Dismantling an old friend
Armed with just a screwdriver and our cunning
01. Start with the screws
We'll start with removing all the screws. Switching to your finger tools see how amenable the bottom of the case is to being removed, in this case the bottom pretty much fell off.
Normally you'll need a small flat-head driver to carefully un-clip the loosest area of the case and take it from there. Keep an eye out for screws hidden behind stickers or rubber feet.
02. Look at what you've done
Often this is as far as you'll need to venture as you have access to all the main components including the hard drive, memory expansion, wireless mini-PCI-e module, cooling module and backup battery. For keyboard and touchpad repairs, screen replacements and motherboard repairs you have to venture further. First, taking a photo for reference.
03. Getting sticky
There will be a lot of tape holding various wires and components tidily in place. You'll need to remove all of these, which is why a reference photo will be handy when putting everything back.
Some removable components, such as the hard drive or wireless module will be screwed into place. It's likely these will need to be removed if you want to remove the mobo.
04. The screening process
The last major component to go is the screen. On most models this is firmly held in place by a screw beside each hinge.
On top of this you'll find a number of cables going into the screen that carry the power, the video data, any wireless antenna that are embedded in it, plus data cables for webcams or mics. Undo and unplug these and the screen should come away.
05. Get your mother out
The keyboard, touchpad, speakers, chassis, LEDs and other sensors, such as Bluetooth adaptors will trail cables to the top and bottom sides of the mobo.
The ribbon connectors usually flip up; older types have a pull up section. You'll often find the keyboard ribbon awkwardly connects to the underside, you may have to yank the mobo away from this.
06. Keyboard popping
Keyboards are usually stronger than they look as they are designed to be highly flexible. The main issue is trying to work out if they're designed to be removed from the outside or from inside. Often if you look along the top row of keys you can spy tabbed areas to insert a flat-head screwdriver and pop them out. With this model it had to be popped from the rear.
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http://www.techradar.com/news/mobile-computing/laptops/how-to-repair-your-laptop-1030241