Question about Dell Inspiron 6400 Notebook

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Screen goes black and never comes back

For the past 2 weeks my computer screen has been flickering then going completely black and not being able to reload the screen. is this a hardware problem or something less dangerous?

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It is most likely a hardware problem. Try re-booting it. Sure you'll loose all your memory, but at least it will work again. If you go on the manufacturer's website, i am sure it will tell you how to do that.

Hope this helps!

Posted on Dec 14, 2008

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Toshiba will not boot


It needs those things to start up. If you reinstalled them in the machine and it won't start up you need to check some things:
Does the screen flicker when you power it on or does it stay completely black? If it stays completely black, then the connection from the screen to the computer itself is lost. Normally it is caused by a broken cable.

If the screen flickers and then goes black, then check the following:
Does it beep at you? If it does, then the amount of beeps is important. It will state in the users manual what that numbers mean.
If it doesn't beep, then my best guess would be that there is something wrong with the power distribution in the machine.

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I've had my compaq presario cq61 for about 2-3 years. A while back it would occasionally have a kind of shaky/blinky screen but just in the past week it's like the screen has stopped working.


The problem may be due the graphics card or data cable or backlighting.

The data cable can be severed over time though opening and closing the display. This can be replaced.
The backlighting/inverter dies, some-times the windows desktop screen can be seen if one looks carefully. This can also be replaced.

Try connect your notebook to another computer's monitor via VGA or HDMI out.

If this works then the problem lies with your LCD screen.

Take care!
damnor01

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1 Answer

The screen on my Toshiba Tecra laptop has been flickering the past couple of weeks. Today, after using for about 5 minutes, the screen went completely black. I had to reboot to get the screen lit again. ...


Sounds like an inverter problem. If your laptop is still under warranty, send it in for repair. If not, and you know a little something about taking laptops apart, then you can take the screen a part and see the inverter behind the screen. It is long and skinny and has wires coming out of both ends, one side going to bulb, the other to the motherboard. Inverters are fairly cheap, and easy to replace... it's getting to it that is a pain.

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1 Answer

ACER screen goes black after a few minutes of being on. I then close the laptop then log on again and the screen comes on then flickers off back to black, can very faintly see the desktop in the back...


Hi. This might be an LCD issue or connector inside th LCD from the motherboard is loose. You may try troubleshooting the issue first before you send the computer for repair. This process will drain the remain electrostatic energy to your motherboard which sometime causing the issue. Please follow troubleshooting steps below.

Take out the battery and unplugged the power adapter
Press and hold the pwoer buttong for 30 secs
Put everything back in
Power ON the computer

have a good one!


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not to get to concerned just yet, a few tips, when you press on the top of the laptop case by the screen area in the back of the laptop do you notice the screen flickering off? and when you let go dose it come back on? if so this can be a faulty wire or bad inverter, they are actually both very simple to fix and relatively cheap fixes.

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You could have a defective screen, either a faulty inverter or a CCFL lamp - follow this to determine the fault.

Defective CCFL backlight, it may have the following symptom:
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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.
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I am sure that the issue is related to the cable that connects to the LCD Display or the LCD Backlight.
There should be some connection shortage because of which the LCD flickers few times as stated by dan231.
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Symptoms of a Bad Video Driver

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Download it from here
VIDEO DRIVER FOR LATITUDE

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