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    Fr_Chuck's Avatar
    Fr_Chuck Posts: 81,304, Reputation: 7692

    Nov 16, 2007, 06:14 PM
    Screen goes black
    Ok, I have a IBM thinkpad, when we turn it on, the screen comes and lights up and shows IBM, and it shows it is pulling up windows, but as soon as the windows starts to open, the screen goes black. Nothing.

    I can hook another monitor to the back of the lap top and it works fine,

    What can cause this, and suggestions on fixing it?
    Curlyben's Avatar
    Curlyben Posts: 18,492, Reputation: 1859

    Nov 17, 2007, 01:38 AM
    Hmmmm tricky.
    Can you boot into safe mode.
    When you get the IBM splash screen press f8 repeatedly and you be presented with safe mode as a boot option.
    ninesignals's Avatar
    ninesignals Posts: 7, Reputation: 1
    New Member

    Nov 17, 2007, 12:04 PM
    The Prob:
    Believe it or not, the same thing happened to me today! I have a Dell laptop, which is connected constantly to another 'monitor' (in my case, my TV). As with your ThinkPad, my Dell logo and boot-up scale showed on my laptop when I turned it on, then it all went black again... but the sign-in screen showed up on my TV..

    The Fix:
    OK, what I did (after some melodrama... you know, crying, cursing, praying, etc.) was to key in my password, using the TV as my mouse guide to the text input field. My desktop screen immediately appeared on my laptop! I tested later by shutting down/booting up: all was normal. So, if you use a sign-in screen, maybe this will work for you as well. If not, maybe just shutting down the laptop via your mouse and your other monitor will snap it back to reality.

    The Cause:
    In my very humble, tech-free opinion, I think my fade2black is tied to the turn on/sleep/shutdown/screensaver processes all involved in my laptop lid. I lower it and it goes to sleep and when I lift it, it wakes. If I leave it open for a long period, there's a timed sleep trigger, then shutdown, all combined with screensaver logic. It's like the poor thing is on meds that are fighting each other: Wake up! Go to sleep! No, pause! Now, shut down!

    In any event, I hope your duplicate problem works with a duplicate rescue. Good luck!
    cbee55's Avatar
    cbee55 Posts: 21, Reputation: 2
    New Member

    Nov 20, 2007, 03:04 PM
    When the screen goes black, look closely at screen to see if you can see the image in the background. Suspect that either the backlight on the screen is on it's way out, or possibly the inverter in the screen.
    ninesignals's Avatar
    ninesignals Posts: 7, Reputation: 1
    New Member

    Nov 22, 2007, 10:42 AM
    cbee55: So far, I haven't had a repeat of the black screen syndrome, but no doubt whatever caused it is still lurking somewhere and thinking about pouncing in the future... So, here are a couple of questions:

    As my laptop's only five months' old, I don't think the backlight would be going out
    Already; however, what's an "inverter" and how would I test/fix it?
    cbee55's Avatar
    cbee55 Posts: 21, Reputation: 2
    New Member

    Nov 22, 2007, 10:55 AM
    The inverter is a small PCB inside the screen assembly that among other things powers the backlight. Don't get many inverters going faulty, but with some manufacturers there have been problems with oxidisation on the connectors between the backlight and the inverter, which gives a bad connection.

    As for the backlight going so soon, it could happen. I have had to replace many a screen on newish laptops for a failed backlight.

    I was reading you post, and by the sound of your symptoms, it doesn't sound like a hardware fault as such, more to do with having the external screen attached. If it does it again try pressing the "fn" key and "f4" if your laptop has them, to try swapping between screens.
    Fr_Chuck's Avatar
    Fr_Chuck Posts: 81,304, Reputation: 7692

    Nov 22, 2007, 12:02 PM
    Thanks, will try these Friday, this is my wife's lap top and she is saving some files before she lets me fool with it ( she learned that leasson the bad way a coupel of years ago)

    Will keep you updated.
    ninesignals's Avatar
    ninesignals Posts: 7, Reputation: 1
    New Member

    Nov 22, 2007, 01:39 PM
    Thank you, cbee55. I had to look up "PCB," :) but otherwise, I felt comfortably enlightened by your explanation.

    If/when I'm revisited by the screen monster, I'll have a clue what to do if plan A fails...

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