Removing the Real Time Clock Battery

Models: XL180, XL181, XL182, XL183, XL185,

and XL190, XL191, XL192

ÄCAUTION: Removing the RTC battery clears the power-on password and removes all setup attributes that are programmed in the CMOS.

To remove the RTC battery, complete the following steps:

1.Prepare the Notebook for disassembly (pg 11).

2.Remove the Palmrest cover with TouchPad (pg 14).

3.Remove the keyboard (pg 17).

4.Remove the Heatspreader (pg 23).

5.Remove the Internet Zone cover (pg 18).

6.Remove the Internet button board (pg 21).

7.Remove the hard drive (pg 25).

8.Remove the upper CPU cover (pg 34).

Continued on the next page.

PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1800 SERIES

REMOVAL AND REPLACEMENT 37

Compaq XL191, XL190, XL180, XL192, XL183, XL181, XL185, XL182 Removing the Real Time Clock Battery