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Monitor Won't Display...and I Have No Idea Why.


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#1 SideburnSteve

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Posted 14 January 2008 - 08:47 PM

So I have a somewhat odd problem, at least to me.

So my brother came home and his monitor wasn't displaying anything. Fearing it was the video card, I took his pc and plugged my monitor into it...nothing.
Figuring it was his video card, I plugged my monitor back into my pc and now it won't display anything either, not even the BIOS screen at boot, even though it was working when I had it on my pc literally a minute before...

Should probably mention we both use DVI on LCD monitors.

My pc never interacted with my brothers and I didn't touch anything else besides the monitor cable connecting to my pc.

I've checked for bent pins, tried using the VGA inputs and cable, turned off both monitor/pc and let them sit a bit before trying again.

I've taken the VGA and DVI cables from my pc and plugged it into my brothers monitor with no luck, however plugging the VGA cable from my notebook into my monitor worked fine, so I know my monitor works.

Any help or ideas would be much appreciated. Thanks.

Edit: I have a Radeon x850 and my brother has a GeForce 6600 if that helps. :thumbsup:

Edited by SideburnSteve, 14 January 2008 - 10:39 PM.


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#2 garmanma

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Posted 15 January 2008 - 11:23 AM

Did you check for bent pins on the monitor cable plug?
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#3 SideburnSteve

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Posted 15 January 2008 - 11:33 AM

Indeed, I've checked for bent pins on every cable/device involved and everything is fine. :thumbsup:

#4 garmanma

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Posted 15 January 2008 - 12:23 PM

All I can suggest is to take a voltmeter and check for abnormal voltages on the video output on your brother's computer that might have damaged a circuit or, if you're lucky, blown a fuse in the monitors
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#5 SideburnSteve

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Posted 15 January 2008 - 01:13 PM

I'll dig out my voltmeter and test it, but I know the monitor works, as I've plugged this notebook into it and it displayed perfectly.

#6 garmanma

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Posted 15 January 2008 - 02:35 PM

I'll dig out my voltmeter and test it, but I know the monitor works, as I've plugged this notebook into it and it displayed perfectly.

Check the monitor DVI cable pins for continuity, maybe there's an internal break?
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