTALL THE SOUND DRIVER — See "Drivers" in your User’s Guide.
R
UN THE HARDWARE TROUBLESHOOTER — See "Restoring Your Operating System"
in your User’s Guide.
No sound from headphones
CHECK THE HEADPHONE CABLE CONNECTION — Ensure that the headphone cable is
securely inserted into the headphone connector (see "About Your Computer" in your
User’s Guide).
A
DJUST THE WINDOWS VOLUME CONTROL — Click or double-click the speaker icon
in the lower-right corner of your screen. Ensure that the volume is turned up and that
the sound is not muted.
Video and Monitor Problems
CAUTION: Before you begin any of the procedures in this section, follow the
safety instructions in the
Product Information Guide
.
NOTICE: If your computer came with a PCI Express graphics card installed, removal
of the card is not necessary when installing additional graphics cards; however, the
card is required for troubleshooting purposes. If you remove the card, store it in a
safe and secure location. For information about your graphics card, go to
support.dell.com.
The screen is blank
NOTE: For troubleshooting procedures, see the monitor documentation.
C
HECK THE MONITOR CABLE CONNECTION —
• Ensure that the monitor cable is connected to the correct graphics card (for dual
graphics card configurations).
• If you are using a DVI-to-VGA adapter, ensure that the adapter is correctly attached to
the graphics card and monitor.
• Ensure that the monitor cable is connected as shown on the setup diagram for your
computer.
• Remove any video extension cables and connect the monitor directly to the computer.
Quick Reference Guide 49

• Swap the computer and monitor power cables to determine if the monitor’s power
cable is defective.
• Check the connectors for bent or broken pins (it is normal for monitor cable connectors
to have missing pins).
CHECK THE MONITOR POWER LIGHT —
• If the power light is lit or blinking, the monitor has power.
• If the power light is off, firmly press the button to ensure that the monitor is turned on.
• If the power light is blinking, press a key on the keyboard or move the mouse to resume
normal operation.
TEST THE ELECTRICAL OUTLET — Ensure that the electrical outlet is working by testing
it with another device, such as a lamp.
C
HECK THE DIAGNOSTIC LIGHTS — See "Diagnostic Lights" on page 26.
The screen is difficult to read
CHECK THE MONITOR CABLE CONNECTION —
• Ensure that the monitor cable is connected to the correct graphics card (for dual
graphics card configurations).
• If you are using the optional
DVI-to-VGA
adapter, ensure that the adapter is correctly
attached to the graphics card and monitor.
• Ensure that the monitor cable is connected as shown on the setup diagram for your
computer.
• Remove any video extension cables and connect the monitor directly to the computer.
• Swap the computer and monitor power cables to determine if the monitor’s power
cable is defective.
• Check the connectors for bent or broken pins (it is normal for monitor cable connectors
to have missing pins).
CHECK THE MONITOR POWER LIGHT —
• If the power light is lit or blinking, the monitor has power.
• If the power light is off, firmly press the button to ensure that the monitor is turned on.
• If the power light is blinking, press a key on the keyboard or move the mouse to resume
normal operation.
TEST THE ELECTRICAL OUTLET — Ensure that the electrical outlet is working by
testing it with another device, such as a lamp.
C
HECK THE DIAGNOSTIC LIGHTS — See "Diagnostic Lights" on page 26.
50 Quick Reference Guide

CHECK THE MONITOR SETTINGS — See the monitor documentation for instructions
on adjusting the contrast and brightness, demagnetizing (degaussing) the monitor,
and running the monitor self-test.
M
OVE THE SUBWOOFER AWAY FROM THE MONITOR — If your speaker system includes
a subwoofer, ensure that the subwoofer is positioned at least 60 centimeters (2 feet)
away from the monitor.
M
OVE THE MONITOR AWAY FROM EXTERNAL POWER SOURCES — Fans, fluorescent
lights, halogen lamps, and other electrical devices can cause the screen image to
appear shaky. Turn off nearby devices to check for interference.
R
OTATE THE MONITOR TO ELIMINATE SUNLIGHT GLARE AND POSSIBLE INTERFERENCE
ADJUST THE WINDOWS DISPLAY SETTINGS —
Windows XP:
1
Click
Start
→
Control Panel
→
Appearance and Themes
.
2
Click the area you want to change or click the
Display
icon.
3
Try different settings for
Color quality
and
Screen resolution
.
Windows Vista:
1
Click
Start
→
Control Panel
→
Hardware and Sound
→
Personalization
→
Display Settings
.
2
Adjust
Resolution
and
Colors settings,
as needed.
3D image quality is poor
CHECK THE GRAPHICS CARD POWER CABLE CONNECTION — Ensure that the power
cable for the graphics card(s) is correctly attached to the card.
C
HECK THE MONITOR SETTINGS — See the monitor documentation for instructions
on adjusting the contrast and brightness, demagnetizing (degaussing) the monitor,
and running the monitor self-test.
Only part of the screen is readable
TURN ON THE COMPUTER AND THE MONITOR AND ADJUST THE MONITOR
BRIGHTNESS AND CONTRAST CONTROLS — If the monitor works, the graphics
card(s) may be defective.
Contact Dell (see "Contacting Dell"
in your User’s Guide
).
Quick Reference Guide 51

52 Quick Reference Guide

Index
B
D
battery
Dell Diagnostics, 33
problems, 37
Dell support site, 7
beep codes, 30
Desktop System Software, 7
diagnostic lights, 26
diagnostics
C
beep codes, 30
CD-RW drive
Dell Diagnostics, 33
problems, 38
lights, 19, 26
Check Disk, 38
display. See monitor
computer
documentation
beep codes, 30
End User License
crashes, 42-43
Agreement, 6
stops responding, 42
ergonomics, 6
conflicts
online, 7
software and hardware
Product Information
incompatibilities, 32
Guide, 6
regulatory, 6
connectors
safety, 6
headphone, 19
User’s Guide, 5
IEEE 1394, 19, 21
warranty, 6
keyboard, 22
line-out, 21
Drivers and Utilities
mouse, 21
CD/DVD, 5
network adapter, 22
drives
parallel, 21
problems, 37
serial, 22
sound, 21
USB, 19, 22
Index 53

E
I
IEEE 1394
problems, 39
connectors, 19, 21
problems, 41
End User License Agreement, 6
Internet
ergonomics information, 6
problems, 39
error messages
IRQ conflicts, 32
beep codes, 30
diagnostic lights, 26
problems, 40
K
Express Service Code, 6
keyboard
connector, 22
problems, 42
F
Files and Settings Transfer
Wizard (Windows XP), 13
L
labels
Express Service Code, 6
H
Microsoft Windows, 6
hard drive
Service Tag, 6
activity light, 19
lights
problems, 38
back of computer, 26
hardware
diagnostic, 19, 26
beep codes, 30
hard drive activity, 19
conflicts, 32
link integrity, 21
Dell Diagnostics, 33
network, 21-22
Hardware Troubleshooter, 32
network activity, 22
headphone
connector, 19
Help and Support Center, 8
help file
Windows Help and Support
Center, 8
54 Index

M
P
memory
power
problems, 44
button, 19
line conditioners, 16
messages
problems, 46
error, 40
protection devices, 16
system, 31
surge protectors, 16
modem
UPS, 16
problems, 39
power light
monitor
conditions, 46
blank, 49
printer
hard to read, 50
connecting, 13
problems, 49
problems, 47
mouse
setting up, 13
connector, 21
problems
problems, 44
battery, 37
beep codes, 30
blue screen, 43
N
CD-RW drive, 38
network
computer crashes, 42-43
connector, 22
computer stops responding, 42
problems, 45
conflicts, 32
Dell Diagnostics, 33
diagnostic lights, 26
O
drives, 37
e-mail, 39
operating system
error messages, 40
reinstalling, 8
general, 42
Operating System
hard drive, 38
CD/DVD, 8
IEEE 1394, 41
optical drive
Internet, 39
problems, 38
keyboard, 42
memory, 44
modem, 39
Index 55

problems (continued)
sound connectors
monitor hard to read, 50
line-out, 21
monitor is blank, 49
support website, 7
mouse, 44
network, 45
optical drive, 38
T
power, 46
power light conditions, 46
transferring information to a new
printer, 47
computer
program crashes, 43
Files and Settings Transfer Wizard
program stops responding, 42
(Windows XP), 13
scanner, 47
Windows Easy Transfer
screen hard to read, 50
(Windows Vista), 16
screen is blank, 49
troubleshooting
software, 42-43
beep codes, 30
video and monitor, 49
conflicts, 32
volume adjusting, 48
Dell Diagnostics, 33
Product Information Guide, 6
diagnostic lights, 26
Hardware Troubleshooter, 32
Help and Support Center, 8
R
power lights, 24
problems, 36
regulatory information, 6
system messages, 31
S
U
S.M.A.R.T, 32
uninterruptible power supply.
safety instructions, 6
See UPS
scanner
UPS, 16
problems, 47-48
USB
screen. See monitor
connector, 22
Service Tag, 6
connectors, 19
software
User’s Guide, 5
conflicts, 32
problems, 42-43
56 Index

V
video
problems, 49
volume
adjusting, 48
W
warranty information, 6
Windows Vista
Help and Support Center, 8
reinstalling, 8
Windows Easy Transfer, 16
Windows XP
Files and Settings Transfer
Wizard, 13
Hardware Troubleshooter, 32
Help and Support Center, 8
reinstalling, 8
wizards
Files and Settings Transfer Wizard
(Windows XP), 13
Program Compatibility
Wizard, 43
Windows Easy Transfer
(Windows Vista), 16
Index 57

58 Index

Dell Precision™ T7400
Rövid referencia útmutató
Típus DCDO
www.dell.com | support.dell.com

Megjegyzések, figyelmeztetések és
óvintézkedések
MEGJEGYZÉS: A MEGJEGYZÉSEK a számítógép biztonságosabb és
hatékonyabb használatát elősegítő fontos tudnivalókat tartalmaznak.
FIGYELMEZTETÉS: A „FIGYELMEZTETÉS“ hardver-meghibásodás
vagy adatvesztés potenciális lehetőségére hívja fel a figyelmet, egyben
közli a probléma elkerülésének módját.
VIGYÁZAT! Az VIGYÁZAT esetleges tárgyi és személyi sérülésekre,
illetve életveszélyre hívják fel a figyelmet.
____________________
A jelen dokumentum tartalma előzetes figyelmeztetés nélkül megváltozhat.
© 2007 Dell Inc. Minden jog fenntartva.
A Dell Inc. írásos engedélye nélkül szigorúan tilos a dokumentumot bármiféle módon sokszorosítani.
A szövegben használt védjegyek: A Dell, a DELL embléma, és a Dell Precision a Dell Inc. védjegyei;
A Microsoft, Windows, és Windows Vista a Microsoft Corporation Egyesült Államokban és/vagy más
országokban bejegyzett védjegyei vagy bejegyzett védjegyei.
A dokumentumban más védjegyek és kereskedelmi megnevezések is szerepelhetnek, hivatkozásként
a márkák és megnevezések tulajdonosaira vagy termékeikre. A Dell Computer Corporation kizárólag
a saját védjegyeiből és bejegyzett neveiből eredő jogi igényeket érvényesíti.
Típus DCDO
2007. Szeptember A.sz. GX691 Mód. A00

