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Windows 7: VGA display issues, unknown cause.

27 Feb 2012   #1
biggles11

Windows 7 64 bit
 
 
VGA display issues, unknown cause.

2 days ago I booted up my computer in the morning and the screen refused to display anything. It said it couldn't detect a VGA input. Since then I have tried replacing the RAM, adding a graphics card (asus HD6670), and trying multiple screens and VGA cables, all resulting in the same "No signal recieved" on the screen. This is bugging me a lot, as I just spent 300 on the upgrade a few weeks ago.

PC specs are in my profile.


My System SpecsSystem Spec
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27 Feb 2012   #2
GEWB

Several flavors of Linux (Mint primary) / 32bit XP, Win7 HomeP / 64bit Win7 Pro, Ultimate / 64Win8.1
 
 

Thinking out loud here...

You started with the on-board (motherboard) video (your system specs shows no video card), had the no input issue, replaced stuff, added a video card, all to no avail.

If this is correct, the problem points to the motherboard (you did not specify the model of mobo). The BIOS has the video set as "onboard" and if the video is defective even plugging in a separate video card the error remains as you didn't change the BIOS to use the card.

Catch 22 here as you can't see the BIOS setup to make the change! If the mobo is under warranty, get it fixed. If out of warranty, well...

Regards,
GEWB
My System SpecsSystem Spec
27 Feb 2012   #3
biggles11

Windows 7 64 bit
 
 

The motherboard was an MSI I believe, nevertheless I bought it 3 weeks ago and it's still under warranty. I took it back to the shop where I bought it and he tested it and found no errors and it worked fine on his monitors. Very puzzled, I'll have to wait until I get it returned to see iff the problem has fixed itself. Hopefully that'll be later today or tomorrow.
My System SpecsSystem Spec
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27 Feb 2012   #4
GEWB

Several flavors of Linux (Mint primary) / 32bit XP, Win7 HomeP / 64bit Win7 Pro, Ultimate / 64Win8.1
 
 

OK, thanks. Odd that in the shop it works (not in your original post) - almost sounds like a monitor issue. Not much to do until the shop looks at it.

Regards, GEWB
My System SpecsSystem Spec
28 Feb 2012   #5
biggles11

Windows 7 64 bit
 
 

I took it to the shop about an hour after making that post. I find it weird because I used 3 different monitors and VGA cables, and none of them worked. Hopefully I'll have it back this evening.
My System SpecsSystem Spec
28 Feb 2012   #6
1Bowtie

Windows 7 Home Premium 64 bit
 
 

Not much power supply for the 6670 video card, might start there.
My System SpecsSystem Spec
01 Mar 2012   #7
biggles11

Windows 7 64 bit
 
 

Well as far as I can tell it's all fixed now. Very strange indeed.
Also the Asus HD 6670 works amazingly well.
My System SpecsSystem Spec
Reply

 VGA display issues, unknown cause.




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