Here are some telltale signs your PSU is not long for this world.
you’ve got the option to test it with eithera dedicated PSU testeror usinga digital multimeter.
Here are some issues due to a failing PSU.
You canmeasure your PSU’s PG with a PSU tester.
Related:What Is Capacitor Aging in PSUs, and Should You Worry?
PSU fans are not meant to be user serviceable.
That faint whine noise comes from the transformer and coils inside the PSU.
A little noise isn’t a big deal and is sometimes unavoidable.
Despite a little increase in noise, the PSU might work for years and years without issue.
