Rtc Battery - HP TouchSmart tx2 Maintenance And Service Manual

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
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
5. Remove the hard drive cover (see
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
Battery on page 38).
Hard drive on page
Spare part number
449729-001
40).