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Computer Power-Cycling
Vegemyte
Registered User regular
Registered User regular
Hi! I recently bought a bunch of new computer hardware but, having put it all together, it won't work. Also, having pulled it apart to get the basics to work... well, it still won't work.
Processor: Intel i5-6600K
Fan: Coolermaster Hyper 103
Motherboard: Gigabyte Z170-D3H
PSU: Corsair CX500
Nothing else is connected at the moment; not even RAM (though, I did try powering with RAM - no dice).
It turns on, fans whirr, LEDs light up, but this only lasts for ~8 seconds before powering down again. I've tried another PSU, so I can rule that out. I've tried another motherboard/cpu/fan setup in the case, so I can rule that out.
I've tried about 10 times to reseat the motherboard, but always get the same result. I've tried reseating the fan and CPU, but still get the same result. There are no bent pins on the CPU socket, and I haven't had the smoke of doom come out from the CPU. I've looked up the manual for the motherboard, but it has no troubleshooting tips. I'm all out of ideas, so if you have any, please let me know!
Processor: Intel i5-6600K
Fan: Coolermaster Hyper 103
Motherboard: Gigabyte Z170-D3H
PSU: Corsair CX500
Nothing else is connected at the moment; not even RAM (though, I did try powering with RAM - no dice).
It turns on, fans whirr, LEDs light up, but this only lasts for ~8 seconds before powering down again. I've tried another PSU, so I can rule that out. I've tried another motherboard/cpu/fan setup in the case, so I can rule that out.
I've tried about 10 times to reseat the motherboard, but always get the same result. I've tried reseating the fan and CPU, but still get the same result. There are no bent pins on the CPU socket, and I haven't had the smoke of doom come out from the CPU. I've looked up the manual for the motherboard, but it has no troubleshooting tips. I'm all out of ideas, so if you have any, please let me know!
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Have you checked to make sure that the Hyper 103 is really installed correctly? I once put a heatsink and fan combo on and missed one of the side connections, so it wasn't held properly flush against the CPU, which caused similar problems.
You've applied thermal grease to the Hyper 103 / CPU connection, right?
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Make sure that you lifted the locking bar on the CPU socket, before putting the CPU and heat sink/cooler on.
(I didn't read the tiny pamphlet right and missed this step. Somehow it all went on anyway, but it was very tight; fortunately I figured things out before trying to power it up.)
Edit: Alternatively, disconnect all of the front panel wires and any additional usb channels. Only connect the power_switch.
Edit2: Alternatively alternatively, use the cmos jumper and reset the bios to defaults.
Edit3: Hardware - especially motherboards - ships dead all the time, if you're in doubt just RMA it if you can test everything else and verify it works in another machine. The vendor probably wont even ask a question.
Just want to make sure I'm understanding this. You tried a different (known working) PSU with your new CPU/fan/motherboard and it keeps resetting. Then you tried the new PSU with a different (known working) CPU/fan/motherboard and it keeps resetting also. That right?
If so, definitely seems like a grounding issue with the case or something.
Unless you got really really unlucky and ended up with a bad PSU and mobo whose failures yield the same result.
Edit: Or something uncommon like a bad power cord if you're using the same one on both tests.
I cleaned off the thermal grease I applied (rather shoddily, I might add) and tried again (should also note: I *did* clean off the first batch of thermal grease using isopropyl alcohol and a cloth *first*, before trying again), this time just putting a small pea-sized glob on the middle of the CPU and let the heatsink spread it out. Still no luck. I had a look at the manual and I can't see what I've done wrong, but I'll keep looking.
Locking bar? You mean the lever? I lifted that, put the CPU in, had it locked under the bolt before putting the lever back to it's original position - not sure if I've missed something else as well but I'll give it another shot at this point.
I have four risers and I've put them in fine (at least, they've worked for the other motherboard I have on hand). I've tried using the CMOS jumper too.
I might just ship it back, put I'd rather not go through the hassle unless I've tried everything! Thanks for the responses!
Yeah, I've tried two working PSUs with this new motherboard, and both with the old one. They both work for the old one, only the new motherboard is resetting. I am using the same kettle cord for both - I might try the newer one, but I'm also going to look through the case for any shorts I might've missed because at this point I'm all out of ideas relating to the CPU and Motherboard themselves.
Aside from that, I have no ideas. I suppose you don't have an old compatible processor at hand to further narrow down the problem. You could also unplug all drives and see if you can get to a bootable device error or if it still just cycles.
CPU fan is spinning up and connected appropriately? All the jumper clips are present and in default position?
Essentially every error would give a beep code except it not even trying to post. I'd go through the manual for a schematic of the jumpers and go through them individually to make sure they're all present and in default position, check the cmos battery to make sure it's seated properly and then sleep on it for a few nights and if nothing else stupid came to mind, return the board.
Edit: Though that does sound a lot like what happens when you power up with the bios reset jumper in the wrong position.
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I had this problem a few months ago -- everything spins up, but no beep codes, no boot. In my case reseating the RAM fixed it.
Ended up being my PSU (and motherboard for that matter).
But this is a good troubleshooting list for boot/post problems:
http://www.tomshardware.com/forum/261145-31-perform-steps-posting-post-boot-video-problems