HP 8730w HP EliteBook 8730w Mobile Workstation - Maintenance and Service Guide - Page 65

RTC battery, Remove the RTC battery - cmos battery

Page 65 highlights

RTC battery NOTE: Removing the RTC battery and leaving it uninstalled for 5 or more minutes causes all passwords and CMOS settings to be cleared. Description RTC battery Spare part number 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 41). 5. Remove the keyboard (see Keyboard on page 54). Remove the RTC battery: 1. Press the clip on the right side of the battery socket (1) toward the right until the battery disengages from beneath the clip. 2. Remove the RTC battery (2) from the system board. Reverse this procedure to install the RTC battery. Component replacement procedures 57

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RTC battery
NOTE:
Removing the RTC battery and leaving it uninstalled for 5 or more minutes causes all
passwords and CMOS settings to be cleared.
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
41
).
5.
Remove the keyboard (see
Keyboard
on page
54
).
Remove the RTC battery:
1.
Press the clip on the right side of the battery socket
(1)
toward the right until the battery disengages
from beneath the clip.
2.
Remove the RTC battery
(2)
from the system board.
Reverse this procedure to install the RTC battery.
Component replacement procedures
57