![](/images/backgrounds/288173/hp-compaq-mini-cq10-405dx-pc-maintenance-and-service-guide-16821879x1.png)
●WLAN module (see WLAN module on page 46)
●Memory module (see Memory module on page 51)
●RTC battery (see RTC battery on page 53)
●Fan/heat sink assembly (see Fan/heat sink assembly on page 71) Remove the system board:
1.Disconnect the display panel cable from the system board.
2.Disconnect the power connector cable from the system board.
3.Remove the Phillips PM2.0×4.0 screw (1) that secures the system board to the base enclosure.
4.Lift the right side of the system board (2) until it rests at an angle.
Component replacement procedures 69