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LCD NO DISPLAY

EVERYTIME I CLOSE MY CLOSE MY LAPTOP NO DISPLAY APPEAR AY MY MONITOR AND WHEN I SLIGHTLY TOP MY LCD IT APPEAR.

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  • rldator Dec 31, 2008

    where can I find the Micro switch

  • Ed Deguzman
    Ed Deguzman May 11, 2010

    Are you using a docking station where you use an external monitor ?

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  • 41 Answers

Hi rldator
Laptop have a built in micro switch that puts the laptop in sleep mode when you close the notebook.
Regards Go-Tech

Posted on Dec 30, 2008

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Vertical strip of flashing horizontal lines on Acer Aspire 7551G screen


More than likely it's the lcd screen and will have to be replaced. I could be the video card, but most likely the lcd screen especially when you can put pressure on the screen and cause changes. To isolate the problem try connecting another monitor to the computer. Borrow a monitor from a neighbor, friend, relative or co-worker and connect it to the laptop. If the Borrowed monitor displays ok, then the problem is with your lcd screen and the video card is ok. If the Borrowed monitor displays the same as your lcd screen then the problem is with your video card inside the computer.

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

Once you narrow it down to the lcd screen as being the problem you might try taking the lcd screen apart to reseat the lcd cable on the back at the top of the lcd. Just unplug it and plug it back into the connector. You can also try doing the same where the lcd cable plugs into the motherboard. Just pull it out and put it back.

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While at home I plug a wide screen monitor into my Dell studio 1737 Laptop. As long as I keep my lid open the icons and print on my monitor are the right size. When I close the lid, icons and prints get...


You appear to be cloning your internal LCD and as long as it is active, the resolution setting for the LCD is also controlling the resolution of the external monitor. When the LCD is closed, then the default resolution of the external monitor is being used by Windows 7 (It apparently has autodetected the size of the monitor and knows the Highest optimal resolution it will display.) The higher the resolution, then smaller the icons.
To resolve, go to display properties and check the resolution of the internal LCD and then set the External display to the lower resolution.
You should be able to wake the system with an external keyboard, by pressing the spacebar, if the system is sleeping

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No display on screen every now and then on my hp 530 laptop...


A bundle of wires runs from the laptop to the screen past the hinge, if the wire gets crimped you can get a short that will cause video issues. If you can wiggle the screen back and forth, bump the laptop, close the top slightly, etc. and change the display appearance, that's probably your issue. Replacing the wires is usually pretty easy but soldering them back to both the board in the system and the LCD panel could be difficult.

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Based on your description, it appears that the monitor is faulty. Since it is only a week old, you should have no problem exchanging it.

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Hi,

Its LCD problem. Its unrepairable. This happen when unbearable weight has placed on laptop LCD or mishandling of the laptop. Better to ignore it or replace your LCD.



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How do you connect an LCD monitor to lap top


follow the steps on this page:
http://ask-leo.com/how_can_i_keep_my_laptop_running_with_the_lid_closed.html

Click on this link or copy and paste the complete link into your browser.
If I could be of further assistance, let me know. If this helps or solves the issue, please rate it.
Thanks, Joe

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Flickering screen on startup


Sounds like hardware. Several possibilities come immediately to mind:

1) Backlight is going bad. (It's a fluorescent light).
2) Bad inverter
3) Loose or bad cable in laptop hinge

If the picture is OK using an external monitor, it's probably one of those three.

I've used these guys before for screen repair: Unknown document title.

http://www.notebookmechanix.com/


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Monitor is blank!!!!


Firstly, the LCD+external setting will switch one or the other or both on.

Secondly, if you go into your display properties (or even the advanced page where your video card additional features are) you can usually select which monitor is "primary".

I suspect that your external display is primary, and the LCD screen is not "enabled" or used as part of the desktop.

The settings are all there, it's just a matter of finding them (depending on what video card is in whatever laptop you have)

This might have happened in the first place if you accidentally hit "Fn" and one of the "F" keys up the top. Fn + F6 on my laptop will switch LCD/external monitors on and off. (for example) There is usually a little blue picture on one of the "F" keys to denote that function.

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LCD Screen problem


You have a failed inverter circuit. This is a very common fault with BenQ and other LCD monitors. I have seen more FP737 and FP731's and all their cousins in the last 2 years then I care to count.

You will be best to take it to a TV technician and have them do the repair. There are ways to fix it yourself, but the chances of success are not great without a decent amount of electronic knowledge.

Call several places and get approx quotes based on the inverter fault. A lot of TV techs will not work on LCD monitors and is another good reason to call around first.

One final thing, check the manufacture date on the back of the monitor, these normally come with a 3 year warranty and it will be either expired now, or very close to it. If it is still under warranty, then contact BenQ near you to facilitate the repairs.

BenQ support webpage.

Apr 15, 2008 | BenQ FP731 17" LCD Monitor

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