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. 
4. Remove the battery (see “Battery” on page 4-7). 
✎The top memory module slot is for expansion memory and the bottom slot is for primary memory.
Remove the memory module:
1. Position the computer with the front toward you.
2. Remove the Phillips PM2.5×6.0 captive screw 1 that secures the memory module compartment cover to the 
computer.
3. Lift the right side of the cover 2, swing it to the left, and lift the cover off the computer 3. The memory 
module compartment cover is included in the Plastics Kit, spare part number 486833-001.
DescriptionSpare part number
1024 MB (1066 MHz, DDR3)590351-001
2048 MB (1066 MHz, DDR3)590352-001
4096 MB (1066 MHz, DDR3)590353-001 
						

							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. Remove the battery (see “Battery” on page 4-7).
Remove the RTC battery:
1. Remove the two Phillips PM2.5×6.0 captive screws 1 that secure the Mini Card compartment cover to the 
computer.
2. Lift the right side of the Mini Card compartment cover 2, swing it to left, and remove the cover 3. 
DescriptionSpare part number
RTC batter y486835-001 
						

							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 the battery (see “Battery” on page 4-7).
5. Remove the Mini Card compartment cover (see “RTC battery” on page 4-12).
Remove the TV tuner:
1. Disconnect the TV tuner cable 1 from the system board.
2. Remove the two Phillips PM2.0×5.0 screws 2 and slide the TV tuner to the left 3 to remove it. 
✎Memory modules are designed with a notch to prevent incorrect insertion into the TV tuner slot.
Reverse this procedure to install the TV tuner.
DescriptionSpare part number
ATSC/NTSC TV tuner antenna482900-001
TV tuner antenna with PAL jack482900-002
ATSC/NTSC TV tuner482899-001
DVB-T/ANG Integrated TV tuner482899-002
DVB-T tuner482899-003
DVB-T tuner for use only in the AP region482899-004 
						

							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, Bhutan, Bolivia, Bosnia and 
Herzegovina, Botswana, Brazil, the British Virgin Islands, Brunei, Bulgaria, Burkina Faso, Burundi, 
Cambodia, Cameroon, Cape Verde, the Central African Republic, Chad, Colombia, Comoros, the 
Congo, Costa Rica, Croatia, Cyprus, the Czech Republic, Denmark, Djibouti, Dominica, the 
Dominican Republic, East Timor, Ecuador, Egypt, El Salvador, Equitorial Guinea, Eritrea, Estonia, 
Ethiopia, Fiji, Finland, France, French Guiana, Gabon, Gambia, Georgia, Germany, Ghana, 
Gibraltar, Greece, Grenada, Guadeloupe, Guatemala, Guinea, Guinea-Bissau, Guyana, Haiti, 
Honduras, Hong Kong, Hungary, Iceland, India, Indonesia, Ireland, Israel, Italy, the Ivory Coast, 
Jamaica, Japan, Jordan, Kazakhstan, Kenya, Kiribati, Kuwait, Kyrgyzstan, Laos, Latvia, Lebanon, 
Lesotho, Liberia, Liechtenstein, Lithuania, Luxembourg, Macedonia, Madagascar, Malawi, Malaysia, 
the Maldives, Mali, Malta, the Marshall Islands, Martinique, Mauritania, Mauritius, Mexico, 
Micronesia, Monaco, Mongolia, Montenegro, Morocco, Mozambique, Namibia, Nauru, Nepal, the 
Nether Antilles, the Netherlands, New Zealand, Nicaragua, Niger, Nigeria, Norway, Oman, Pakistan, 
Palau, Panama, Papua New Guinea, Paraguay, the Peoples Republic of China, Peru, the 
Philippines, Poland, Portugal, Qatar, the Republic of Moldova, Romania, Russia, Rwanda, Samoa, 
San Marino, Sao Tome and Principe, Saudi Arabia, Senegal, Serbia, the Seychelles, Sierra Leone, 
Singapore, Slovakia, Slovenia, the Solomon Islands, Somalia, South Africa, South Korea, Spain, Sri 
Lanka, St. Kitts and Nevis, St. Lucia, St. Vincent and the Grenadines, Suriname, Swaziland, 
Sweden, Switzerland, Syria, Taiwan, Tajikistan, Tanzania, Thailand, Togo, Tonga, Trinidad and 
Tobago, Tunisia, Turkey, Turkmenistan, Tuvalu, Uganda, Ukraine, the United Arab Emirates, the 
United Kingdom, Uruguay, Uzbekistan, Vanuatu, Venezuela, Vietnam, Yemen, Zaire, Zambia, and 
Zimbabwe504593-004
Atheros AR9285 802.11b/g/n for use in Canada, the Cayman Islands, Guam, Puerto Rico, the 
United States, and the U.S. Virgin Islands518436-001
Atheros AR9285 802.11b/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, Comoros, the Congo, Costa Rica, 
Croatia, Cyprus, the Czech Republic, Denmark, Djibouti, Dominica, the Dominican Republic, East 
Timor, Ecuador, Egypt, El Salvador, Equatorial Guinea, Eritrea, Estonia, Ethiopia, Fiji, Finland, 
France, French Guiana, Gabon, Gambia, Georgia, Germany, Ghana, Gibraltar, Greece, Grenada, 
Guadeloupe, Guatemala, Guinea, Guinea-Bissau, Guyana, Haiti, Honduras, Hong Kong, Hungary, 
Iceland, India, Indonesia, Ireland, Italy, the Ivory Coast, Jamaica, Japan, Jordan, Kazakhstan, 
Kenya, Kiribati, Kuwait, Kyrgyzstan, Laos, Latvia, Lebanon, Lesotho, Liberia, Liechtenstein, 
Lithuania, Luxembourg, Macedonia, Madagascar, Malawi, Malaysia, the Maldives, Mali, Malta, the 
Marshall Islands, Martinique, Mauritania, Mauritius, Mexico, Micronesia, Monaco, Mongolia, 
Montenegro, Morocco, Mozambique, Namibia, Nauru, Nepal, the Nether Antilles, the Netherlands, 
New Zealand, Nicaragua, Niger, Nigeria, Norway, Oman, Palau, Panama, Papua New Guinea, 
Paraguay, the Peoples Republic of China, Peru, the Philippines, Poland, Portugal, the Republic of 
Moldova, Romania, Rwanda, Samoa, San Marino, Sao Tome and Principe, Saudi Arabia, Senegal, 
Serbia, the Seychelles, Sierra Leone, Singapore, Slovakia, Slovenia, the Solomon Islands, Somalia, 
South Africa, South Korea, Spain, Sri Lanka, St. Kitts and Nevis, St. Lucia, St. Vincent and the 
Grenadines, Suriname, Swaziland, Sweden, Switzerland, Syria, Taiwan, Tajikistan, Tanzania, 
Thailand, Togo, Tonga, Trinidad and Tobago, Tunisia, Turkey, Turkmenistan, Tuvalu, Uganda, the 
United Arab Emirates, the United Kingdom, Uruguay, Uzbekistan, Vanuatu, Venezuela, Vietnam, 
Yemen, Zaire, Zambia, and Zimbabwe518436-002
Atheros AR5009 802.11a/b/g/n for use in Canada, the Cayman Islands, Guam, Puerto Rico, the 
United States, and the U.S. Virgin Islands518437-001
(Continued) 
						

							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, Comoros, the Congo, Costa Rica, 
Croatia, Cyprus, the Czech Republic, Denmark, Djibouti, Dominica, the Dominican Republic, East 
Timor, Ecuador, Egypt, El Salvador, Equatorial Guinea, Eritrea, Estonia, Ethiopia, Fiji, Finland, 
France, French Guiana, Gabon, Gambia, Georgia, Germany, Ghana, Gibraltar, Greece, Grenada, 
Guadeloupe, Guatemala, Guinea, Guinea-Bissau, Guyana, Haiti, Honduras, Hong Kong, Hungary, 
Iceland, India, Indonesia, Ireland, Israel, Italy, the Ivory Coast, Jamaica, Japan, Jordan, Kazakhstan, 
Kenya, Kiribati, Kuwait, Kyrgyzstan, Laos, Latvia, Lebanon, Lesotho, Liberia, Liechtenstein, 
Lithuania, Luxembourg, Macedonia, Madagascar, Malawi, Malaysia, the Maldives, Mali, Malta, the 
Marshall Islands, Martinique, Mauritania, Mauritius, Mexico, Micronesia, Monaco, Mongolia, 
Montenegro, Morocco, Mozambique, Namibia, Nauru, Nepal, the Nether Antilles, the Netherlands, 
New Zealand, Nicaragua, Niger, Nigeria, Norway, Oman, Palau, Panama, Papua New Guinea, 
Paraguay, the Peoples Republic of China, Peru, the Philippines, Poland, Portugal, the Republic of 
Moldova, Romania, Rwanda, Samoa, San Marino, Sao Tome and Principe, Saudi Arabia, Senegal, 
Serbia, the Seychelles, Sierra Leone, Singapore, Slovakia, Slovenia, the Solomon Islands, Somalia, 
South Africa, South Korea, Spain, Sri Lanka, St. Kitts and Nevis, St. Lucia, St. Vincent and the 
Grenadines, Suriname, Swaziland, Sweden, Switzerland, Syria, Taiwan, Tajikistan, Tanzania, 
Thailand, Togo, Tonga, Trinidad and Tobago, Tunisia, Turkey, Turkmenistan, Tuvalu, Uganda, the 
United Arab Emirates, the United Kingdom, Uruguay, Uzbekistan, Vanuatu, Venezuela, Vietnam, 
Yemen, Zaire, Zambia, and Zimbabwe518437-002 
WLAN Mini Card bracket577509-001
DescriptionSpare part number 
						

							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 battery (see “Battery” on page 4-7). 
Remove the WLAN module:
ÄCAUTION: To prevent an unresponsive system, replace the wireless module with only 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. Remove the hard drive cover (see “Hard Drive” on page 4-8).
2. Position the computer with the front toward you.
3. Disconnect the WLAN antenna cables 1 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” terminal. 
4. Remove the two Phillips PM2.0×4.0 screws 2 that secure the WLAN module to the computer. (The edge of the 
module opposite the slot rises away from the
 computer.)
5. Remove the WLAN module 3 by pulling the module away from the slot at an angle. 
✎WLAN modules are designed with a notch 4 to prevent incorrect insertion of the WLAN module into 
the WLAN module slot. 
						

							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.