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Monitor shuts off after a few minutes

It seems to run fine for a couple of minutes and then after two or three minutes the monitor will just go black. The power lights are still on and I can hear the fan/hd spinning.

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Re: Monitor shuts off after a few minutes

Can you see the whats on the display but just seems the background lighting is off?

Posted on Nov 13, 2007

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Laptop white screen

Maybe the lcd screen is going bad. Try an external monitor. if the external monitor works fine then your lcd screen on the laptop is going bad. If the external monitor behaves the same way, then the Video Card on the computer is going bad.

Plug in an external monitor and see if thedisplay shows up on it. It can be any kind of monitor even the old big fat crtmonitors as long as it has a vga cable to connect to your computer's vgaport. If so that proves your video card is ok. The video will showon most systems when you reboot without you having to do anything. Some systemswill require you to hit the FN (Function key) + F1 thru F12. Hold downthe FN key then hit the correct key for displaying on the monitor (F1 thruF12). The correct key will normally have CRT/LCD on it or it will havethe icon of a display.

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Toshiba Satellite L455-S5000 monitor blackout but works w an external monitor

This is a tricky situation, any fluid that ends up inside can cause a cascade effect, hours, days, weeks and even months before the full efects are known. You could end up changing the screen and down the road face major failure in the motherboard. Under the circumstances I would consider a laptop replacement.

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Laptop monitor blacks out but works fine with an external monitor

If your laptop appears to boot up and the hard disk LEDflashes, then the problem is probably a back light fault. This can be a faultyinverter or a faulty CCFL lamp. Please click on this link and follow myinstructions to identify the fault and possible fix :-

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Compaq presario b1900 fails to give output to monitor. If output comes out it gives blue screen and shuts down. If you switch on again the fan and disk do run but no output to screen. An external monitor...

That blue screen and shut down, means a problem on both OS and Hardisk.
If you got any hardisk for that laptop. try it and am sure it will work.
The faint beep means a good memory card.

Hope that helps!

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IBM Thinkpad T40 randomly shuts off

did the monitor turn off when it is in idle mode? it might be the monitor power options (it might have been set that when it is idle for an X minutes it will turn off). check the monitor power settings.

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Connecting an external monitor to acer 5720

I have had this before with my Dell Latitude C540/640. I don't know the ACER 5720 but here's a couple possible fixes for you.

1. Press the function key ( "fn" key, generally a blue key or blue lettering and usually in the bottom left corner of your keyboard) and press F8 (may be a different key on your laptop, again, not familure with the acer. The key usually has either CRT/LCD printed on it, or two monitors on it, one its just an outline of a monitor and the other is filled in. This will run you laptop through the three monitor options it has. (LCD - LCD & External - Just External)

2. Try closing and opening the lid of your laptop. Sounds a bit strange but it works sometimes for me. My guess is when you close you screen it would "dim/turn off" the LCD and re-opening it convinces it to turn the screen back on.

Hope this helps!


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Laptop monitor shutting off after after a few minutes

I have exactly the same problem though I have a toshiba laptop, after 3 years of intensive use i think the lcd is gone, cos it has nothing to do with os as it did the same even when entering setup. btw i used to let it 247 on like you did !

Jan 01, 2009 | Dell Latitude D600 Notebook

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look at the screen held in a bright light at an angle do you see the desktop dimly .
if not try the function monitor key,
connect an ext monitor to verify the video card is working ,fn monitor .
if you see the desktop dimly then the inverter may be out or the lamps.

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Dell inspiron b130 won't boot up.

Connect an external monitor to the laptop and see if you can see what is happening on that.
It is a possibility that your inverter is faulty and will need to be replaced. They will normally power on for a few seconds, then cut out.
Remember to set the laptop to use the external monitor with the function keys.

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