Lenovo IdeaCentre A300 - Manual (Page 36)

Hardware Maintenance Manual
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8. Disconnect the hinge cable from the connector on the motherboard
and slide it out slowly.
Replacing the system fan
To replace the system fan
1. Remove the hinge cover. Refer to “Removing the hinge cover.”
2. Remove the hinge from LED panel. Refer to “Removing the hinge from
LED panel”
3. Remove the base top cover. Refer to “Removing the base top cover.”
4. Remove the motherboard cover. Refer to “Removing the motherboard
cover.”
5. Disconnect the system fan power cable from the connector on the
motherboard.
6. Remove the 3 screws that secure the system fan to the base bottom.