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Tuesday, 16 August 2011

Acer Aspire 7540, 7540G, 7551, 7551G, 7738G, 7741G, 7741Z - LCD Change


Fitting a new screen to replace the broken, flickering/twitching on of Acer Aspire 7540, 7540G, 7551, 7551G, 7738G, 7741G or 7741Z as many do not know, is quite easier than thought. Because the AS7540, AS7540G, AS7551, AS7551G, AS7738G, AS7741G and AS7741Z series laptop come with 17.3 inch Cinecrystal LED widescreen it is likely to break easier than any other laptop because of its size.

In this tutorial I will show you how to dismantle a cracked/broken, damaged or flickering 17.3 inch LCD screen of the Acer Aspire laptop series.

Always have the new screen with you before starting the laptop screen repair for a quick swap with the defective one.

Acer Aspire 7540 Screen
Acer Aspire 7540G Screen
Acer Aspire 7551 Screen
Acer Aspire 7551G Screen
Acer Aspire 7738G Screen
Acer Aspire 7741G Screen
Acer Aspire 7741Z Screen


Acer Aspire 7540 Laptop With Broken Screen








Always remove the laptop battery before starting any repair on a laptop.













Use a flat screwdriver to remove the 7540, 7540G, 7551, 7551G, 7738G, 7741G or 7741Z screen plastic or rubber covers. Underneath these covers you will find the screws holding the bezel to the back-cover.







Remove Plastic Bezel





Place your fingers in the space line between the screen and the plastic bezel and start pulling firmly on all the sides.












The bezel is very fragile and easy to snap so you must do this with care. You must not pull too hard.


Use the image below to pull the screen slightly towards you slightly and start removing the side screws from the brackets. The brackets, joined at the hinges area and on the both sides of the laptop act as holders to the laptop screen.

Remove laptop side-screws


By placing the screen face-down on the keyboard area you will be able to see the back of the screen and the cable connection. As a 17.3 HD LED LCD Cinecrystal screen the Acer Aspire 7540, 7540G, 7551, 7551G, 7738G, 7741G and 7741Z  notebooks come with only one connection at the back of the monitor panel. This cable when defective may cause the screen to go black, black or dark and may also cause the distortion of the images displayed. Most of the time lines-on-screen is seen to be the usual effects when the display cable is defective.

The screen part number on the sticker can range from LP173WD1-TL A1 or A2 made by LG, LTN173KT01 made by Samsung, B173RW01 V.0, V.1 or V.2,   N173O6-L02 REV C1 Chi Mei make and last but not least Chughwa CLAA173UA01A.

The above screens are very much compatible and interchangeable so it will not matter the manufacturer model you have acquired from the laptop screen retailer.


Back of Laptop Screen

Carefully pull up the clear tape holding down the display cable and pull the data connectors apart. This must be done with care as any mistake may cause a permanent damage to the cable or the connector and this is unrepairable.

Disconnect Display Cable


The Acer Aspire 7540, 7540G, 7551, 7551G, 7738G, 7741G or 7741Z  screen removal process is complete. To replace it with a new one you only need to carry out the instruction in a reverse.


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