HP Presario CQ41-100 Compaq Presario CQ41 Notebook PC - Maintenance and Servic - Page 51

RTC battery, Loosen the two Phillips PM2.5×5.0 captive screws

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Removal and replacement procedures RTC battery Description RTC battery (includes cable and double-sided tape) Spare part number 486835-001 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 4-7). Remove the RTC battery: 1. Loosen the two Phillips PM2.5×5.0 captive screws 1 that secure the Mini Card compartment cover to the computer. 2. Lift the right side of the Mini Card compartment cover 2, swing it to the left, and remove the cover 3. 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 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 4-7
).
Remove the RTC battery:
1. Loosen the two Phillips PM2.5×5.0 captive screws
1
that secure the Mini Card compartment cover to the
computer.
2. Lift the right side of the Mini Card compartment cover
2
, swing it to the left, and remove the cover
3
.
Description
Spare part number
RTC battery (includes cable and double-sided tape)
486835-001