Black Screen - Changed monitor settings??

Discussion in 'PC hardware help' started by oxymore, Oct 2, 2007.

  1. oxymore

    oxymore Member

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    Hi, i'm in a bit of a pickle here, changed one of the monitor/driver/display settings in Windows XP (laptop IBM R31) and my login page onwards is now completely and utterly black!

    The setting I changed was in Windows, after I had logged in, I think I right-clicked on the desktop, went into Display Properties > Settings > Advanced, and I think I went into either the adapter or monitor tab as I was trying to see if I could update the driver. The monitor tab didn't give an option to update though, it just said 'Use hardware default setting'

    All I can remember was the setting I changed was something to do with a driver/monitor on start-up, and it was set on the option 'system' on a drop list until i changed it to 'automatic'. Really wish I hadn't done this now!

    I blindly tried logging in and the start-up sound came up so all is ok underneath but the screen is still black, it's just the screen I guess. The point at which it stalls in safe mode is 'Mup.sys' I think

    Can't seem to find anything in BIOS to change it either, any ideas? It's all very vague I know, I'm trying to find it on my current PC but I can't find it :(

    Really would appreciate it if anyone has any ideas. Thanks!!!
     
    Last edited: Oct 2, 2007
  2. sammorris

    sammorris Senior member

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    If you can bring up the safemode menu, try going into 'VGA Mode'. That's usually a cure-all for messed up graphics settings.
     
  3. pcrepair

    pcrepair Regular member

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    try the fn key and f5
    and also try putting a moniter on the rear vga port
     
  4. oxymore

    oxymore Member

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    I tried VGA and it's still black unfortunately! I don't know what the hell i've done now!

    I tried F5 and connecting an external monitor as well. The external monitor works right up to the login page and then goes black again just like the laptop :(

    Thanks for the suggestions though x
     
  5. pcrepair

    pcrepair Regular member

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    vga settings are wrong
    if you have picture during boot sequence then you have video
    try safe mode
    possibly you have set the refresh rate too high
     
  6. oxymore

    oxymore Member

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    Would I be able to check the refresh rate in BIOS? I've tried safe mode and it hangs just after 'mup.sys' driver has loaded, so I can't get into Windows at all that way :( Oh dear.
     

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