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Testing a Monitor for Defects

Discussion in 'Hardware' started by Dukane, Dec 6, 2019.

  1. Dukane

    Dukane Thread Starter

    Aug 11, 2004
    Here are some monitor testing apps:


    I don't need to adjust color, contrast, brightness, etc. I've got an older
    monitor that looks good. I want to test this monitor for actual defects.

    Ocassionally, when I minimize a fully maximized window my Desktop
    icons briefly vanish. I'm guessing it lasts about 500ms. (That's 1/2 of a
    second.) I started to notice this problem a few months ago.

    Is there an app that will tell me if this monitor is beginning to fail?
  2. Oddba11


    May 12, 2011
    First Name:
    A monitor (ie: hardware issue) isn't going to make your icons disappear. You would get some kind of display issue on part or all of the screen...NOT a particular item being displayed on the screen To the monitor, everything displayed on the screen is just a single signal (ie: all or nothing).

    Your issue sounds like some sort of refresh issue with the desktop (ie: OS). If you have a lot of icons, or icons which contain/use a lot of storage space (ie: such as putting programs or ZIP files on the desktop > NOT recommended at all), issues such as this can occur. Could be any number of things, high cpu usage, high HDD usage, a failing HDD, etc..
    bassfisher6522 likes this.
  3. Dukane

    Dukane Thread Starter

    Aug 11, 2004
    Never seen a problem like this before. I thought it might be Windows, but it's a very
    consistent problem. I can almost predict when it's going to occur. That's why I started
    to think about this aging monitor.

    I build Desktops and I just upgraded several components, including an advanced cooling
    system. Everything runs much cooler. The CPU and HDDs are new.

    I like a very spartan Desktop. No wallpaper. Just simple and bright icons against a black
    background. There are twelve icons on my Desktop. It's very uncluttered!

    I just realized the same refresh problem occurs with a lengthy menu. The menu will seem
    to blink or momentarily vanish.

    It would be nice if a single installed app or a Windows process triggered this problem.
    I'll never find the cause by guessing. I need a good Windows diagnostic app. Can you
    recommend one?
  4. bassfisher6522


    Aug 8, 2008
    I got you beat on a desktop.........mine is a dual monitor.

    Screenshot (4).png

    As for your issue; my guess would be the aging monitor itself. They do go bad. As for testing for hardware issues in a monitor with an app......afraid there is none that I know of.
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