Acer Extensa Bluetooth

Many Acer notebook or laptops have a bluetooth switch close to the mousepad but do not have bluetooth installed. You can buy the bluetooth module from ebay and other places (specially in Taiwan since Acer is manufactured there). However, you need instructions on how to open and install the bluetooth.

Acer service guides: which shows how to open / disassemble the back panel, keyboard, the sequence / flowchart regarding what to open first, and how to get to the bluetooth connector from the service guide book on the 4000 series of laptops at Apparently someone thoughtful uploaded it. If you have similar useful service guides for other notebooks, please consider uploading it for others.

Also, here are some other useful links: