HP EliteBook 8740W Especificações descarregar pdf (Página 70)

RTC battery

Description Spare part number

RTC battery 449137-001

Before removing the RTC battery, follow these steps:

1. 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.

2. Disconnect all external devices connected to the computer.

3. 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.

4. Remove the battery (see

Battery on page 47).

5. Remove the memory module/wireless module compartment cover (see

WLAN module

on page 57).

Remove the RTC battery:

▲

Remove the RTC battery from the socket on the system board.

Reverse this procedure to install the RTC battery. When installing the RTC battery, make sure the “+”

sign faces up.

62 Chapter 4 Removal and replacement procedures

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HP EliteBook 8740W Especificações Página 70