Question about Toshiba Satellite A25-S207 Notebook

1 Answer

Got up to a flickering and shaky screen this morning.

Anyone online that can tell me whats going on with this Toshiba?

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  • Dave Aug 24, 2008

    The shaky screen began first and now there seems to be some dimming or loss of brightness to the screen. The Laptop is not overheated and is not making any unconventional or unusual noises.

  • Dave Aug 24, 2008

    Have I said enough? You have not said anything but "elaborate".

  • Dave Aug 24, 2008

    Thank you for your suggestions; I have taken so long in answering because of time spent to directly attach laptop to an extra monitor and read then print your answers. The Flickering is gone when viewing through the CRT screen. I will test the video card next prior to attempting to repair the LCD on the Laptop.

    Your advice has been very helpful. Many thanks. I will report back later with further feedback.

    Again, Thanks!

  • Dave Aug 27, 2008

    It was excellent advice. Thank you.



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  • 435 Answers

Can you please elaborate your question?

Posted on Aug 24, 2008

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  • Narmada Anand
    Narmada Anand Aug 24, 2008

    )Many times in toshiba laptops the lcd cable comes loose on the back. Try tapping the back of the lcd in the upper middle area and see if the screen comes back. Or apply slight pressure in that area. If that doesnt make the screen come back 90% probability

    1_fix) that cable can still be loose on the back of the lcd and pressing or tapping the back wont signal that its the problem. Removing the 4 to 6 screw around the outside of the lcd (border) which are hidden behind little pieces of rubber(spacers) Remove upper half of the border by unsnapping it from the inside one small section at a time. Once removed the back half of the frame, or the houseing part of the lcd will lean back, leaving the lcd standing straight up on its hinges. Now reseat the cable on the back of the lcd. Its the only cable that connects in the back of the lcd. Its about 1inch wide. Once connected tightly in place, put some tape on the connection to make it secure 90% probability and before putting everything back together, Turn on the laptop and test it out. If the same problem remains, try tapping the lcd cable in certain spots. If the flickering stops from you flicking the cable it needs to be replaced. 30% probability
    Putting laptop back togather, the top half of the frame will snap back in place and little rubber pieces will stick back in.

    2)try pushing a pen in the hole that trips the backlight sensor.(what makes the screen go into hibernation with the lid is closed.) If there isnt a hole or button thats pressed, its done by magnet and you would have to get the manual to find out where the magnet is. Usually on the right side of the keyboard cover. It may be that the button is worn and going off and coming back on really quick. 30% probability

    2_fix)Rapidly stick something in the whole to get that part unstuck or you would have to take the laptop apart and replace the small part

    3)It also could be the other end of the lcd cable that plugs into the motherboard. Remove the keyboard cover and reseat the cable. Rare...

    4) Now is the screen flickering and loosing video or is the screen loosing back light? Once the screen flickers black, can you still see the image and its just really dark? If this is the case it can be one of three things.

    4a)your inverter is going out 90% probability ($60.00 fix)

    4b)your lcd is going out 10% probability ($600+ fix)

    4c)Your lid cover sensor is wearing out (#2 on this list)

    5) it is possible that your video card is dieing. In this case you would have to get a new motherboard

    5a) to test if the video card is dieing on the Motherboard, plug the laptop up to external video ex_a computer monitor or svideo connection. If the video is fine on the external display, your video card is not at fault.

  • Narmada Anand
    Narmada Anand Aug 24, 2008

    Did you try the steps mentioned above?

  • Narmada Anand
    Narmada Anand Aug 27, 2008

    Would appreciate if you would rate this solution.




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1 Answer

Friend's Laptop Screen has become too dark to work with

You could have a defective screen - a defective inverter or a CCFL lamp.
To determine if you have a LCD screen or video card problem, read this and follow the instructions.

Defective CCFL backlight, it may have the following symptom:

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Connect an external monitor to your laptop and power it up, if you see the normal Windows images then the video card and laptop is OK and the problem is definitely the backlight.

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.
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I have a Toshiba Satellite P100 laptop which I bought in New Zealand. I think the model comes from the USA. Part of my screen is flickering. It runs vertically from the top to the bottom of the screen and...

Good morning, Kevin!
Sounds like an LCD problem. You can verify this by hooking up an external monitor. The external monitor will probably show a good display.
After verification of the problem,you may want to try to replug the LCD cable at both ends, just to see if that corrects the situation.
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If the external monitor shows the same display, you may have a motherboard problem.
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Disconnect and reconnect the incoming and outgoing connectors a few times. But please be very careful not to damage the cables or connectors.

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