My PC turned off while playing

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jnraj

jnraj

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Oct 5, 2013
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My PC specs
i5 4670k
asus z87 pro
asus gtx 760
psu corsair hx650
gskill trident x 8 gb ram
samsung ssd 840evo
seagate 500gb barracuda
liteon bluray writer
assembled within coolermaster storm enforcer

This is the second problem I'm facing with the PC. PC was assembled one week before.
Earlier a similar problem occurred and the wouldn't turn on. (The power button on the motherboard blinked and turned off and it repeated) I suspected the psu and tested it everything was ok with another system. I also reset MB bios the system didn't turn on. To my surprise the pc turned on when i pushed the power button for the last time.



Till then the pc was working fine until today while I was playing assassin's creed black flag and the pc suddenly shutdown. (the pc was up for almost 4 hours) now the problem is when i turn on the psu the power button on the motherboard is glowing red but the led on the graphics card lightsup and turns off. I did reset the motherboard still in vain.. help me to diagnose the pc.
 
Solution
Tom Tancredi
Can be any number of things from bad parts, to miswiring, to a short, to simply you keep overheating it. NEVER WORRY ABOUT GETTING WINDOWS TO WORK when building a PC. ALWAYS just test to BIOS.

Sorry but the easiest solution at this point is to COMPLETELY disassemble the computer and lets start the process over again correctly, since we have a non working computer and don't know 'what' is causing it to 'break'.

Take everything out of the case and OFF the motherboard, this includes removing the mobo. Place Mobo empty on cardboard box or piece of wood (this is called BREADBOARDING). Insert one stick of RAM only, insert the CPU and FAN, connect to onboard GPU, connect power switch from case to Mobo and PSU power connects to MObo only...
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Tom Tancredi

Tom Tancredi

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May 9, 2013
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Can be any number of things from bad parts, to miswiring, to a short, to simply you keep overheating it. NEVER WORRY ABOUT GETTING WINDOWS TO WORK when building a PC. ALWAYS just test to BIOS.

Sorry but the easiest solution at this point is to COMPLETELY disassemble the computer and lets start the process over again correctly, since we have a non working computer and don't know 'what' is causing it to 'break'.

Take everything out of the case and OFF the motherboard, this includes removing the mobo. Place Mobo empty on cardboard box or piece of wood (this is called BREADBOARDING). Insert one stick of RAM only, insert the CPU and FAN, connect to onboard GPU, connect power switch from case to Mobo and PSU power connects to MObo only. Can you get to BIOS ? If NO then one of these pieces (PSU, Mobo, CPU or RAM) is defective now. Swap the RAM to different slots and test, can you get to BIOS. If not, then test with the other RAM same test. If still no then potentially the CPU, PSU or Mobo. To test Mobo, remove RAM, does it beep the error code for problem with RAM? If not MOBO is hosed. Remove power from wall then remove the battery on the Mobo. WAIT 10 MINUTES. Plug in battery then Power in wall, does it now error on RAM? If no Mobo DEAD or CPU.

RAM Passes and get to BIOS? Okay try with both stick in, make sure they are in DUAL Channel configuration can you get to BIOS? Yes? Great, connect the SSD (assuming it is OS), boot to Windows? Then connect Barracuda, Rebooted and can see in Windows ? Great. Unplug both drives.

Plug in GPU, go into BIOS and set GPU first not Integrated Graphics. Reboot and reconnect to GPU, can you get to BIOS? Yes, then plug in SSD, again get to Windows? Then again try with Barracuda, can get to Windows? Okay reboot and reset back the BIOS to IG. Unplug GPU and Drives, power switch and PSU.

Seat Mobo in case, plug into IG (onboard video) connect power switch and PSU connection (don't mount the PSU YET), and can you get BIOS with Mobo mounted? If so unplug PSU and mount PSU, now plug in PSU and retest? Still good to BIOS? Now plug in GPU, test to BIOS, then switch BIOS setting to GPU not IG. Reboot, swap cable to GPU, does it still get to BIOS now? Then move to each drive.


DO NOT SPEED THROUGH THIS< DO NOT SKIP STEPS < DO NOT 'believe' SOMETHING IS OKAY - PROVE it works!

Somewhere in this method you will either fix your error or find the problem part.
 
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Solution
jnraj

jnraj

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Oct 5, 2013
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Hi Tom Tancredi, thanks for the reply, what if the psu is faulty even after the pin shorting test. Any way I'm going to do a full disassemble. Wait for my reply.
 
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jnraj

jnraj

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Oct 5, 2013
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Hi Tom Tancredi, thanks for the reply, what if the psu is faulty even after the pin shorting test. Any way I'm going to do a full disassemble. Wait for my reply.
 
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Tom Tancredi

Tom Tancredi

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May 9, 2013
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If the PSU is faulty, normally you would see it when you breadboard (as I noted your limited on the parts broken at that point), or when you 'underload' like when we evoke GPU plus HDDs plus Windows, etc. suddenly having issues. As long as you made sure the Video Card requirements for PSU are met the rest of the system should be no more then 50-100W additional for safety concern. There is a few websites PC Power Consumption Calculator that you can input the parts and it will tell you the Watts you do use.
 
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jnraj

jnraj

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Oct 5, 2013
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The PSU isn't faulty, I tested the PSU with another PC and is OK. so I did exactly as you told.
Outside on a cardboard
motherboard
1 ram module
cpu
and given the power supply and tried to up the system. No change. I did test the RAM module in another PC and was ok. so I suspect a motherboard or CPU fault. Thanks for the reply. Need to contact the re-seller as soon as possible so as to verify the component.
nb:Since the board comes with CPU and memory fault detection system (leds). and they aren't lighting up (and also no beep is heard from the buzzer when no ram is connected) . so can I conclude that the issue is with the motherboard. Thanks. The board is just a week and half old, do you expect to get an RMA replacement for this issue? Thanks
 
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jnraj

jnraj

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Oct 5, 2013
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Hi, tom I rechecked the system today and it started showing the earlier symptom "blinking power button on the mobo". Earlier when this happened for the first time, the PC turned on after a while so there is a chance for the system to boot up again but these symptoms are frustrating me and I can't handle such repeated occurrences. what do you mean by neglect from my part. I have been running the system at stock clocks and haven't tried overclocking yet. :??:
 
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jnraj

jnraj

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Oct 5, 2013
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sorry for the delayed reply.
update: forgot to post, the problem was with my mobo, got it replaced under warranty, thanks for helping

 
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