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HDMI not working on Windows 7


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Anicholles1 Anicholles1 is offline
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Join Date: Jan 2011
12-Jan-2011, 04:47 PM #1
HDMI not working on Windows 7
I have a Toshiba L500-19Z running Windows 7. Up until yesterday the HDMI output socket was working fine.
However, now, when I plug a cable in the screen keeps goes blank and then returning to normal.
This continues for a few minutes and then when I try to output to eg a TV it shows as not connected.

Does anyone have any thoughts on what might be causing this?
Device Manager says that the device is working OK and I've checked that the driver is up to date.

I'm now stumped!
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etaf   (Wayne) etaf is offline
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Join Date: Oct 2003
Location: Surrey, UK
Experience: Intermediate
12-Jan-2011, 05:23 PM #2
try a recover to before the issue started

start>
programs>
accessories>
system tools>
system restore> choose a date before the issue started
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Anicholles1 Anicholles1 is offline
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Join Date: Jan 2011
12-Jan-2011, 05:31 PM #3
HDMI not working
Thanks for the suggestion but no, I've tried this a few times. Every recovery point I choose seems to be recovering correctly but then fails with a message saying that the recovery couldn't be completed successfully and leaves the system as it was.
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