Dell Latitude 7424 Rugged Extreme Service Manual page 145

2. Navigate to https://www.dell.com/support/diagnose/Pre-boot-Analysis.
3. Enter error code, validation code, and service tag. Part serial number is optional.
NOTE: For error code, use only the last 3 or 4 digits of the code. (user can enter 0142 or 142 instead of 2000–0142.)
4. Click on Submit once all the necessary information is entered.
Diagnostics 145