Strange pc problem... help needed

bean5k

bean5k

bean5k

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Joined
17 Feb 2012
Posts
26
Hello I have a strange problem on my pc
Pc will not boot with gfx inserted... no display no lights on keyboard or mouse..

But if I take out gfx card and use on board intel gfx the pc will work fine... I can then shut down pc, plug gfx card back in and the pc will boot with the card in...

So every time i start Pc I need to take out and card ...start up and shut down...then put card back in! Very annoying

I’ve tried fresh windows install
Reset bios and motherboard
Updated drivers
And used my old gtx780 ... samething happening.

Any ideas please what’s wrong?
 
Yes I’ve tried using a different PCI-E slot
Something happens in all slots...

System specs are:
Intel core i7 4790
Gigabyte Z97X-gaming 3 intel Z97 DDR3 Atx
Superflower golden green hx 650W 80plus gold
Team Group Vulcan 8gb ddr3 2400MHz
Gigabyte GTX 1080
 
Yes cleared Cmos
And bios settings for display

With the gfx card inserted now it will try to boot up on a loop and shut down then start back every 10 secs ...

No beeps don’t know if this motherboard has a speaker

I’m starting to think it’s a motherboard problem... but don’t want to replace if not faulty..

Again only way to start Pc is to take out gfx card out and use on board intel display...then shutdown system...pop gfx card back in..
then it will boot fine with the card ...
 
im going to buy a new psu... will the following fit into my case ok?

Corsair RM750x 80 PLUS Gold, 750 W Fully Modular ATX Power Supply Unit - Black

my case is..
corsair obsidian 650D Gaming Windowed midi tower case black (CC650DW)
 
New update...

So before I clicked the button to buy a new PSU
I stripped out the 1000w psu from my 14 year old Alienware Pc ....which I know is working...

Connected Mobo drives ect...

Didn’t put plug in gtx 1080

Monitor plugged into onboard

So the pc starts .. motherboard lights up but no display and no lights on keyboard or mouse..

Starting to think motherboard is *^%ed

Any ideas please...

Also popped a new motherboard battery in...
 
Hopefully I can get something working...
Have ...
2 psu-650w and 1000w

2 cards-gtx 780 and gtx 1080
Gigabyte z97x gaming 3 with i7 4790 and old EVGA Alienware one with q6600

All fans working atm
Crorsair hydro h60 v2 running
Lights on Mobo
Just no display or keyboard/ mouse
 
Could do with a few ideas...Lol

Got Pc parts everywhere.....misses loves it

Also if I plug in graphics card the white led next to power connection is lit
What does that mean...?
 
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