Removing the Mainboard

Advance Technical Repair of Laptops Motherboard

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See See See See See See See See See

10. See

11. See

12. See

Removing the Battery Pack" on page 51.

Removing the SD Dummy Card" on page 51.

Removing the Express Dummy Card" on page 52.

Removing the Lower Cover" on page 53.

Removing the Fan Module" on page 60.

Removing the CPU Heatsink Module" on page 61.

Removing the CPU" on page 62.

Removing the Middle Cover" on page 64.

Removing the Keyboard" on page 65.

Removing the LCD Module" on page 66.

Separating the Upper Case from the Lower Case" on page 70.

Remove the Daughter Board" on page 74.

13. Remove the screw (A) holding the mainboard.

Mainboard Acer Travelmate 4720


Size (Quantity)




M2 x L4 (1)


1.6 kgf-cm

Carefully detach the mainboard from the lowercase.

Mainboard Acer 4220

15. Turn the mainboard over then disconnect the modem cable from modem board.

16. Disconnect the modem board cable from the mainboard.

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