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Please can anyone help me i have recently upgraded my monitor from a xerox 19'' to a samsung 23'' syncmaster now with the monitor in standby i turn on my acer t180 and the green light in the on button dosent light up an the monitor wont detect a signal if i turn off both pc and monitor then turn the pc and then the monitor everything works fine in this pc i am running a xfx 9500 gt graphics card and have the latest drivers for the card and monitor so why should this be. i know its only a little problem but it is buggin me rotton so i would be grateful for any help thanks

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  • pete616 Mar 03, 2009

    thanks for the advice techguru2009
    but now the problem is that the system wont recognise the graphics card and keeps reverting back to the old on board card any advise???


  • pete616 Mar 07, 2009

    thanks this has sorted both problems out you have been a great help

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I assume you are running windows. First off you need to boot into safe mode by pressing F5 repeatedly as soon as you start your computer. Select the option for safe mode. Once you are in then you need to go to the device manager. Click on the run option on your start button then type compmgmt.msc. Click on device manager on the left side. Then click on display adapters, select your graphics card by double clicking on it. Select the driver tab and uninstall the device. Once you do this reboot with the new monitor plugged in. The operating system should install plug and play hardware automatically. Then you can install the software afterwards once you logon on. Special note: you might have to do this with the old monitor first. Once you uninstall the display driver turn your machine off and connect the new monitor. I hope this helps.

Posted on Mar 03, 2009

  • Edgar Roman Mar 05, 2009

    In the BIOS setup you must set the PCI card as the default video
    display. Search your settings until you can find it. It is usually
    under the advance settings. Depending on your computer, the Techguru2009: BIOS is
    accessed when you start your computer by pressing either F2 or Delete
    key, sometimes its F1 or F12. Try this then Delete all display adapters
    in safe mode, repeat the steps above.In the BIOS setup you must set the PCI card as the default video
    display. Search your settings until you can find it. It is usually
    under the advance settings. Depending on your computer, the BIOS is
    accessed when you start your computer by pressing either F2 or Delete
    key, sometimes its F1 or F12. Try this then Delete all display adapters
    in safe mode, repeat the steps above.

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