HP Pavilion Dv4 2100 Entertainment Notebook Pc Series Manual

Removal and replacement procedures
Maintenance and Service Guide4–9
7. If it is necessary to replace the hard drive bracket:
a. Remove the two Phillips PM3.0×3.0 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: 
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 disconnecting the power cord from the AC outlet and then 
disconnecting the AC adapter from the computer....

Removal and replacement procedures
Maintenance and Service Guide4–11
4. Spread the retaining tabs 1 on each side of the memory module to release the memory module. (The edge of 
the module opposite the slot rises away from the computer.) 
5. Remove the memory module by sliding the module to the right 2. 
✎Memory modules are designed with a notch 3 to prevent incorrect insertion into the memory 
module
 slot.
Reverse this procedure to install the memory module. 

4–12Maintenance and Service Guide
Removal and replacement procedures
RTC battery
Before removing the RTC battery:
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 disconnecting the power cord from the AC outlet and then 
disconnecting the AC adapter from the computer. 
4....

Removal and replacement procedures
Maintenance and Service Guide4–13
3. Disconnect the RTC battery cable 1 from the system board.
4. Remove the RTC battery 2.
Reverse this procedure to install the RTC battery. 

4–14Maintenance and Service Guide
Removal and replacement procedures
TV tuner
Before removing the TV tuner:
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 disconnecting the power cord from the AC outlet and then 
disconnecting the AC adapter from the computer. 
4. Remove...

Removal and replacement procedures
Maintenance and Service Guide4–15
WLAN module
DescriptionSpare part number
Broadcom BCM4312 802.11b/g for use in Canada, the Cayman Islands, Guam, Puerto Rico, the 
United States, and the U.S. Virgin Islands504593-003
Broadcom BCM4312 802.11b/g for use in Afghanistan, Albania, Algeria, Andorra, Angola, Antigua 
and Barbuda, Argentina, Armenia, Aruba, Australia, Austria, Azerbaijan, the Bahamas, Bahrain, 
Bangladesh, Barbados, Belarus, Belgium, Belize, Benin, Bermuda,...

4–16Maintenance and Service Guide
Removal and replacement procedures
Atheros AR5009 802.11a/b/g/n for use in Afghanistan, Albania, Algeria, Andorra, Angola, Antigua 
and Barbuda, Argentina, Armenia, Aruba, Australia, Austria, Azerbaijan, the Bahamas, Bahrain, 
Barbados, Belgium, Belize, Benin, Bermuda, Bhutan, Bosnia and Herzegovina, Botswana, Brazil, 
the British Virgin Islands, Brunei, Bulgaria, Burkina Faso, Burundi, Cambodia, Cameroon, Cape 
Verde, the Central African Republic, Chad, Chile, Colombia,...

Removal and replacement procedures
Maintenance and Service Guide4–17
Before removing the WLAN module: 
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 disconnecting the power cord from the AC outlet and then 
disconnecting the AC adapter from the computer. 
4. Remove the...

4–18Maintenance and Service Guide
Removal and replacement procedures
6. If it is necessary to replace the Mini Card bracket, remove the two Phillips PM2.0×5.0 screws 1 and then 
slide
 2 the bracket to the right to remove it.
Reverse this procedure to install the WLAN module.