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Do i have a DOA cpu/motherboard?

melvis

melvis

melvis

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ok so my new haswell mobo and cpu arrived yesterday, i just put it together this afternoon, all the other components are from my existing working signature rig

Gigabyte Z87N-WIFI and a i5-4670k assembled it with 8 gig of kingston hyperx from my i5-750, i assembled it outside of the case for a test run and nothing, the cpu fan spins up for a split second then stops, tried reseating the cpu, tried with 1 stick at a time of ram and still nothing, tried with only the cpu and ram installed but no luck, so i reassembled my old rig and all works fine again, so the reused components all check out fine, so im pretty sure its either the mobo or cpu. anything obvious i missed that I should try before i rma, or a way to figure out which of the two is at fault?
 
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melvis said:
ok so my new haswell mobo and cpu arrived yesterday, i just put it together this afternoon, all the other components are from my existing working signature rig

Gigabyte Z87N-WIFI and a i5-4670k assembled it with 8 gig of kingston hyperx from my i5-750, i assembled it outside of the case for a test run and nothing, the cpu fan spins up for a split second then stops, tried reseating the cpu, tried with 1 stick at a time of ram and still nothing, tried with only the cpu and ram installed but no luck, so i reassembled my old rig and all works fine again, so the reused components all check out fine, so im pretty sure its either the mobo or cpu. anything obvious i missed that I should try before i rma, or a way to figure out which of the two is at fault?
Click to expand...

Have you connected the 4 pin power cables to the board - can easily be missed. Have you over tightened the cpu cooler? Check the cpu pins on the mobo - any bent ones? Sure the 24 pin cable was fully seated. Just a few suggestions.

Mark
 
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tipes said:
Have you connected both 8 pin power cables to the board - can easily be missed. Have you over tightened the cpu cooler? Check the cpu pins on the mobo - any bent ones? Sure the 24 pin cable was fully seated. Just a few suggestions.

Mark
Click to expand...

Both 8 pin power cables? There is a 4 pin power connector and a 24 pin power connector. :confused:
 
Same exact thing happened to me with my extreme. Not happy and bought another set as I don't have any other CPUs or 1150 mobos to check with.
 
acme15 said:
Both 8 pin power cables? There is a 4 pin power connector and a 24 pin power connector. :confused:
Click to expand...

Oops you are quite correct of course - not sure what I was thinking. Still need to check the 4 pin power was connected.
Have now corrected my original post.

Mark
 
aye 4 all the power cables were properly connected, im only using the stock intel one while im testing, cant overtighten those crappy push pins :)

ill give the mobo pins a look tomorrow. cheers
 
melvis said:
aye 4 all the power cables were properly connected, im only using the stock intel one while im testing, cant overtighten those crappy push pins :)

ill give the mobo pins a look tomorrow. cheers
Click to expand...

Look forward to the next update. Hope we can help you sort this.
 
just had a long inspect of the mobo socket, but no bent pins, still the same symptoms when i try and boot it, wish i knew someone with another haswell i could switch out to see whether its mobo or cpu, bit of a pain rmaing both when only one of them is probably at fault.
 
do you have a spare psu to try? even if it worked fine on your old board chances are haswell will be picky when it comes to power supplies

best to borrow one if you can
 
melvis said:
just had a long inspect of the mobo socket, but no bent pins, still the same symptoms when i try and boot it, wish i knew someone with another haswell i could switch out to see whether its mobo or cpu, bit of a pain rmaing both when only one of them is probably at fault.
Click to expand...

Seems you have no choice now but to RMA both the board and chip - I feel your pain, bad luck. Hope you get the replacements quickly, and you can put all this behind you.

Mark
 
I have never heard of a CPU arriving DOA or even dieing (for a VERY long time) without someone handling it incorrectly, overvolting/overheating it to ridiculous levels for elongated amounts of time, or physically damaging it.

If your only possibilities are the CPU and the board, i'll say with confidence that it is the board.
 
yea thats my guess too, but on the offchance and considering it was all one order i figure i better RMA both, ill see what they say on the support thread on monday, cheers guys.
 
wazza300 said:
no try with different psu?
Click to expand...

i didnt think it would be worth it, the only other psus ive got available are CiT rubbish ones i salvaged from junk PC's, besides theres nothing wrong with my tx750, and corsair already certified it for haswell.
 
could try them tho before you rma,even the cit would be ok to test with for a few minutes

gigabyte and haswell are picky when it comes to psu's

also tried leaving cmos/motherboard battery out for a good 30 minutes?
 
wazza300 said:
could try them tho before you rma,even the cit would be ok to test with for a few minutes

gigabyte and haswell are picky when it comes to psu's

also tried leaving cmos/motherboard battery out for a good 30 minutes?
Click to expand...

ill give it a go after dinner, i have tried clearing the cmos tho
 
it could be your memory idk they are 2gb sticks?

I have some old ocz x58 memory and it works ok on my z77 board for testing so you should be ok at a guess

best to try one stick in second slot from cpu socket
 
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