Computer only turns on without GPU plugged in

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H

Hedstee

Commendable
Dec 2, 2016
8
0
1,510
First, I'm sorry to be the 100th person posting this but I'm completely stumped.

Components:

Case: Corsair 460x RGB with all six SP120 RGB fans
Mobo: Asus Z170-K
CPU: i7 6700k
GPU: Asus RoG Strix 1070
Cooler: H100i GTX
Memory: Corsair Dom Plat @ 3000
SSD: 2x Samsung Evo 850 (250gb, 500gb)
PSU: Corsair RM650
Elgato HD60 Pro capture card, if that matters
OS: Windows 10

History - the only new parts are the GPU, coming from a NVIDIA GTX 970, and the case. The computer only turns on without the GPU plugged in (1x 8-pin), but strangely enough the LED's still turn on which suggests the card isn't faulty. I'm hoping it's just my two year old PSU not being powerful enough.

Any suggested are recommended. I have a friend with a 750 watt PSU that I'll try tomorrow to see if that's the issue and will update.
 
Solution
M
put you cable from gpu to screen, not from motherboard to screen

put in every needed cable.

your gpu might be dead.

you might not have pushed your graphics card good enough into the motherboard check carefully if you really fully plugged it in.

you might be using some wrong cables.


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S

sizzling

Titan
Oct 18, 2006
27,231
3,301
112,240
Your PSU is plenty, that system would run on a decent 500w so unless faulty I cant see that being the problem. Also the 1070 uses less power than your old 970

Do you still hear the BIOS beeps when you switch on?
Is the monitor plugged into the GPU and not the motherboard?
 
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H

Hedstee

Commendable
Dec 2, 2016
8
0
1,510


No beeps, plugged into the card, not the board.
 
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smorizio

smorizio

Titan
Jan 22, 2010
30,984
9
125,315
new mb thta have ipgpu on them is the mb falling over to the onboard video?? in the bios is onboard video set to ipgpu or peg/pci?? also try turning on mult monitor support so both gpu are on for testing. see if it a bios bug make sure the mb has the newest bios file.
 
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H

Hedstee

Commendable
Dec 2, 2016
8
0
1,510


Im noodling in the BIOS right now and the first thing I notice is that my RAM is all of a sudden only clocking at 2133mhz.

EDIT: exited the BIOS, tried to restart, now it's not even pulling up. I didn't make any changes.
EDIT 2: only boots when I turn off the PSU, then turn it back on. Things I see on the boot screen:

"Overclocking failed, please enter setup to reconfigure your system." Detects my drives and everything, RAM still incorrect clock speed.
 
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smorizio

smorizio

Titan
Jan 22, 2010
30,984
9
125,315
Z170-K BIOS 2003
"Support new CPUs. Please refer to our website at:
http://www.asus.com/support/cpu_support."
last bios for the mb.
under ai tab in advance mode look for xmp profile make sure it on.
in the bios make sure speed set to standard not performace if it is the ram to cpu timiming will be off.
 
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H

Hedstee

Commendable
Dec 2, 2016
8
0
1,510


Does my power cable, since it's an 8-pin, have to be plugged into the 6+2/4+4 CPU slot since those are the only 8 pin connector on my PSU, or do I need to be plugging it in from a 6 pin peripheral into my 8 pin GPU?
 
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H

Hedstee

Commendable
Dec 2, 2016
8
0
1,510
I can't get my computer to run on the onboard graphics. Only keeps me in the BIOS screen.

Progress: I can run my comp now on the igpu. It was trying to overclock my RAM. Changed it back to auto and we're good there.
 
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M

MrGoATi

Commendable
Sep 9, 2016
65
0
1,640
put you cable from gpu to screen, not from motherboard to screen

put in every needed cable.

your gpu might be dead.

you might not have pushed your graphics card good enough into the motherboard check carefully if you really fully plugged it in.

you might be using some wrong cables.


 
Upvote 0 Downvote
Solution
H

Hedstee

Commendable
Dec 2, 2016
8
0
1,510


Very helpful. Thanks.
 
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