Question about Toshiba Tecra A3 Notebook

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When I start my laptop, I dont see the startup from Toshiba and the computer monitor does not turn on. If I bang the computer hard, i see the toshiba startup and the monitor turns on.

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  • itsmeblock Jun 16, 2009

    Thanx for the quick reply anjana03 and Geekman. Aajana03, there's no point of using F12 and other key when my monitor is blank, it just doesnt work. Anyway, I tried thank you. Geekman, there seems to be no error with my LCD I guess. There no picture flickering or screen flashing. What I'm guessing is some kinda connection error, but I couldnt solve whether its LCD connection or other connection which relates to monitor or generates power to monitor. lol im just confused.



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You could have a defective screen - a defective inverter or a CCFL lamp or simply the video cable needs reseating. After reseating the video cable and the problem is still there then :- 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: Screen flashs on red/pink and off. Picture stays on in red and slowly be come normal. Picture flickering with dim display or appear black. Picture flickering on and off. All these symptoms indicate that the LCD backlight lamp (CCFL Lamp) has reached the end of the life and all you need to do is replacing the CCFL lamp 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. The inverter can be replaced easily but the CCLF lamp is more time consuming and requires soldering skills. Check out for parts, repair service and DIY info.

Posted on Jun 16, 2009

  • Chris Hingee
    Chris Hingee Jun 16, 2009

    Can you hear the hard drive spinning and the computer appears to be running but you you get a blank screen. If you look at the LCD screen at an acute angle and you see a dim image. then you have a backlight problem.
    To determine if you have a video card problem or a lcd screen problem, Connect an external monitor to your laptop and power the monitor up first and then the laptop, if you see the normal Windows images then the video card and laptop is OK and the problem is definitely the backlight.
    If you can determine the LCD is at fault then
    refer to my previous solution for information on service and repair.


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In my experince many causes do this as 1/ some time bious setining may be change automaticaly- re stat and press f12 go biouse cnoose hard first and chose cd room second then press f10 to save and exit.2/ running programme may be crash re install it.3/ you changed high graphic so screen is black adjust it .... thanks

Posted on Jun 16, 2009

  • Roshan Rijal
    Roshan Rijal Jun 16, 2009

    in my experince many causes do this as 1/ some time bious setining may be change automaticaly- re stat and press f12 go biouse cnoose hard first and chose cd room second then press f10 to save and exit.2/ running programme may be crash re install it.3/ you changed high graphic so screen is black adjust it .... thanks



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My 1st (Routine) Question is:
(01) Do you have *ANY* other information *at all* regarding this issue?

For example:
(A) Research that might have already been done on this issue
(B) Things that might have been tried to determine or to correct the issue
(C) *Any* other issues w/ your computer - particularly any issues that corresponded w/ the onset of this issue.
(D) Something someone else might have told you, suggested or recommended regarding this issue (including contact w/ the manufacturer).

I guarantee you, you cannot give us too much information. The more we know about this issue, the faster and more accurately we can get it diagnosed for you. :)

We'll need to determine if the problem is w/ your computer's LCD panel (monitor).

The most direct way to do that is to connect an external monitor to the laptop (there is most likely a monitor connection on the back or a side of the laptop.).

(02) Connect a *known working* monitor to the laptop's external monitor connection.

(03) Turn the monitor power on.

IF you can do the following w/ the laptop monitor in the closed position, please, do so.

(04) Turn the laptop power on. (Make sure the A/C adapter is connected. (We don't want to confuse the issue w/ a low or dead battery.)

(05) Quickly but gently, (right after pressing the power on button) place the laptop's monitor in the closed position.

(06) If the laptop's LCD panel has failed, we would expect you to be able to see your laptop's display now on the external monitor.

If that is the case then the monitor either needs to be repaired or replaced.

That is the 1st phase of the trouble-shooting process for this type of issue.

(07) Please, post back here w/ the results of your test and answers to Questions (01/A-D). Please, include questions, observations, etc as well.

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Thank you,
BJ @:)

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