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shaky and flaky display on crt monitor

By degwell ·
i riu a test network athome on whic i use i monitor for four servers. i have a problem with one of the machines the display keeps shaking, first ithought it was unclean power tried to pass the power through a line conditoner same prob and this happens on only one of the machines, any ideas will really be appreciated.. thanc in advance

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by degwell In reply to shaky and flaky display o ...

Point value changed by question poster.

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by BFilmFan In reply to shaky and flaky display o ...

Loose video connection?

Are you using a video keyswitch? Does the issue continue if you swap connections on it?

Video card going bad?

Bad video cable?

Bad video switch?

Connect a monitor to each video output of the system at issue and see if the problem is resolved. Then troubleshoot out by swapping cables and connections.

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by In reply to shaky and flaky display o ...


BFilm has covered this.

If you eliminate all of BFilm's suggestions as the cause, you might be able to workaround/fix this problem by adjusting the video refresh rate on the system having the problem.

Also: If you have less than heavy-duty VGA cables, you might try rerouting the one for the "problem" system. EMI (Electro Magnetic Interference) from things such as electric fans can cause display problems.

With today's high-frequency monitors, you really must have high quality VGA cables and a quality non-mechanical KVM switch.

Good luck!

-----Steve Jackson

Software Corporation (Softcorp)
Advanced pro bono tools and utilities free for personal use

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