Windows 8 and 8.1 Forums


Random rapid screen flicker

  1. #21


    Harrisonburg, Va.
    Posts : 10,488
    Windows 8.1.1 Pro with Media Center


    If your monitor supports it you might want to increase your Refresh rate one notch.

    Click image for larger version

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  2. #22


    Good question. I got rid of the cordless phones last year. Only corded ob my desk.
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  3. #23


    Monitor won't let me upnotch from 60Hz.
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  4. #24


    Harrisonburg, Va.
    Posts : 10,488
    Windows 8.1.1 Pro with Media Center


    Quote Originally Posted by Martin1937 View Post
    Monitor won't let me upnotch from 60Hz.
    Mine either.
    Probably not the cause of the problem then.
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  5. #25


    Texas
    Posts : 1,022
    Windows 8.1


    Quote Originally Posted by Martin1937 View Post
    Your detailed comments much appreciated Broe23...right now I have the computer/monitor on an extension cord plugged into outlet on other side of the house....if that works, than I believe the problem has to do with a subpanel located on south wall of house, and main panel is on the north side...the next step would be to get an electrician to check this out as you describe....
    A computer/monitor on an extension cord plugged in on the other side of the house just screams at me.

    Is this a very old house with limited electrical outlets? I believe the current electrical code requires an outlet every few feet; of course every state differs in requirements. If you're limited in electrical outlets, I believe I'd plug the computer into an actual outlet and use that extension cord for something else.

    Also, I checked with Dell for your monitor and found this link: http://www.dell.com/support/home/us/...10/get-started I didn't go further, because it asks questions I don't know the answers to.
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  6. #26


    Central IL
    Posts : 3,468
    Linux Mint 17.2


    Wynona, when you are looking for problem branch circuits, an extension cord is going to come into play. That way you see if it is a outlet issue in that room that the computer & monitor is in, or if it is a hardware issue (ie computer or monitor). This is done all of the time to do troubleshooting, even by the pro's.
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  7. #27


    I just had a couple of "shakers" this morning again with the computer and monitor plugged into the extension cord going to an outlet on the other side of the house. So it has happened now with three different outlets. I;m going to be getting an electrical person to look at this...since it is beyond my humble knowledge to fix this. it has happened now with two different computers. random shake, rattle, and roll....very disconcerting. The house is "old," built in 1953. And has a couple of subpanels in addition to the main panel. So a complex situation. Everything was fine and dandy until last fall when the monitor image shaking started....on the laptop I was using....then the laptop crashed in November...I replaced it with a desktop, and the problem continued....that's the ongoing saga....
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  8. #28


    Texas
    Posts : 1,022
    Windows 8.1


    Quote Originally Posted by broe23 View Post
    Wynona, when you are looking for problem branch circuits, an extension cord is going to come into play. That way you see if it is a outlet issue in that room that the computer & monitor is in, or if it is a hardware issue (ie computer or monitor). This is done all of the time to do troubleshooting, even by the pro's.
    Yes, I understand electricity quite well and an extension cord "across the house" still screams at me. Is it one of those light-weight household jobbies or, is it one that will take a heavier load?
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  9. #29


    Texas
    Posts : 1,022
    Windows 8.1


    Quote Originally Posted by Martin1937 View Post
    I just had a couple of "shakers" this morning again with the computer and monitor plugged into the extension cord going to an outlet on the other side of the house. So it has happened now with three different outlets. I;m going to be getting an electrical person to look at this...since it is beyond my humble knowledge to fix this. it has happened now with two different computers. random shake, rattle, and roll....very disconcerting. The house is "old," built in 1953. And has a couple of subpanels in addition to the main panel. So a complex situation. Everything was fine and dandy until last fall when the monitor image shaking started....on the laptop I was using....then the laptop crashed in November...I replaced it with a desktop, and the problem continued....that's the ongoing saga....
    I know a bit about electricity and have done some wiring myself; however, when it comes to more than simple, I leave it to the pros too. I'm glad you're going to do that.

    I guess the first thing I want to ask is if your computer is normally connected to an extension cord or if I've misunderstood what you said. If the computer is normally plugged into a wall connection, whoops! I misunderstood and apologize.

    Another question is whether there have been renovations to the house in the past. If so, that could explain the sub panels. Also, if there were renovations, and they were done in the 1960s, it's possible (probably not likely) there's some aluminum wiring in your house. Aluminum wiring can cause all kinds of appliance failure (both small and large) besides computers. Have you had problems with anything else?

    Have you had your computer connected to outlets from all three panels, one, two, all three? This could help you pinpoint where the electrician starts to troubleshoot; if you've used outlets from all three, then the most likely place to start would be the main panel that would feed the other two. If, say, only to the sub panels, then they would be the place to start. Electricians are expensive, and there are ways we laypersons can minimize the cost.

    I just found this site, and it looks like I'll be going back to it a few times; not for electrical issues, but there seems to be a lot of good information for a DIYer! InspectAPedia.com - Diagnose & Fix Building & Indoor Environment Problems - Home

    Good luck and I do hope there's no aluminum wiring in your house.
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  10. #30


    USA, Idaho
    Posts : 1,062
    Win 8, (VM win7, XP, Vista)


    The longer the cord the greater the wire gauge should be. This is so there is not a great deal of lose because of length.
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Random rapid screen flicker
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