Compaq XL280 - Manual (Page 110)

P RESARIO N OTEBOOK M AINTENANCE AND S ERVICE G UIDE 1800 S ERIES R EMOVAL & R EPLACEMENT 41
Presario 1800/1800T Series
Models: XL280, XL380, XL381,
and XL390
10. Locate the RTC battery on the system board to the right of the CD/DVD drive near the
rear edge of the chassis.
11. Using your fingers or a non-metallic object, gently pry up the RTC battery
1
and lift it
out of the battery socket 2 .
Note: If you are clearing the CMOS attributes, keep the battery out for at least 10
seconds before replacing it.
To replace the RTC battery, press the battery firmly into the socket, and reassemble the
remaining components by reversing their removal procedures.