I have to agree with everyone suggesting the PSU as the culprit.
However there is another power source that everyone needs to consider, and that is the source entering your home, apt, or whatever. Power glitches are very common and have been for several decades. All it may take to cause a power interruption is perhaps and air conditioner kicking on or a refrigerator, anything requiring high amperage that may overload the breaker box for a brief moment. Example; When we were first married we had a 25 cubic foot chest type freezer and less than 1 month after the warranty went out the compressor failed. Fortunately it was an Amana and they still honored the warranty and replaced the compressor if we paid the labor. What caused the compressor to fail was constant low voltage coming into our rented home.
Check your power source at the breaker box. We now own our home and have two 200 Amp breaker boxes for over 3000 sq ft. Three 25+ cubic feet chest type freezers and one 18 ft upright freezer, 2two 18 ft refrigerators and 2 dorm refrigerators, two large central air units, and numerous other appliances including the 4 desktops that run most days. All is fine unless the power company has a problem.
A lot of things to consider, the wiring of your home, is the breaker box large enough to handle all loads when devices require power. If you live in an apartment it could simply be a neighbor statring a blender that will exceed the overall amperage and cause power glitches.
Please take this into consideration. It can cause major headaches.
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