First, prepare two small screwdrivers and a clean brush. You must remove battery to avoid unnecessary losses.

We can see some parts of memory and network cards after removed the first below rear cover. There are several screws which can be link to uninstall drive and motherboard screws.

Remove the baffle first.

You can see this baffle and shaft are on a plastic. It is need to uninstall the screws.

Following dismantle the keyboard.

There are two screws on the keyboard. Remove and you can see some cables there.

Take off the cables.

You can directly the entire screen by removing four screws and screen cables.

The next is LCD screeb cable. Just be careful for this is very fragile.

This screen and the motherboard completely out of respect.

Pick up the data cable which is link touchpad and motherboard. Out of C-shell of notebook from right to left.

There are a lot of cables on the motherboard.

Remove the screws which fix motherboard and open the D-shell of notebook.

ACER ASPIRE-3680 Fan

It is need to remove data cables in advance.

Be careful that from top to bottom to get out of the motherboard.

Take a look at ACER notebook bottom shell.

Turn over motherboard and you will see ACER ASPIRE-3680 Fan.  Focus on ACER ASPIRE-3680 motherboard.

We begin to dismantle the fan.

You must pull down power cord which link to fan.

To install back you can just in turn. In fact, ACER ASPIRE series are almost the same.