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During 0pertion screen become dark and cmputer does not functioning

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If this is a CRT type then it is possible that the screen voltage is coming down. You can open and set this up or the potentiometer may be faulty or a high voltage capacitor is weak in the screen/grid cirrcuit.
Temporarily the screen voltage can be trimmed up and the set cleaned.

Posted on Aug 31, 2010

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Screen goes dark at random times

Usually caused by 1 of 3 issues:
1. Backlight in screen failing
2. Inverter board failing
3. Loose connectors or cracked wires from motherboard to screen.

To rule out other motherboard related issues, connect an external monitor and see if it functions properly.

Replacing a laptop screen is usually fairly easy - and instructions can be found easily on the internet. Use care, and don't force parts apart. Taking your time and exercising considerable patience will bring a successful repair.

Instructions, and parts, can be found easily on the Internet by searching for "<my laptop make and model> screen replacement".

If you're not comfortable doing this yourself, numerous local computer repair shops provide this service - or you can send the computer to repair services available on the Internet.

Dec 30, 2012 | Computers & Internet

2 Answers

My ti - 83 hasn't been used in a while, placed new batteries in it and all i get is dark won't even turn off......there is just a dark screen......any ideas what causing this and how to fix...

The most probable cause (at least I hope so) is that the screen got too dark after you changed the batteries. It is a common occurrence: Screen becomes too dark or too light.
To adjust the screen contrast:
  1. Press ^2nd key and release it.
  2. Press and HOLD the DownArrow key until screen lightens to your taste.

Mar 09, 2010 | Texas Instruments TI-83 Plus Calculator

1 Answer

I replaced the 4 AAA batteries and it won't turn on do I have to replace the back up battery as well? Thanks

There is a strong probability that your calculator is functioning correctly. The problem is that after replacing main batteries the screen contrast may become too dark or too light (your case).
To fix this "problem" you must adjust the contrast.
To darken screen:
  1. Press [2nd] key and release it.
  2. Press and HOLD the UpArrow
  3. Keep pressing UpArrow until screen is dark enough.
Try this adjustment. I am confident it will bring your calculator to life.
If it fails, post a comment to this thread and I will give your additional diagnostic procedures.

Feb 20, 2010 | Texas Instruments TI-83 Plus Calculator

1 Answer

Hp530 screen real dark can see little how to

If it's due to the display settings on your computer, please do this-

Keep on holding down the function key(Fn - probably second key from bottom left) on the laptop and then press F10 key till you get the screen to become brighter.

Please let me know if it works, otherwise, we will have to gothrough a series of steps to resolve it.

Dec 27, 2009 | HP 530 Notebook

2 Answers

When i connect my dell latitude d630 laptop to projector it did not work. Pl. suggest any suitable solution. Regds safi

after connecting the projector just press function key and F4 . After pressing these key the projector connected automatically

Jun 02, 2009 | Computers & Internet

1 Answer

Nav background color changes by itself

it dims so u wont get blinded from the lights

Mar 30, 2009 | Dodge Ram Cars & Trucks

1 Answer

Sony Vaio Micro Cmputer Back Screen with lines at Startup

Either of 2 things.
1. The ribbon cable that connects the screen to the board may have become loose. If you have tools it should be a quick fix.
2. The screen is smashed.

Jan 17, 2009 | Microsoft Sony VAIO 3544501 Notebook

1 Answer

Screen goes out periodically

screen went into sleep mode. you can set the time in system manu some where.

Oct 24, 2007 | Casio Cassiopeia E-125 Pocket PC

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