4. Select the
Boot from CD-ROM
option from the menu that appears and press <Enter>.
5. Type
1
to start the menu and press <Enter> to proceed.
6. Select
Run the 32 Bit Dell Diagnostics
from the numbered list. If multiple versions are listed, select the version
appropriate for your computer.
7. When the Dell Diagnostics
Main Menu
appears, select the test you want to run.
Dell Diagnostics Main Menu
1. After the Dell Diagnostics loads and the
Main
Menu
screen appears, click the button for the option you want.
Option
Function
Express
Test
Performs a quick test of devices. This test typically takes 10 to 20 minutes and requires no interaction on your
part. Run
Express Test
first to increase the possibility of tracing the problem quickly.
Extended
Test
Performs a thorough check of devices. This test typically takes 1 hour or more and requires you to answer
questions periodically.
Custom
Test
Tests a specific device. You can customize the tests you want to run.
Symptom
Tree
Lists the most common symptoms encountered and allows you to select a test based on the symptom of the
problem you are having.
2. If a problem is encountered during a test, a message appears with an error code and a description of the problem.
Write down the error code and problem description and follow the instructions on the screen.
3. If you run a test from the
Custom Test
or
Symptom Tree
option, click the applicable tab described in the following
table for more information.
Tab
Function
Results
Displays the results of the test and any error conditions encountered.
Errors
Displays error conditions encountered, error codes, and the problem description.
Help
Describes the test and may indicate requirements for running the test.
Configuration Displays your hardware configuration for the selected device.
The Dell Diagnostics obtains configuration information for all devices from system setup, memory, and
various internal tests, and it displays the information in the device list in the left pane of the screen. The
device list may not display the names of all the components installed on your computer or all devices
attached to your computer.
Parameters
Allows you to customize the test by changing the test settings.
4. When the tests are completed, if you are running the Dell Diagnostics from the
Drivers and Utilities
disc, remove the
disc.
5. Close the test screen to return to the
Main
Menu
screen. To exit the Dell Diagnostics and restart the computer, close
the
Main
Menu
screen.
Power Button Light Codes
The diagnostic lights give much more information about the system state, but legacy power light states are also supported in
your computer. The power light states are shown in following table.
Power
Light
State
Description
Off
Содержание OptiPlex 780
Страница 2: ......
Страница 26: ...7 Lift the hard drive and remove it from the system ...
Страница 29: ...4 Pull up on the drive release latch and then slide the floppy drive towards the back of the computer ...
Страница 30: ...5 Lift the floppy drive up and away from the computer ...
Страница 37: ...7 Release the processor power connector cable from routing guides under the system board ...
Страница 38: ...8 Remove the screws that secure the power supply to the back of the chassis ...
Страница 40: ...10 Lift the power supply up and away from the computer ...
Страница 43: ...4 Lift the fan and remove it from the computer ...
Страница 44: ...Replacing the Fan To replace the fan perform the above steps in reverse order Back to Contents Page ...
Страница 46: ...6 Disconnect the fan power cable 7 Disconnect the main power cable from the system board ...
Страница 47: ...8 Disconnect the IO panel cable ...
Страница 48: ...9 Disconnect the optical drive data cable from the system board ...
Страница 49: ...10 Disconnect the hard drive data cable from the system board ...
Страница 50: ...11 Disconnect the processor power cable ...
Страница 51: ...12 Remove the screws that secure the system board to the computer chassis ...
Страница 52: ...13 Remove the heat sink assembly bracket ...
Страница 56: ...4 Lift the drive release latch and then slide the drive towards the back of the computer ...
Страница 57: ...5 Lift and remove the drive from the computer ...
Страница 61: ...6 Lift the hard drive and remove it from the computer ...
Страница 64: ...4 Gently pull the riser cage handle and lift the riser cage up and away from the computer ...
Страница 65: ...5 On the riser cage rotate the card retention latch upward ...
Страница 69: ......
Страница 71: ...3 Rotate the heat sink upwards 4 Lift the heat sink and remove it from the computer ...
Страница 73: ...6 Lift the processor cover ...
Страница 74: ...7 Remove the processor from the computer ...
Страница 79: ...4 Gently rotate the IO panel away from the computer and then remove it from the computer ...
Страница 80: ...Replacing the IO Panel To replace the IO panel perform the above steps in reverse order Back to Contents Page ...