Question about Toshiba Satellite A215-S7422 Notebook

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Toshiba satellite a215s7422 screen blackout problem. computer powers up in safe mode and on an external monitor only. tried downloading display drivers and flashing bios-both failed (failed to find installed components etc and Error 1084 w/bios-cannot load in safe mode).any suggestions?

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  • peldredge Mar 06, 2009

    Hi Geekman,

    In response to your questions--If I am sitting in a dark room and I shine a flashlight on the laptop screen, I can all of the icons etc. I can even find the cursor and use it. Second question--I can not start the external monitor in normal mode. Strange occurance happened this morning, I had the external monitor connected and for the first time in a few days and instead of external monitor starting, the laptop monitor started working momentarily.Unfortunately, it froze. Then I connected the external monitor and it completed the boot up on that screen without any additional prompting on my part. What do you think?

  • peldredge Mar 06, 2009

    Hu again Geekman,

    In response to your second question--Using a flahlight as mentioned before, I was able to shutdown my laptop correctly and consequently was able to start external monitor in normal mode. Also, again I was able to see brief imges on my laptop screen before the blackscreen reappeared. Good luck with this one.

  • peldredge Mar 06, 2009

    Hi Geekman,

    Now, when I conect the external moniter images are on both screens. When I disconnect the external screen my laptop screengoes into blackout mode. What's next?

  • peldredge Mar 06, 2009

    Hi again Geekman,

    The situation keeps changing. Now, the only way that I can get an image on the external monitor is in safe mo In normal mode, I get a blck screen. If I use a flashlight, I can see icons. Does this mean that it may be the video card? Or is does the lcd monitor need to be replaced? I'm so confused and tired of trying to locate a faint cursor with a flashlight. I must say, however, it's been an interesting experience.

  • peldredge Mar 22, 2009

    i have replaced lcd and inverter--no improvement--same problem any suggestions.it first started with a black screen. using an external monitor, it will work in safe mode only. occasionally,the external monitor green light blinks and both screens are black. using a flashlight, i can barely see icons through my dirty screen--very fustrating and difficult!!! i'm already into it deeper than i want financially. how much will it cost for tech support and what is probabilty of fixing this one
    let's talk first

  • Chris Hingee
    Chris Hingee May 11, 2010

    When you boot up the laptop normally and the screen is black, can you see a very dim image on the screen?

    Also

    Can you boot up with an external monitor in the normal windows mode and get a normal image?

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  • Toshiba Master
  • 32,281 Answers

As you can see an image on an external monitor, this means your video card is OK.
Dim image and/or dark display on the laptop's LCD screen indicates a faulty LCD backlight and it could be the inverter that supplies high voltage to the CCFL lamp or it is the CCLF lamp is nearly burnt out or burnt out, most likely this is the case.
The inverter can be replaced easily but the CCLF lamp is more time consuming and requires soldering skills.
Check out www.lcdparts.net for parts, repair service and DIY info.

Posted on Mar 06, 2009

  • Chris Hingee
    Chris Hingee Mar 07, 2009

    If you get a clear image on the external monitor, it means that the Video card is OK and the fault is with the backlight. This fault is caused by a faulty inverter or a burnt out CCFL lamp.

    To fix your problem, see my solution to your problem.

  • Chris Hingee
    Chris Hingee Mar 22, 2009

    Normally when you connect an external monitor or a data projector to the laptop and boot up, the video information automatically switches to the external monitor/data projector. You can then switch between the LCD and external video or a combination of both by pressing the Fn + F5 keys.

    It appears your video card is OK and if you can switch between the LCD (even though the screen is black) and the external video output (monitor) and get a clear image on the monitor, it means the video switching circuit is OK.

    This means you still have a backlighting problem.

    It still could be an inverter problem or a dead CCFL lamp, most likely a dead/faulty CCFL lamp.



    You replaced the LCD screen, was it new or 2nd hand and was the inverter new?

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Posted on Jan 02, 2017

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