Compaq 1600XL specifications Removing the Real Time Clock Battery

Presario 1600XL Series

Model 1600T, 1600-XL140, 1600-XL141, 1600-XL142, 1600-XL143, 1600-XL144,

1600-XL146, 1600-XL147, 1600-XL150 XL156, XL157, XL255, XL256, XL257, and XL258

Removing the Real Time Clock Battery

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 12).

2.Remove the Palmrest Cover with TouchPad (pg 15).

3.Remove the keyboard (pg 18).

4.Remove the Heatspreader (pg 24).

5.Remove the Internet Button Board (pg 22).

6.Remove the display panel assembly (pg 33).

7.Remove the hard drive (pg 27).

8.Remove the RTC battery from the battery socket, prying gently with a non-conductive piece of material. The RTC battery is located on the system board behind the CD/DVD drive near the rear edge of the chassis.

To replace the RTC battery, press the battery firmly into the socket and reverse the previous procedures to replace the remaining components.

PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1600XL SERIES REMOVAL SEQUENCE 37