HP Presario CQ61-100 Compaq Presario CQ61 Notebook PC and HP G61 Notebook PC - - Page 55

RTC battery, Remove the RTC battery

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Removal and replacement procedures RTC battery Description RTC battery Spare part number 449729-001 Before removing the 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 ("Battery" on page 4-7). 5. Remove the hard drive cover (see "Hard drive" on page 4-10). Remove the RTC battery: 1. Use a sharp, non-conductive tool to release the clip 1 that secures the battery to the system board. 2. Lift the battery 2 out of the computer. Reverse this procedure to install the RTC battery. 4-12 Maintenance and Service Guide

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4–12
Maintenance and Service Guide
Removal and replacement procedures
RTC battery
Before removing the 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 (
“Battery” on page 4-7
).
5. Remove the hard drive cover (see
“Hard drive” on page 4-10
).
Remove the RTC battery:
1. Use a sharp, non-conductive tool to release the clip
1
that secures the battery to the system board.
2. Lift the battery
2
out of the computer.
Reverse this procedure to install the RTC battery.
Description
Spare part number
RTC battery
449729-001