Picture keeps disappearing off monitor

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  1. Posts : 15
    Windows 10

    Picture keeps disappearing off monitor

    I have a PC running Windows 10. I put my 40 inch Philips monitor on it the other day. However, the next day when I turned the computer on the monitor didn't seem to come on. The little blue light was flashing so I knew there was power going to the monitor. I had to really start the computer by holding down the on/off button because obviously I couldn't see anything on the computer screen. The second time I switched the PC on the monitor worked perfectly okay. I thought it was just a glitch to begin with. However, during the day the monitor went off again and yet again I had to turn the computer off from the CPU. A couple of times the PC turned on but wasn't sending anything to my monitor so I had to restart again. This probably happened several times before I put another computer in place and nothing untoward has happened since. I want to try and sort this problem out because I want to use the other computer.

    I'm sure I'm right in saying that when you switch the computer on it normally makes a couple of beeps. I could be wrong but I don't think it makes these two beeps if the monitor isn't going to work properly. But don't hold me to that, I could be wrong.

    This has definitely got nothing to do with the monitor because I'm using it on another PC at the moment and I have not seen any problems occur. This has something to do with the way the other PC sends information to the monitor. I must add that I have tried wiggling the cable to make sure it's not a loose connection, that didn't make any difference at all.
      My Computer

  2. Posts : 1,604
    Win 10 home 20H2 19042.1110

    Check your power settings. Is sleep mode enabled?
      My Computers

  3. Posts : 15
    Windows 10
    Thread Starter

    Thanks for your reply, however, I don't think it's got anything to do with power settings because occasionally the PC doesn't appear to be sending any information to the monitor when you switch on for the first time. Other times, the PC can be on for a few hours and then all of a sudden the monitor just goes blank like the PC is not switched on.
      My Computer

  4. Posts : 855
    Windows 10 Pro 21H1 build 19044.1806

    Check the GPU is seated properly?
      My Computers

  5. Posts : 15
    Windows 10
    Thread Starter

    Exactly what is the GPU?

    - - - Updated - - -

    Sorry, my graphics card, I will have a look when I put the computer back in line again and try and find the problem
      My Computer

  6. HRC
    Posts : 72
    Windows 10 Home 2004

    Are you using the same cable to connect it to your other PC?
      My Computers

  7. Posts : 15
    Windows 10
    Thread Starter

    Yes, exactly the same VGA cable. I've had the PC running all day and the monitor has behaved perfectly okay.
      My Computer

  8. Posts : 347
    Windows 10 Home Version 21H1 OS Build 19044.1645


    You could look in Reliability History for any errors or Windows failures -

    Control Panel>Security and Maintenance>Maintenance>View Relibility History

    If you find any errors, and can match the time they occurred with the time you had the problem with the monitor, that may give a clue
      My Computer

  9. Posts : 15
    Windows 10
    Thread Starter

    I've put the PC back in line with the 40 inch monitor and so far today it's been okay. I went into device manager and checked the graphics card. I did a driver update but it said I had the latest drivers available. I read somewhere that you can't always trust your PC so I decided to go online and download the latest drivers. However, there is a massive great big long list and I really don't know what to choose. In the device manager, all that is listed is Intel HD graphics. No number, no code or anything. So I really don't know what I'm looking for.
      My Computer

  10. Posts : 1,167
    win10 home

    Type in the bottom left search box "dxdiag" and click on enter.Then select each page in turn,taking note of the hardware details relevant to your problem,e.g.display.This will give you all the necessary info to get the latest drivers,etc.
    In Device Manager,expand Display Adapter and have a look at the General andDriver tabs located in Properties.
    As previously suggested. LOOK IN RELIABILITY HISTORY. It should be the starting point for any problem.
      My Computer


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