HP 8730w HP EliteBook 8730w Mobile Workstation - Maintenance and Service Guide - Page 65
RTC battery, Remove the RTC battery - cmos battery
UPC - 884962212455
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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 449137-001 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 41). 5. Remove the keyboard (see Keyboard on page 54). Remove the RTC battery: 1. Press the clip on the right side of the battery socket (1) toward the right until the battery disengages from beneath the clip. 2. Remove the RTC battery (2) from the system board. Reverse this procedure to install the RTC battery. Component replacement procedures 57