HP 701977-211 ユーザーズマニュアル

Reverse this procedure to install the WWAN module.

RTC battery

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Before removing the RTC battery, follow these steps:

Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn
the computer on, and then shut it down through the operating system.

Disconnect all external devices connected to the computer.

Disconnect the power from the computer by first unplugging the power cord from the AC outlet
and then unplugging the AC adapter from the computer.

Remove the battery (see 

Remove the service access cover (see 

Remove the RTC battery:

Disconnect the RTC battery cable (1) from the system board and remove the RTC battery (2).

You may need to remove some double-sided adhesive.

Reverse this procedure to install the RTC battery.

The upgrade bay supports both optical drives and hard drives. If you switch from a hard

drive to an optical drive in the upgrade bay, you will need to remove four additional screws that
secure the hard drive carrier.

Blu-ray R/RE DVD±RW SuperMulti Double-Layer Drive

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DVD±RW SuperMulti Double-Layer Drive

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Component replacement procedures

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