Rtc Battery - HP EliteBook 2730p Maintenance And Service Manual

RTC battery

✎
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 (includes double-sided tape)
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
5. Remove the following components:
a. SIM (see
b. Hard drive cover (see
c. Keyboard (see
d. Hinge cover (see
e. Top cover (see
Remove the RTC battery:
1. Disconnect the RTC battery cable 1 from the system board.
2. Remove the RTC battery 2. The RTC battery is attached to the system board using two-sided tape.
Reverse this procedure to install the RTC battery.
Maintenance and Service Guide
"Battery" on page
"SIM" on page 4-9)
"Hard drive" on page
"Keyboard" on page
"Hinge cover" on page
"Top cover" on page
4-8).
4-10)
4-17)
4-20)
4-21)
Removal and replacement procedures
Spare part number
482963-001
4–23