Question about IBM ThinkPad T42 Laptop

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Where the key to turn the light on when working in the dark

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Look on your F keys (F1, F2, F3 etc... ) You will see the Icon for the Upper Light... To Enable it, Press The Function Key (Fn) and the corresponding F key..

Posted on Nov 17, 2009

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Posted on Jan 02, 2017

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1 Answer

1993 Buick Century Turn signals don't work.


sihelp megnals do not work car will not start with key i jumped starter with screwdriver started right up

Feb 25, 2011 | 1993 Buick Century

1 Answer

I cant get both switches to work properly one minute it turns the light on the next they done work. is the red wire suppose to hook up to the black screw


The key to three-way switches is the dark screw.
And different brands of switches put dark screw on different side of switch.

So, lets get out of this mess with a bit of testing.
You have two switches with 3 wires on each switch for a total of 6 wires.
Take out both switches and separate wires for testing.

Turn on power and test each wire to bare copper wire.
One and only one wire will test Hot.
The hot wire goes to dark screw on switch1.
The other two wires in that box go to either screw on switch1.
One switch done, one switch to go.

Move switch1 lever to down position.
Turn on power and test 3 remaining wires.
One wire will test hot. Mark this wire.
Move switch1 to up position, and test 3 remaining wires again.
A second wire will test hot. Mark this wire.
The 2 marked wires attach to either brass screw on switch2.
The third wire attaches to dark screw.
Both switches done.

geno_3245_86.jpg

Nov 19, 2010 | Pass & Seymour Trademaster 3-Way 15 Amp...

2 Answers

My ti - 83 hasn't been used in a while, placed new batteries in it and all i get is dark screen.....it 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

Changed battery, still not turning on. what do i do?


The most frequent cause for this ''not turning on'' is a screen that is too light to see anything displayed. Try increasing the screen darkness.
Press 2nd key and release it
Press and hold the Up Arrow until it is dark enough.

If the does not work
  1. Press 2nd key and relese it
  2. Press UpArrow and release it
  3. Repeat the two steps until screen is dark enough.

Jan 02, 2010 | Texas Instruments TI-86 Calculator

1 Answer

The keys do not light up in the dark on my keyboard in the dark


I had the same question a month ago (with the Verizon version) and found that the actual problem was that I had the brightness turned all the way down. When I turned the brightness up to the second notch from the left, the keys lit up again. Although, I do not have it set to only turn on the keyboard backlight on in the dark. I have it set to always turn on when I slide out the keyboard. I also noticed that when I had the brightness turned all the way down, the lights on the front (aside from the touchscreen) i.e. the internet explorer button, would not light up either. That helped me a little with troubleshooting. Hope this helps!

Dec 26, 2008 | HTC PPC-6800 Smartphone

1 Answer

Key Pad Light


Keypad light is turned on and off by sensing whether you are in light or in dark.
The phone turns off the keypad light when you are in sufficient light conditions.


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Oct 29, 2008 | Nokia N72 Cellular Phone

1 Answer

Light/Dark Screen


Turn on the TI 83 enter 1234
1. press the <2nd> once; press and hold the <up-arrow> until you get the numbers as dark as you want. If you let up and press the arrow key again you have turned the function off. You must start over by pressing the <2nd> key then the <up-arrow> key and hold.

2. If the numbers are too dark; press <2nd> once and hold the <down-arrow> to get it corrected.

3. If this does not correct the light/dark screen condition you need to buy new batteries!

Hope you can follow my explination.

R. Meidell

Oct 15, 2008 | Texas Instruments TI-83 Plus Calculator

4 Answers

Light Copy


first you press the exposure key and select the manual exposure mode then press and hold exposure key for 5 seconds when it blinks select the position to dark and press exposure key again,try to make the copy if no defrence ,select the photo mode and press and hold the exposure key again select the dark position by dark exposure key and press exposure key again.check the copy if again no difference change the DEVELOPER

Sep 14, 2007 | Kyocera RI-3530 Black and White Copier

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