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Anonymous Posted on Apr 14, 2012

How to open baklit or activate the light - Computers & Internet

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  • Master 5,051 Answers
  • Posted on Apr 15, 2012
General Systems Consulting
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If you're talking about the backlight inside the lcd screen, it would be easier to just replace the lcd screen. Take my word for it.

And how do you know it's the backlight instead of the lcd inverter? Is the screen dark? If so try this:

Shine a flashlight on the dark screen to see if you barelysee the icons on the desktop. If so, then the LCD Inverter is bad.

Plug in an external monitor and see if the display shows up on it. It can beany kind of monitor even the old big fat crt monitors as long as it has a vgacable to connect to your computer's vga port. If so that proves yourvideo card is ok. The video will show on most systems when you rebootwithout 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 correctkey for displaying on the monitor (F1 thru F12). The correct key willnormally have CRT/LCD on it or it will have the icon of a display.

If you see no icons by shinning a flash light and the external monitor works,then your screen is bad. If you see no icons by shinning the flash lightand nothing shows on the external monitor, then most likely your video card isbad.

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Entrance light on Lift Master garage door opener won't stay on when door is opened ?

Light Feature
Activate the Light Feature
  1. Close the garage door.
  2. Start with the garage door opener lights "ON".
  3. Press and hold the light button for 10 seconds. (Upon pressing the light button, the lights will immediately turn off and come on 10 seconds later.)
Deactivate the Light Feature
  1. Close the garage door.
  2. Start with the garage door opener lights "OFF".
  3. Press and hold the light button for 10 seconds. (Upon pressing the light button, the lights will immediately turn on and go off 10 seconds later.)
Light Timer
Press the Light button to turn the opener light on or off. It will not control the opener lights when the door is in motion. If you turn it on and then activate the opener, the light will remain on for 4-1/2 minutes. Press again to turn it off sooner. The 4-1/2 minute interval can be changed to 1-1/2, 2-1/2, or 3-1/2 minutes as follows:
  1. Press and hold the Lock button until the light blinks (about 10 seconds).
  2. A single blink indicates that the timer is reset to 1-1/2 minutes.
  3. Repeat the procedure and the light will blink twice, resetting the timer to 2-1/2 minutes.
  4. Repeat again for a 3-1/2 minute interval, etc., up to a maximum of four blinks and 4-1/2 minutes.
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I think the key is pulling the vent to the left.

From page 36 of the online version of the owner's manual, which also mentions the active grille's presence on some models:

Oven Light

Replace the burned-out bulb with a 120 volt, 20-watt
halogen bulb (WB36X10213), available from your
GE supplier.

To replace the oven light, first disconnect the
power at the main fuse or circuit breaker panel
or pull the plug.

Remove the top grille by taking out the screws
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Next, remove the light cover.

On some models, the light cover is located
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On some models, the light cover is located at the
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Pinch the clips that hold the light socket in
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Remove the bulb from the light socket by
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Replace the grille and screws. Connect electrical
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