HP Pavilion Tx2500 Entertainment Notebook Pc Series Service Guide

							Optical drive
NOTE:All optical drive spare part kits include an optical drive bezel.
DescriptionSpare part number
DVD±RW and CD-RW SuperMulti Double-Layer Combo Drive with LightScribe 480864-001
DVD±RW and CD-RW SuperMulti Double-Layer Combo Drive 480865-001
Optical drive weight saving blank 518183-001
Before removing the optical 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 cord.
4.Remove the battery (see 
Battery on page 39).
Remove the optical drive:
1.Position the computer with right side toward you.
2.Slide the optical drive release latch (1) toward you. (The optical drive is partially ejected from the
optical drive bay.)
3.Remove the optical drive (2) from of the computer.
To install an optical drive, slide the optical drive into the optical drive bay until you hear a click.
Component replacement procedures 43 
						

							Memory module
DescriptionSpare part number
2048-MB (1-DIMM, PC2-5300, 667 MHz) 598858-001
1024-MB (1-DIMM, PC2-5300, 667 MHz) 598861-001
512-MB (1-DIMM, PC2-5300, 667 MHz) 598833-001
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 cord.
4.Remove the battery (see 
Battery on page 39).
Remove the memory module:
1.Position the computer with the front toward you.
2.Loosen the two Phillips PM2.0×5.0 captive screws (1) that secure the memory module
compartment cover to the computer.
3.Lift the left side of the cover (2) and swing it to the right.
4.Remove the memory module compartment cover.
NOTE:The memory module compartment cover is included in the Plastics Kit, spare part
number 487926-001.
5.Spread the retaining tabs (1) on each side of the memory module slot to release the memory
module. (The edge of the module opposite the slot rises away from the computer.)
44 Chapter 4   Removal and replacement procedures 
						

							6.Pull the module (2) away from the slot at an angle and remove it.
NOTE:Memory modules are designed with a notch (3) to prevent incorrect installation into the
memory module slot.
Reverse this procedure to install a memory module.
Component replacement procedures 45 
						

							WLAN module
DescriptionSpare part number
Broadcom 4322 802.11a/b/g/n WLAN modules:
●For use in Canada, the Cayman Islands, Guam, Puerto Rico, the U.S. Virgin Islands,
and the United States487330-001
●For use in Afghanistan, Albania, Algeria, Andorra, Angola, Antigua and Barbuda,
Argentina, Armenia, Aruba, Australia, Austria, Azerbaijan, the Bahamas, Bahrain,
Bangladesh, Barbados, Belgium, Belize, Benin, Bermuda, Bolivia,
Bosnia and Herzegovina, Botswana, Brazil, the British Virgin Islands, Brunei, Bulgaria,
Burkina Faso, Burundi, Cameroon, Cape Verde, the Cayman Islands,
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, Equitorial Guinea,
Eritrea, Estonia, Ethiopia, Fiji, Finland, France, French Guiana, Gabon, Gambia, Georgia,
Germany, Ghana, Gibraltar, Greece, Guadeloupe, Guam, Guatemala, Guinea, Guinea-
Bissau, Guyana, Haiti, Honduras, Hong Kong, Hungary, Iceland, India, Ireland, Italy,
the Ivory Coast, Jamaica, Jordan, Kenya, Kiribati, Kyrgyzstan, Laos, Latvia, Lesotho,
Liberia, Liechtenstein, Lithuania, Luxembourg, Macedonia, Madagascar, Malawi,
the Maldives, Mali, Malta, the Marshall Islands, Martinique, Mauritania, Mauritius, Mexico,
Micronesia, Monaco, Mongolia, Montenegro, Morocco, Mozambique, Namibia, Nauru,
Nepal, 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, Puerto Rico, 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, Spain, Sri Lanka, St. Kitts and Nevis, St. Lucia,
St. Vincent and the Grenadines, Suriname, Swaziland, Sweden, Switzerland, Taiwan,
Tajikistan, Tanzania, Togo, Tonga, Trinidad and Tobago, Tunisia, Turkey, Turkmenistan,
Tuvalu, Uganda, the United Arab Emirates, the United Kingdom, Uruguay, Uzbekistan,
Venezuela, Vietnam, Yemen, Zaire, Zambia, and Zimbabwe487330-002
Broadcom 4321AGN 802.11a/b/g/n WLAN modules:
●For use in Canada, the Cayman Islands, Guam, Puerto Rico, the U.S. Virgin Islands,
and the United States453730-001
●For use in Afghanistan, Albania, Algeria, Andorra, Angola, Antigua and Barbuda,
Argentina, Armenia, Aruba, Australia, Austria, Azerbaijan, the Bahamas, Bahrain,
Bangladesh, Barbados, Belgium, Belize, Benin, Bermuda, Bolivia,
Bosnia and Herzegovina, Botswana, Brazil, the British Virgin Islands, Brunei, Bulgaria,
Burkina Faso, Burundi, Cameroon, Cape Verde, the Cayman Islands,
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, Equitorial Guinea,
Eritrea, Estonia, Ethiopia, Fiji, Finland, France, French Guiana, Gabon, Gambia, Georgia,
Germany, Ghana, Gibraltar, Greece, Guadeloupe, Guam, Guatemala, Guinea, Guinea-
Bissau, Guyana, Haiti, Honduras, Hong Kong, Hungary, Iceland, India, Ireland, Italy,
the Ivory Coast, Jamaica, Jordan, Kenya, Kiribati, Kyrgyzstan, Laos, Latvia, Lesotho,
Liberia, Liechtenstein, Lithuania, Luxembourg, Macedonia, Madagascar, Malawi,
the Maldives, Mali, Malta, the Marshall Islands, Martinique, Mauritania, Mauritius, Mexico,
Micronesia, Monaco, Mongolia, Montenegro, Morocco, Mozambique, Namibia, Nauru,
Nepal, 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, Puerto Rico, 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, Spain, Sri Lanka, St. Kitts and Nevis, St. Lucia,
St. Vincent and the Grenadines, Suriname, Swaziland, Sweden, Switzerland, Taiwan,
Tajikistan, Tanzania, Togo, Tonga, Trinidad and Tobago, Tunisia, Turkey, Turkmenistan,
Tuvalu, Uganda, the United Arab Emirates, the United Kingdom, Uruguay, Uzbekistan,
Venezuela, Vietnam, Yemen, Zaire, Zambia, and Zimbabwe453730-002
46 Chapter 4   Removal and replacement procedures 
						

							DescriptionSpare part number
●For use in Japan453730-291
Broadcom BCM4312 802.11b/g WLAN modules:
●For use in Canada, the Cayman Islands, Guam, Puerto Rico, the U.S. Virgin Islands,
and the United States459263-001
●For use in Afghanistan, Albania, Algeria, Andorra, Angola, Antigua and Barbuda,
Argentina, Armenia, Aruba, Australia, Austria, Azerbaijan, the Bahamas, Bahrain,
Bangladesh, Barbados, Belgium, Belize, Benin, Bermuda, Bolivia,
Bosnia and Herzegovina, Botswana, Brazil, the British Virgin Islands, Brunei, Bulgaria,
Burkina Faso, Burundi, Cameroon, Cape Verde, the Cayman Islands,
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, Equitorial Guinea,
Eritrea, Estonia, Ethiopia, Fiji, Finland, France, French Guiana, Gabon, Gambia, Georgia,
Germany, Ghana, Gibraltar, Greece, Guadeloupe, Guam, Guatemala, Guinea, Guinea-
Bissau, Guyana, Haiti, Honduras, Hong Kong, Hungary, Iceland, India, Ireland, Italy,
the Ivory Coast, Jamaica, Jordan, Kenya, Kiribati, Kyrgyzstan, Laos, Latvia, Lesotho,
Liberia, Liechtenstein, Lithuania, Luxembourg, Macedonia, Madagascar, Malawi,
the Maldives, Mali, Malta, the Marshall Islands, Martinique, Mauritania, Mauritius, Mexico,
Micronesia, Monaco, Mongolia, Montenegro, Morocco, Mozambique, Namibia, Nauru,
Nepal, 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, Puerto Rico, 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, Spain, Sri Lanka, St. Kitts and Nevis, St. Lucia,
St. Vincent and the Grenadines, Suriname, Swaziland, Sweden, Switzerland, Taiwan,
Tajikistan, Tanzania, Togo, Tonga, Trinidad and Tobago, Tunisia, Turkey, Turkmenistan,
Tuvalu, Uganda, the United Arab Emirates, the United Kingdom, Uruguay, Uzbekistan,
Venezuela, Vietnam, Yemen, Zaire, Zambia, and Zimbabwe459263-002
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 cord.
4.Remove the battery (see 
Battery on page 39).
Remove the WLAN module:
1.Position the computer with the front toward you.
2.Loosen the Phillips PM2.0×5.0 captive screw (1) that secures the WLAN module compartment
cover to the computer.
Component replacement procedures 47 
						

							3.Lift the right side of the WLAN module compartment cover (2) and swing it to the left.
4.Remove the WLAN module compartment cover.
NOTE:The WLAN module compartment cover is included in the Plastics Kit, spare part
number 487926-001.
5.Disconnect the WLAN antenna cables (1) from the WLAN module.
NOTE: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.
6.Remove the two Phillips PM2.0×3.0 screws (2) that secure the WLAN module to the computer.
(The edge of the module opposite the slot rises away from the computer.)
7.Pull the WLAN module (3) away from the slot at an angle and remove it.
NOTE:WLAN modules are designed with a notch (4) to prevent incorrect installation into the
WLAN module slot.
Reverse this procedure to install a WLAN module.
48 Chapter 4   Removal and replacement procedures 
						

							Keyboard
Description
Country or region Spare part number Country or region Spare part number
Belgium 484748-A41 Portugal 484748-131
Brazil 484748-201 Russia 484748-251
Canada 484748-121 Saudi Arabia 484748-171
Denmark, Finland, and Norway 484748-DH1 South Korea 484748-AD1
France 484748-051 Spain 484748-071
Germany 484748-041 Taiwan 484748-AB1
Israel 484748-BB1 Thailand 484748-281
Italy 484748-061 Turkey 484748-141
Japan 484748-291 The United Kingdom 484748-031
Latin America 484748-161 The United States 484748-001
The Netherlands 484748-B31    
Before removing the keyboard, 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 cord.
4.Remove the battery (see 
Battery on page 39).
Remove the keyboard:
1.Position the computer with the front toward you.
2.Remove the four Phillips PM2.0×11.0 screws that secure the keyboard to the computer.
3.Turn the computer display-side up, with the front toward you.
Component replacement procedures 49 
						

							4.Open the computer.
5.Lift the rear edge of the keyboard and swing it toward you until it rests on the palm rest.
6.Release the zero insertion force (ZIF) connector (1) to which the keyboard cable is attached and
disconnect the keyboard cable (2).
7.Remove the keyboard.
Reverse this procedure to install the keyboard.
50 Chapter 4   Removal and replacement procedures 
						

							Switch cover
DescriptionSpare part number
Switch cover (includes display convertible hinge base cover) 464115-001
Before removing the switch cover, 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 cord.
4.Remove the battery (see 
Battery on page 39).
5.Remove the keyboard (see 
Keyboard on page 49).
Remove the switch cover:
1.Turn the computer upside down, with the front toward you.
2.Remove the four Phillips PM2.0×7.0 screws that secure the switch cover to the computer.
3.Turn the computer display-side up, with the front toward you.
4.Open the computer.
Component replacement procedures 51 
						

							5.Rotate the display clockwise approximately 45 degrees.
6.Lift the left and right front corners of the switch cover (1) until it disengages from the computer.
7.Rotate the switch cover (2) counterclockwise and remove it from the computer.
Reverse this procedure to install the switch cover.
52 Chapter 4   Removal and replacement procedures