Rtc battery – Compaq V6500 User Manual
Page 54
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 2-sided tape)
446518-001 and
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
).
5
.
Remove the memory/WLAN module compartment cover (see
).
Remove the RTC battery:
1
.
Disconnect the RTC battery cable (1) from the system board.
2
.
Remove the RTC battery (2).
NOTE:
The RTC battery is secured to the computer by 2-sided tape. All replacement RTC battery
spare part kits include 2-sided tape.
Reverse this procedure to install the RTC battery.
46 Chapter 4 Removal and replacement procedures