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Computer worked fine 2 hours ago now monitor says no signal

snamakool123
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I woke up in the morning played csgo and stuffs computer worked perfectly, I didn't have any updates anything and so I shut it down. Then 2 hours later without touching my computer I had some work so I tried to turn it on. Fans spin up motherboard does usual beep but monitor says no signal. So I connect he I cable to the other GPU stIll no signal. I connect he I to my still no signal. I connect via cable dvi cable no signal. I connect monitor to set top box works fine I can see bbc and stuff. I change get a new Hemingway cable nothing. I checked all cables are seated and nothing out of place. I have read the HOW TO RESPOND TO NO POST GUIDE no help. What can I do. Contact manufacturer of mb? Also this is not a new build it has been running perfectly for 2 years.

Pc specs:

Gigabyte z87 ud3h

i7-4770 (not k)

Corsair vengeance 16 gb ram

550W power supply

Dual gtx660 ti sli

I like potatoes, if you don't then please just step aside and let me enjoy this potato.

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psu?

Just curious, not problem related.

 

Dont think so I will try removing and putting the cmos battery back

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psu?

Just curious, not problem related.

 

Psu is 550W 80+Gold Seasonic S12G

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Might be PSU, can you describe the beep, was 2 short ones or short long short?

Also your Mobo has a DrDebug. If so wich number is it displaying?

MyBaby

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The same beep that happens every day one medium/short beep.

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Well i cannot really identify a source for the problem, it doesn't seem to have been caused by the graphics card.

 

...Probably because it's the motherboard.

When motherboard dies it usually is very subtle.

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Motherboard has no num display

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The same beep that happens every day one medium/short beep.

So basically the startup beep?

What about the DrDebug number?

MyBaby

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So basically the startup beep?

What about the DrDebug number?

There is no debug screen on mb. Yes it is normal startup beep

I like potatoes, if you don't then please just step aside and let me enjoy this potato.

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Should I contact Gigabyte this seems like mb problem

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The system reports system startup status by issuing a beep code. One single short beep will be heard if no problem is detected at system startup. This is from mb manual and this is what I hear.

I like potatoes, if you don't then please just step aside and let me enjoy this potato.

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bumperino.

I like potatoes, if you don't then please just step aside and let me enjoy this potato.

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Hard to judge at this point..

Try swapping out monitor\hdd\psu\gpu. @ this point its a process of elimination. 

MyBaby

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Hard to judge at this point..

Try swapping out monitor\hdd\psu\gpu. @ this point its a process of elimination. 

Dont have any spare parts :( I wait for gigabyte response

I like potatoes, if you don't then please just step aside and let me enjoy this potato.

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Update Removing both gpu. It works using onboard graphics

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Mega Update: Removed both gpu. Added them back 1 by 1. Works perfectly.

Conclusion: Probably a loose cable.

I like potatoes, if you don't then please just step aside and let me enjoy this potato.

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