HP TouchSmart tx2-1109au HP TouchSmart tx2 Notebook PC - Maintenance and Servi - Page 50

RTC battery, Remove the battery 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 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 cord. 4. Remove the battery (see Battery on page 38). 5. Remove the hard drive cover (see Hard drive on page 40). Remove the RTC battery: ▲ Use a non-conductive, flat-bladed tool to pry the RTC battery out of the socket. Reverse this procedure to install the RTC battery. Be sure the RTC battery is installed with the "+" sign facing up. 42 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
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 cord.
4.
Remove the battery (see
Battery
on page
38
).
5.
Remove the hard drive cover (see
Hard drive
on page
40
).
Remove the RTC battery:
▲
Use a non-conductive, flat-bladed tool to pry the RTC battery out of the socket.
Reverse this procedure to install the RTC battery. Be sure the RTC battery is installed with the “+”
sign facing up.
42
Chapter 4
Removal and replacement procedures