Recommended · for some experience
How to Use multimeter DIODE MODE to find ANY motherboard fault.
Why people recommend it
Jessa Jones shows diode mode measurements on an unpowered board compared against a known good one to locate faults; often cited in board repair questions.
Watch for: needs a known good board for reference values
In their words
How to Use multimeter DIODE MODE to find ANY motherboard fault - Jessa Jones
Nick Gammon on electronics.stackexchange.com, Apr 2018. CC BY-SA.
This video [video] shows someone using the diode mode to measure the values.
Hadley Siqueira on electronics.stackexchange.com, May 2022. CC BY-SA.
I've seen that people use diode mode for testing and diagnosing complete boards not just for testing diodes (example).
apadana on electronics.stackexchange.com, May 2020. CC BY-SA.
