System Board Built-In Self-Test (M-Bist); Display Panel Power Rail Built-In Self-Test (L-Bist) - Dell Latitude 5320 Service Manual
Hide thumbs
Also See for Latitude 5320:
- Service manual (77 pages) ,
- Setup and specifications manual (30 pages) ,
- Setup and specifications (23 pages)
Table of Contents
Advertisement
System board built-in self-test (M-BIST)
About this task
Steps
1. Press and hold both the M key and the power button to initiate M-BIST.
2. The battery-status light illuminates in amber when there is a system board failure.
3. Replace the system board to fix the issue.
NOTE:
The battery status LED does not illuminate if the system board is functioning properly.
Display panel power rail built-in self-test (L-BIST)
About this task
Next steps
L-BIST (LCD Power Rail Test) is an enhancement to the single LED error code diagnostics and is automatically initiated
during POST. L-BIST isolates if the LCD is receiving power from the system board. L-BIST checks if the system board is
supplying power to the LCD by performing an LCD Power Rail test. If there is no power going to the LCD, the battery status
LED flashes a [2,8] LED error code.
110
Troubleshooting
Advertisement
Table of Contents
Need help?
Do you have a question about the Latitude 5320 and is the answer not in the manual?
Questions and answers