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Monitor only found when off

post #1 of 6
Thread Starter 
Ok, so today I turned on my laptop and as per usual I hooked my monitor to it to have an extended desktop.
Only it didn't work. So I start looking for the problem and I found that if I turn the monitor off, it recognises my monitorand switches to extended desktop (which I now can't see, since the monitor is off).
As soon as I switch the monitor back on, it stops recognising the monitor, can't find it in either the display section of control panel or AMD catalyst control center.
I updated my graphics card drivers to no avail and have been looking for a solution, but I can't find a similar problem anywhere.

Please help.

Regards,

Schrale
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post #2 of 6

What cable/connection are you using..

post #3 of 6
Thread Starter 
Crap, sorry. HDMI
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post #4 of 6
If the monitor is a couple of years old, It could be bad caps in it's PSU, which have given up the ghost. It's worth looking inside if it's out of warranty, and replacing any caps on the PSU if they have swelled. I've rescued a few monitors like that.

There is a thread on here dedicated to bad caps - http://www.overclock.net/t/1551784/horrible-pictures-of-dead-caps/0_50

It has a lot of motherboard caps, but it equally happens in all sorts of electronic equipment, including monitors and TVs.

It's worth checking out, as it can cause the symptoms you describe.

EDIT : That is, if the monitor doesn't work of other equipment, you have tried it on something else with an HDMI output?
post #5 of 6
Thread Starter 
Thanks for your replies guys. Before opening anything up I decided to try a different HDMI cable despite the fact the one I used was still pretty new, and wouldn't you know it. "Fixed"
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post #6 of 6
smile.gif glad it's a simple fix. Always best to try them first. Dunno how many times i've went digging around systems for an hour, only to find its something simple. I'm one of these idiots that overcomplicate problems, but i'm getting better in my old age. tongue.gif

Anyway, glad you're back in business. thumb.gif
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