Strange coloration & lines on the monitor

By birdbrain
Apr 23, 2005
  1. I was called in to take a look at a 5 yr old Gateway Performance 600, P-III,
    loaded w/ Windows 98se. I got the serial # and got the list from Gateway
    for the original package. I went prepared and took a new video card thinking
    it's probably the problem. It belongs to a 60 Yr old woman that doesn't really
    use it much. But she does turn it on and leave it on all day.
    The Monitor has strange lines (like horizontal bands of darker color).
    I replaced the video card, no change. I tried 2 different monitors, still
    the same. Oh, I brought it home and hooked it up to one of mine, it's
    the same, so it's not electrical/magnetic field interference.

    Any Ideas?
  2. zephead

    zephead TechSpot Paladin Posts: 1,569

    was the machine on surge protection? try adjusting your refresh rates in windows. are the lines present before windows loads (in the bios screen for example)?
  3. birdbrain

    birdbrain TS Rookie Topic Starter

    Yes, everything on a surge protector. It was Windows 98 ( no option of refresh rate ). I took parts from the Gateway and used another machine and made her an upgrade.
    But when I would try to do anything w/ the dial up modem after the 1st attempt it would go to blue screen and give me a bios problem warning.
    I put in another modem and now no problem.
    It must have been the culprit!
  4. zephead

    zephead TechSpot Paladin Posts: 1,569

    as long as it works :)
  5. birdbrain

    birdbrain TS Rookie Topic Starter

    hmmmmmmm, found out the modem was replaced 6 mths ago also. :knock:
  6. jamesedwards123

    jamesedwards123 TS Rookie

    IS it Vertical lines lllll black and grey? Theres a way to fix that it happened to me when syncing my monitor to a setting that should have worked but didnt lol. Later on I had to find a way to fix the problem. I cant think of it atm the moment but nothing should be wrong cause im still using my monitor that had a simaliar problem. Im also using the settings that I was trying to use before... ER I had this problem in 2003 if this sounds simliliar . Give me full details on your problems from games to programs you installed to video crad drivers to direct X. Syncing your lcd while direct x test is going on can cause the problem also with the verical grey and black lines stuff.
  7. birdbrain

    birdbrain TS Rookie Topic Starter

    It's really a moot point now, other than just wanting answers.
    I took some of the higher end components
    out of the Gateway and put them in a Dell optiplex I was rebuilding.
    I'm 99% sure it was the dial up modem that was causing the problem.
    The Horizontal ghostly shadow like lines disappeared when I replaced the
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