Question about Computers & Internet
Not a lot to go on here, Prabhdeep
Need the full model information
Acer Aspire 5535-5050
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An LCD screen does not produce light,
Click on the monitor icon
Because of this the LCD screen needs an additional light source.
A Backlight is the additional light source.
A Backlight can be a CCFL, (Or more than one), or a series of LED's.
(Light Emitting Diode)
CCFL = Cold Cathode Fluorescent Lamp (Bulb)
Similar to Fluorescent lighting used in homes, and businesses; but on a MUCH smaller scale.
Average thickness is 2mm, or a little more than 1/16th of an Inch.
Or about the width of this capital letter -> O <-
Average length is almost as long, as the LCD screen is in height.
View the last 8 photos
(Do they break easily when trying to remove, and replace?
A screen Inverter is used to convert the power from the laptop, for the LCD screen, and Backlight.
If the laptop uses LED backlighting, it MAY or MAY NOT use a screen Inverter.
Generalized thinking (Can also be stated as 'Rule of Thumb'), is that if the laptop uses LED backlighting, it does NOT use a screen Inverter.
I also feel into this line of thinking, since none of the LED back-lit laptops seemed to use a screen Inverter; that came to the shop.
I have found this to be a fallacy from on here,......FixYa.....
I have looked up two laptops using LED backlighting, and discovered they also used a screen Inverter.
Now I post LED backlighting may, or may not use a screen Inverter.
Seems when LED backlighting first came out, a screen Inverter was used on some models.
Also seems as the LED backlighting technology progressed, no screen Inverter is used.
90 PERCENT of the time, the fault for bad Backlighting can be attributed to a bad screen Inverter.
Of course, this IS IF the laptop uses a screen Inverter.
For a laptop with LED backlighting that does not use a screen Inverter, and backlighting is bad (Dim, or non-existant), the next hardware part in the diagnoses to replace, is the LCD screen.
I now await the information I asked for above.
Then we can diagnose together.
Posted on May 10, 2013
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Posted on Jan 02, 2017
SOURCE: Laptop brightness
sometimes the power options on a notebook determines the brightness, but if you look to your keypad, there is normally keys that adjust the brightness along with the Fn(function button) But if you have damaged when dropping it, one of the backlights may have been broken within the screen.
Posted on May 18, 2007
There is no otherway. becase the slides sends direct signal to inverter for adjusting brightness. You can adjust brightness the
other way ,through graphic cards property, but that is only adjustment for the color and if you do make it bright, you'll be loosing the vivid color..not so natural.
Posted on Apr 19, 2008
You should be able to use the "FN" key and "F5" key, press and hold the "Fn" key then while holding that key, press the "F5" key to decrease the brightness. Use the same(Fn) key and "F6" to increase the brightness.
Posted on Jan 02, 2010
SOURCE: Increase brightness
I just figured out that you had to press the Fn key and the RIGHT ARROW key to increase the brightness and the LEFT ARROW key to decrease it ( and not the Up and Down arrow keys)
Posted on Mar 04, 2010
SOURCE: contrast is way too bright,
Right click on your main screen. Go to properties, or graphic properties, then you will find there is a contrast adjustment within. Usually under color correction.
Posted on Mar 24, 2011
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