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Dell SupportAssist Pre-boot System Performance
Check diagnostics
About this task
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 within the BIOS and launched by the BIOS
internally. The embedded system diagnostics provides options for particular devices or device groups allowing you to:
● Run tests automatically or in an interactive mode.
● Repeat the tests.
● Display or save test results.
● Run thorough tests to add more options and obtain details about any failed devices.
● View status messages that inform you when the 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 when
the diagnostic tests are performed.
For more information, see the knowledge base article 000181163.
Running the SupportAssist Pre-Boot System Performance Check
Steps
1. Turn on your computer.
2. As the computer boots, press the F12 key.
3. On the boot menu screen, select Diagnostics.
The diagnostic quick test begins.
NOTE:
For more information about running the SupportAssist Pre-Boot System Performance Check on a specific
device, see Dell Support Site,
4. If there are any issues, error codes are displayed.
Note the error code and validation number and contact Dell.
Built-in self-test (BIST)
(Motherboard Built-In Self-Test) M-BIST
M-BIST is the system board built-in self-test diagnostics tool that improves the diagnostics accuracy of system board
Embedded Controller (EC) failures.
NOTE: M-BIST can be manually initiated before Power On Self-Test (POST).
How to run M-BIST
NOTE: Before initiating M-BIST, ensure that the computer is in a power-off state.
1. Press and hold both the M key and the power button to initiate M-BIST.
2. The battery indicator LED may exhibit two states:
● Off: No fault was detected.
● Amber and White: Indicates a problem with the system board.
3. If there is a failure with the system board, the battery status LED flashes one of the following error codes for 30 seconds:
Troubleshooting
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Productinformatie
| Merk | Dell |
| Model | Precision 5690 |
| Categorie | Laptop |
| Taal | Nederlands |
| Grootte | 67669 MB |
