My motherboard was working fine until I unplugged the monitor and 2 hours after that turned off the pc as well. I havent used the computer since then but I woke up to the blue LED power button blinking so I tried to turn it off and it did, it would however not start up again.
While I had it open trying to fix or find what was wrong the LED started blinking again randomly and the PSU fan was twitching, then It stopped doing that and hasnt done it since. I tested the PSU on an older computer of mine and it power it up and stays on just fine, out of curiosity I removed the cmos battery and put a different one in from the same model of motherboard which I had laying around, and this let me start up the computer just fine.. until when I leave it off for like 30 -45 minutes it wont turn back on again unless I swap it again. Im dumbfounded on this issue and tried searching for problems similar to it and couldnt find anything.
Specs
PROCESSOR Intel Pentium G3258 3.2GHz Dual-Core Processor
Cooler Master Hyper 212 Plus 76.8 CFM Sleeve Bearing CPU Cooler
MOBO ASRock H81 Pro BTC ATX LGA1150 Motherboard
2x G.Skill Ripjaws Series 4GB (1 x 4GB) DDR3-1333 Memory
HDDHitachi Ultrastar 750GB 3.5" 7200RPM Internal Hard Drive
GPUEVGA GeForce GTX 750 Ti 2GB Superclocked Video Card
CASE Apevia X-Trooper-Jr (Black) ATX Mid Tower Case
PSU Corsair Builder 500W 80+ Bronze Certified ATX Power Supply
What I've tried: I tried to start it with even just the PSU hooked up to the motherboard and powering it on and it wouldnt start
a few other things here and there that have yielded little results aswell
While I had it open trying to fix or find what was wrong the LED started blinking again randomly and the PSU fan was twitching, then It stopped doing that and hasnt done it since. I tested the PSU on an older computer of mine and it power it up and stays on just fine, out of curiosity I removed the cmos battery and put a different one in from the same model of motherboard which I had laying around, and this let me start up the computer just fine.. until when I leave it off for like 30 -45 minutes it wont turn back on again unless I swap it again. Im dumbfounded on this issue and tried searching for problems similar to it and couldnt find anything.
Specs
PROCESSOR Intel Pentium G3258 3.2GHz Dual-Core Processor
Cooler Master Hyper 212 Plus 76.8 CFM Sleeve Bearing CPU Cooler
MOBO ASRock H81 Pro BTC ATX LGA1150 Motherboard
2x G.Skill Ripjaws Series 4GB (1 x 4GB) DDR3-1333 Memory
HDDHitachi Ultrastar 750GB 3.5" 7200RPM Internal Hard Drive
GPUEVGA GeForce GTX 750 Ti 2GB Superclocked Video Card
CASE Apevia X-Trooper-Jr (Black) ATX Mid Tower Case
PSU Corsair Builder 500W 80+ Bronze Certified ATX Power Supply
What I've tried: I tried to start it with even just the PSU hooked up to the motherboard and powering it on and it wouldnt start
a few other things here and there that have yielded little results aswell
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