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PC to TV Hookup - TV goes into Standby


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03-Oct-2011, 09:11 AM #1
Arrow PC to TV Hookup - TV goes into Standby
I have an IBM Think Center computer on WIndows XP Home and am connecting it to a Sony Bravia 32" LCD TV.

I purchased a 35' VGA cable (Gold connectors).

I connected one connector to the TV and one to the Computer and turned them on. The TV comes on and I changed the input mode to PC. The message is - no PC signal and after 2-3 seconds TV goes into standby mode.

I did a bit of research on the NET and found that I needed to change the resolution so I attempted to connect my CRT monitor back to the computer and it does the same thing. It starts and then goes into sleep mode (green power button blinks with black screen)

Any suggestions - I need this up and running for my son's schooling. Thanks so much
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03-Oct-2011, 08:58 PM #2
Is the computer booting? When was the last time it worked? The problem has nothing to do with the TV if there's no display on a monitor either.
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04-Oct-2011, 12:37 AM #3
Did you really mean 35 foot or was that a typo?
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04-Oct-2011, 09:52 PM #4
35 foot is correct
35 foot is correct
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04-Oct-2011, 09:55 PM #5
I'm wondering if it's the video card. I have now tried a CRT monitor, the VGA cable to the LCD TV and an LCD monitor and all do the same this. So I'm thinking it's the computer VGA port hence the on board video card. Guess I should also let you know that we recently moved. I did carfully put the computer and monitor in my car to move it. Have not had it working since we moved. The computer beeps several times before continuing when turned on but according to the sounds it makes I think it is booting. (Can't really tell without a monitor).
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04-Oct-2011, 10:12 PM #6
The computer should only beep once when you start it, signifying that the computer passed POST. Iff it beeps several times, this could mean a graphics card problem. But I would try it with a VGA cable that is only 6' long or shorter first to ensure it is not the cable that is the problem.
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05-Oct-2011, 02:34 PM #7
I have tried two monitors does that count? They both have their own cables and the same issue is happening with them
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05-Oct-2011, 06:19 PM #8
A computer will boot without any monitor attached, so this problem has nothing to do with the length of cable or the monitor of choice.

Open the case and check and re-seat everything: RAM, video card, etc. Check all connections.
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monitor, sleep mode xp, sony bravia, standby mode

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