HP Pavilion dx6500 HP Pavilion dx6500 Entertainment PC - Maintenance and Servi - Page 53

RTC battery, Remove the RTC battery

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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 RTC battery (includes double-sided tape) Spare part number 449729-001 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 36). 5. Remove the memory/WLAN module compartment cover (see Memory module on page 43). Remove the RTC battery: 1. Disconnect the RTC battery cable (1) from the system board. 2. Remove the RTC battery (2) from the clip built into the base enclosure. Reverse this procedure to install the RTC battery. Component replacement procedures 45

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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 (includes double-sided tape)
449729-001
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
36
).
5
.
Remove the memory/WLAN module compartment cover (see
Memory module
on page
43
).
Remove the RTC battery:
1
.
Disconnect the RTC battery cable
(1)
from the system board.
2
.
Remove the RTC battery
(2)
from the clip built into the base enclosure.
Reverse this procedure to install the RTC battery.
Component replacement procedures
45