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Solved: Windows 7 embedded blank monitor screen after changing BIOS setting

Discussion in 'Hardware' started by Woffiedog_1, Nov 10, 2011.

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  1. Woffiedog_1

    Woffiedog_1 Thread Starter

    Joined:
    Nov 29, 2004
    Messages:
    91
    Greetings,

    I am working on an instrument that runs Windows 7 embedded and has a touch screen. I needed to replace the single board computer and then edit the settings in the BIOS for the touch screen to work properly.

    Swapped the single board computer, edited the Bios and booted into windows. Display was not good but visible- I realized I had forgot to change one of the BIOS settings (resolution size) but did remember to change the other setting 24bit color.

    When I rebooted to get back into the BIOS to make the other change the screen is blank. Cannot boot from a CD since instrument does not have a drive.

    The only thing I can think of use an external monitor instead of the touch screen to look at the BIOS?

    Does this sound reasonable? Could I have done something that is rendering the SBC useless now?

    Thanks for your help in advanced!

    Best Regards,
    Marc
     
  2. pip22

    pip22

    Joined:
    Nov 21, 2004
    Messages:
    2,536
    The last BIOS change you made was to the resolution so it's reasonable to assume that you've set it to a value that the display device cannot handle (res too high most probably). You will need to plug in an external monitor temporarily so you can see the BIOS settings to set the resolution to a lower value.
     
  3. Woffiedog_1

    Woffiedog_1 Thread Starter

    Joined:
    Nov 29, 2004
    Messages:
    91
    Thanks for your reply. Dragged my home LCD to the site and hooked it up to the machine. Sure enough I could get into the Bios and correct my mistake. Hooked touch screen back up and all was good.

    Cheers,
    Marc
     
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