Question My PC randomly reboots and black screens, but only in my home ?

[Arzhanghm]

So pc reboots mostly in game sometimes in just seating as well i tried every suggestion and no results then i took it to the shop never restarted there they tested it for 4 days then i brought it home but random reboot happened again i took the pc to the shop they tested it for another 4 days no reboots so can this be related to my rooms outlet or even the apartment electrical system ?
My pc
Cpu i7 9700k
Gpu rtx2070 super gaming trio x msi
Ram 32gb 3600mgh gskill ddr4
Psu 750w silverstone platinum
Mobo asus prime z390 a
Storage adata xpg 256gb + 2tb hdd

 

[Cyberat_88]

Yes, it can be but the solution is easy, get a UPS system that can carry the Wattage of all your PC related devices together.
Brownouts are more often damaging than lightning because standard surge plugs do nothing to stop them.