HP Presario V3600 Compaq Presario V3500 Notebook PC - Maintenance and Service - Page 62

RTC battery, Remove the hard drive cover see

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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 2-sided tape) Spare part number 417076-001 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 46). 5. Remove the hard drive cover (see Hard drive on page 47). Remove the RTC battery: 1. Disconnect the RTC battery cable (1) from the system board. 2. Remove the RTC battery (2). Reverse this procedure to install the RTC battery. 54 Chapter 4 Removal and replacement procedures

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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 2-sided tape)
417076-001
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
46
).
5
.
Remove the hard drive cover (see
Hard drive
on page
47
).
Remove the RTC battery:
1
.
Disconnect the RTC battery cable
(1)
from the system board.
2
.
Remove the RTC battery
(2)
.
Reverse this procedure to install the RTC battery.
54
Chapter
4
Removal and replacement procedures