Troubleshooting
Topics:
•
Dell SupportAssist Pre-boot System Performance Check diagnostics
•
•
•
•
Recovering the operating system
•
Backup media and recovery options
•
Dell SupportAssist Pre-boot System Performance
Check diagnostics
SupportAssist diagnostics (also known as system diagnostics) performs a complete check of your hardware. The Dell
SupportAssist Pre-boot System Performance Check diagnostics is embedded with the BIOS and is launched by the BIOS
internally. The embedded system diagnostics provides a set of options for particular devices or device groups allowing you to:
●
Run tests automatically or in an interactive mode
●
Repeat tests
●
Display or save test results
●
Run thorough tests to introduce additional test options to provide extra information about the failed device(s)
●
View status messages that inform you if tests are completed successfully
●
View error messages that inform you of problems encountered during testing
NOTE:
Some tests for specific devices require user interaction. Always ensure that you are present at the computer
terminal when the diagnostic tests are performed.
For more information, see
https://www.dell.com/support/kbdoc/000180971
.
Running the SupportAssist Pre-Boot System Performance Check
1. Turn on your computer.
2. As the computer boots, press the F12 key as the Dell logo appears.
3. On the boot menu screen, select the
Diagnostics
option.
4. Click the arrow at the bottom left corner.
Diagnostics front page is displayed.
5. Click the arrow in the lower-right corner to go to the page listing.
The items detected are listed.
6. To run a diagnostic test on a specific device, press Esc and click
Yes
to stop the diagnostic test.
7. Select the device from the left pane and click
Run Tests
.
8. If there are any issues, error codes are displayed.
Note the error code and validation number and contact Dell.
Diagnostics
The computer POST (Power On Self Test) ensures that it meets the basic computer requirements and the hardware is working
appropriately before the boot process begins. If the computer passes the POST, the computer continues to start in a normal
5
74
Troubleshooting
Содержание D10U
Страница 1: ...OptiPlex 3070 Tower Service Manual 1 Regulatory Model D10U Regulatory Type D10U003 March 2021 Rev A01 ...
Страница 21: ...Closing front panel door 1 Turn the front panel door to close it Removing and installing components 21 ...
Страница 23: ...d Remove the 3 5 inch hard drive out of the system Removing and installing components 23 ...
Страница 50: ...5 Pull the power button out from the computer 50 Removing and installing components ...
Страница 69: ...b Slide and lift the system board away from the computer 1 2 Removing and installing components 69 ...
Страница 71: ...3 Replace the screws to secure the system board to the computer 1 Removing and installing components 71 ...