Acer Aspire 5040 Service Manual page 59

5. Remove two hex screws holding the main board on the rear side.
6. Then take out the main board from the lower case carefully.
7. Disconnect the fan cable then remove it.
8. Disconnect the modem board cable from the main board.
9. Remove the two screws holding the modem board.
10. Disconnect the modem board from the main board then remove it.
11. Disconnect the modem cable from the modem board.
12. Remove the three screws holding the CPU heatsink.
13. Remove the CPU heatsink from the main board.
14. Use a flat headed screwdriver to release the CPU socket lock (see the picture on the middle and on the
right).
Chapter 3 53