HP Pavilion Dv3 2100 Entertainment Notebook Pc Series Manual

4–6Maintenance and Service Guide
Removal and replacement procedures
Computer feet
The computer feet are adhesive-backed rubber pads. The feet are included in the Rubber Kit, spare part number 
534989-001. There are 6 rubber feet that attach to the base enclosure in the locations illustrated below.
Battery
Before disassembling the computer, 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...

Removal and replacement procedures
Maintenance and Service Guide4–7
Remove the battery:
1. Turn the computer upside down on a flat surface, with the battery bay toward you. 
2. Slide the battery release latch 1 to release the battery. 
3. Lift the front edge of the battery pack 2 until it rests at an angle.
4. Remove the battery 3 from the computer. 
Install the battery by inserting it into the battery bay until you hear a click.  

4–8Maintenance and Service Guide
Removal and replacement procedures
Hard drive
✎The hard drive spare part kit includes a hard drive connector and hard drive bracket.
Before removing the hard drive, 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...

Removal and replacement procedures
Maintenance and Service Guide4–9
5. Grasp the Mylar tab 1 on the hard drive and slide the hard drive 2 to the right.
6. Remove the hard drive 3 from the hard drive bay. 
7. If it is necessary to replace the hard drive bracket, follow these steps:
a. Remove the two Phillips PM3.0×4.0 screws 1 from each side of the hard drive. 
b. Lift the bracket 2 straight up to remove it from the hard drive. 
Reverse this procedure to reassemble and install the hard drive.  

4–10Maintenance and Service Guide
Removal and replacement procedures
Memory module
Before removing the memory module, 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...

Removal and replacement procedures
Maintenance and Service Guide4–11
WLAN module
ÄCAUTION: The WLAN module and the WWAN module are not interchangeable.
DescriptionSpare part number
Broadcom 4322AGN 802.11a/b/g/n WLAN module for use in Canada, 
the Cayman Islands, Guam, Puerto Rico, the United States, and the U.S. Virgin Islands504664-001
Broadcom 4322AGN 802.11a/b/g/n WLAN module for use in Afghanistan, Albania, 
Algeria, Andorra, Angola, Antigua and Barbuda, Argentina, Armenia, Aruba, Australia,...

4–12Maintenance and Service Guide
Removal and replacement procedures
Before removing the WLAN module, 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....

Removal and replacement procedures
Maintenance and Service Guide4–13
Remove the WLAN module:
ÄCAUTION: To prevent an unresponsive system, replace the wireless module only with a wireless module authorized 
for use in the computer by the governmental agency that regulates wireless devices in your country or region. If you 
replace the module and then receive a warning message, remove the module to restore computer functionality, and 
then contact technical support through Help and Support.
1. Lift the...

4–14Maintenance and Service Guide
Removal and replacement procedures
3. Remove the Phillips PM2.5×3.0 screw 1 that secures the WLAN module bracket to the computer.
4. Remove the WLAN module bracket 2. (The edge of the module opposite the slot rises away from 
the computer.)
5. Disconnect the WLAN antenna cables 3 from the terminals on the WLAN module.
✎The black WLAN antenna cable is connected to the WLAN module “Main” terminal. The white WLAN 
antenna cable is connected to the WLAN module “Aux”...

Removal and replacement procedures
Maintenance and Service Guide4–15
WWAN module
ÄCAUTION: The WLAN module and the WWAN module are not interchangeable.
Before removing the WWAN module, 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...