P
RESARIO
N
OTEBOOK
M
AINTENANCE
AND
S
ERVICE
G
UIDE
1800 S
ERIES
R
EMOVAL
AND
R
EPLACEMENT
37
Presario 1800 Series
Models: XL180, XL181, XL182, XL183, XL185,
and XL190, XL191, XL192
Removing the Real Time Clock Battery
Ä
CAUTION: 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.