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- Newsgroups: comp.sys.ibm.pc.hardware
- Path: sparky!uunet!decwrl!pa.dec.com!engage.pko.dec.com!regent.enet.dec.com!gettys
- From: gettys@regent.enet.dec.com (Bob Gettys)
- Subject: Re: Shaking Screen, is problem with monitor or with the Graphics card ?
- Message-ID: <1992Sep7.010308.1265@engage.pko.dec.com>
- Sender: newsdaemon@engage.pko.dec.com (USENET News Daemon)
- Organization: Digital Equipment Corporation
- References: <lajciqINN71s@csgo.usc.edu> <Bu6GFx.M5K@news.cso.uiuc.edu>
- Date: Mon, 7 Sep 1992 01:59:26 GMT
- Lines: 37
-
-
- In article <Bu6GFx.M5K@news.cso.uiuc.edu>, daw50509@uxa.cso.uiuc.edu (me ) writes...
- >yoon@csgo.usc.edu (Dae-kyun Yoon) writes:
- >
- >>Dear Netters,
- >
- >>I recentrly bought Viewsonic 5+ monitor and Diamond Stealth Vram card.
- >>I am genrally happy with this combination, especially the speed at
- >>1024x768x256 mode is very impressive. With 70hz scan rate I can no longer
- >>see any flickering.
- >>However, the screen is a little bit shaking, and it bothers me sometimes.
- >>If I am in 800x600 mode, (though I am not using this mode) the phenomenon
- >>is very annoying. I am wondering if the problem is mainly with the monitor
- >>or with graphics card. Does anybody have any comments on this ?
- >
- >>I would appreciate any comments.
- >
- >>Best regards,
- >
- >I recently had a similar problem with my moniter. It took me a week to
- >find out that a magnetic field generated by the ballast from a flourescent
- >light near my moniter was causing this problem. Luckily the damage wasn't
- >permanent.
-
-
-
- I found a similiar problem to be caused by my external power controller
- and filter box that I used to switch everything with. The filters were putting
- out enough magnetic field that it caused part of the monitor screen to waver.
-
- Try as an experiment moving the monitor out away (at least 2 feet!)
- from EVERYTHING electrical. Even if that other item is in a metal box! If
- it then looks OK, start moving things in closer until you find the interferring
- item. Then figure out how to place things so that they don't interfere.
-
-
- /s/ Bob Gettys
-