Hey guys,
Thought I'd come here since this is the best place for general questions about PC's it seems! This thread I have made for a friend on her behalf.
Here's the predicament...
PC was turned on one day and working fine, then the next day it struggled to turn on until it stayed on after a few attempts. The day after that, it went into a reboot loop, booted up but restarted itself after about 2-5 seconds. During this time there was no power to the screens, keyboard or mouse.
Eventually after a lot of fiddling around the PC would stay on but power to the peripherals would remain unpowered.
We originally thought this was most likely a dead motherboard, due to the reboot loop and no power to peripherals. Fans and everything inside the PC would stay on, no beeps were heard or noticed (potentially because the motherboard had no speaker?). My friend bought a new Motherboard and installed it today, but we are stuck in the same circumstance, which brings me here.
Current motherboard (new): B85-G43 GAMING MSi
Old motherboard: Z87-G45 GAMING MSi
CPU: intel i5 4670k
GPU: GTX 750ti Superclocked EVGA
Power Supply: Corsair RM750
RAM: 8GB Corsair Vengeance
This is what we have tried so far with results in brackets:
- Booting without GPU (PC stays on but no power to monitor or peripherals)
- Reseting CMOS Battery (as above)
- Booting without CMOS Battery (as above)
- Resetting CMOS via button (as above)
- Removing power cord and holding power button for 1 minute ((as above)
- Booting with 1 RAM stick at a time (as above)
- Booting with different hard drives (as above)
- Booting with 1 RAM and GPU (as above)
- Booting with no RAM at all (as above)
- Making sure all cables are plugged in properly and securely (as above)
After installing the new motherboard the results were the same as above.
Things we have not tested:
- Changing PSU or CPU as there are no spares to test with
At this point we've basically ruled out the motherboard now as the results are the same. Unless of course she received a faulty new motherboard with the exact same issues. Which seems unlikely...
I think it is reasonable to assume that the Power supply would be the issue now? Though I have heard RAM is a big possibility too with CPU as another, but very unlikely. Looking for some input on this as we have been unable to diagnose the problem
Needing some serious help here, anything is appreciated!
Cheers
Thought I'd come here since this is the best place for general questions about PC's it seems! This thread I have made for a friend on her behalf.
Here's the predicament...
PC was turned on one day and working fine, then the next day it struggled to turn on until it stayed on after a few attempts. The day after that, it went into a reboot loop, booted up but restarted itself after about 2-5 seconds. During this time there was no power to the screens, keyboard or mouse.
Eventually after a lot of fiddling around the PC would stay on but power to the peripherals would remain unpowered.
We originally thought this was most likely a dead motherboard, due to the reboot loop and no power to peripherals. Fans and everything inside the PC would stay on, no beeps were heard or noticed (potentially because the motherboard had no speaker?). My friend bought a new Motherboard and installed it today, but we are stuck in the same circumstance, which brings me here.
Current motherboard (new): B85-G43 GAMING MSi
Old motherboard: Z87-G45 GAMING MSi
CPU: intel i5 4670k
GPU: GTX 750ti Superclocked EVGA
Power Supply: Corsair RM750
RAM: 8GB Corsair Vengeance
This is what we have tried so far with results in brackets:
- Booting without GPU (PC stays on but no power to monitor or peripherals)
- Reseting CMOS Battery (as above)
- Booting without CMOS Battery (as above)
- Resetting CMOS via button (as above)
- Removing power cord and holding power button for 1 minute ((as above)
- Booting with 1 RAM stick at a time (as above)
- Booting with different hard drives (as above)
- Booting with 1 RAM and GPU (as above)
- Booting with no RAM at all (as above)
- Making sure all cables are plugged in properly and securely (as above)
After installing the new motherboard the results were the same as above.
Things we have not tested:
- Changing PSU or CPU as there are no spares to test with
At this point we've basically ruled out the motherboard now as the results are the same. Unless of course she received a faulty new motherboard with the exact same issues. Which seems unlikely...
I think it is reasonable to assume that the Power supply would be the issue now? Though I have heard RAM is a big possibility too with CPU as another, but very unlikely. Looking for some input on this as we have been unable to diagnose the problem
Needing some serious help here, anything is appreciated!
Cheers
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