Tip & How-To about Computers & Internet
On most laptop computers it is relatively easy to replace the LCD screen. All you will need is a good set of jewelers screwdrivers, preferably with hardened tips, so as not to round out the screw heads and perhaps a pair of needle nose pliers. If you do not have these they can be purchased at any large department store or online at http://www.mcmelectronics.com . If you opt to purchase from MCM also get an Ipod separation tool. It is useful for separating Ipods or the bezels around laptop screens.
Before starting it is helpful to put down an old bath towel to protect the laptop from scratches as you slide it around on the bench. Now open the laptop computer as you would to use it.
Look at the area around the actual LCD screen and you will see what look like rubber feet or sometimes flat plastic covers which match the color of the bezel. Remove all these with a very thin screwdriver and keep them for reassembly. They are held in with a small amount of sticky glue.
Once the covers are removed you should see screw heads, usually phillips. Remove the screws you find underneath the covers using the appropriate size and type of screwdriver.
Once you have removed all the screws, you should be able to pry the front bezel off with a very thin screwdriver or preferably the Ipod tool. Be careful not to bend the cover too much or it will break. Try to get under the edges as far as you can and as close to the hold down snap as you can.
Once the bezel is removed you will find at least 4, and possibly more screws, in a metal frame holding the screen in. The screws could be flat as you are looking at the screen, or more than likely they will be 90 degrees to the screen and screwed into the sides of the screen. Remove all these and you should be able to remove the LCD screen.
Before removing any wires mark both ends of the connector (male and female) with the same number. You can use a labelmaker or a sharpie to mark all connectors before removing them. There should only be one large connector on the rear of the screen and perhaps the wire to the inverter board.
Remove the inverter board connector. Remove the LCD screen connector. It could have 25 or more pins with a metal clip on each side which must be depressed to remove the connector from the socket. If your connector does not look like the one I described you could have a ribbon cable which is inserted into the appropriate sized socket. You also could have a ribbon cable held under a plastic bar. The type of connection will be different with different units but I have found that looking closely at any connector will usually reveal how they come apart.
If you haven't purchased a new screen yet you can get one at a good price at http://www.impactcomputers.com . Make sure that you are getting the correct screen. Each model is specific and there are different levels of quality. You must get the correct one for your unit. All the sites selling screens have a number you can call, or email them, if you are not sure.
Once you have the correct new screen you need to be careful when handling it. Do not drop or bend the unit and if at all possible, leave the protective plastic cover on the LCD screen as long as possible. Do not poke or press on the screen as this could damage it.
Install the new screen hooking up all wires removed previously correctly. Reverse the disassembly instructions to put the screen back together. Before crimping the bezel back on double check that all the wires are attached. Using your fingers squeeze around the perimeter of the bezel until you do not hear any snapping. This will mean that all the hold downs are attached. Look around the edge for any gaps, there should not be any.
When done with the assembly, test your unit. It should now work as good as new.
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Posted by Kim... on
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