[. . . ] HP ProBook 4410s Notebook PC HP ProBook 4411s Notebook PC HP ProBook 4510s Notebook PC Maintenance and Service Guide Bluetooth is a trademark owned by its proprietor and used by Hewlett-Packard Company under license. Intel, Core, and Celeron are trademarks of Intel Corporation in the United States and other countries. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. [. . . ] Disconnect the WWAN antenna cables (1) from the terminals on the WWAN module. NOTE: The red WWAN antenna cable is connected to the WLAN module “Main” terminal. The blue WWAN antenna cable is connected to the WWAN module “Aux” terminal. Remove the two Phillips PM2. 5×3. 0 screws (2) that secure the WWAN module to the computer. (The edge of the module opposite the slot rises away from the computer. ) 74 Chapter 4 Removal and replacement procedures 4. Remove the WWAN module (3) by pulling the module away from the slot at an angle. NOTE: WWAN modules are designed with a notch (4) to prevent incorrect insertion. Reverse this procedure to install the WWAN module. Palm rest Description Palm rest for use in black computers with 15-in displays (includes TouchPad) Palm rest for use in red computers with 15-in displays (includes TouchPad) Palm rest for use in black computers with 14-in displays (includes TouchPad) Palm rest for use in red computers with 14-in displays (includes TouchPad) Spare part number 535868-001 572728-001 535867-001 572727-001 Before removing the palm rest, follow these steps: 1. 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. 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. Remove the switch cover and keyboard (see Switch cover and keyboard on page 64) Remove the palm rest: 1. Position the computer right-side up with the front toward you. Component replacement procedures 75 2. On 15-in models: a. Remove the two Phillips PM2. 5×3. 0 broadhead screws (1) that secure the palm rest to the computer. Slide the palm rest back toward the display (2), and then lift and rotate the front edge (3) to gain access to the TouchPad cable. – or – On 14-in models: a. Remove the three Phillips PM2. 5×3. 0 broadhead screws (1) that secure the palm rest to the computer. Slide the palm rest back toward the display (2), and then lift the front edge (3) to gain access to the TouchPad cable. 76 Chapter 4 Removal and replacement procedures 3. Release the ZIF connector (1) to which the TouchPad cable is connected, and then disconnect the TouchPad cable (2) from the system board. 4. Remove the palm rest. Reverse this procedure to install the palm rest. Component replacement procedures 77 Hard drive NOTE: The hard drive spare part kit includes a hard drive bracket. Spare part number 575195-001 536414-001 575194-001 536413-001 538972-001 536412-001 538971-001 536411-001 Description 500-GB, 7200-rpm hard drive 500-GB, 5400-rpm hard drive 320-GB, 7200-rpm hard drive 320-GB, 5400-rpm hard drive 250-GB, 7200-rpm hard drive 250-GB, 5400-rpm hard drive 160-GB, 7200-rpm hard drive 160-GB, 5400-rpm hard drive Before removing the hard drive, follow these steps: 1. 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. 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. Switch cover and keyboard (see Switch cover and keyboard on page 64) Palm rest (see Palm rest on page 75) Remove the hard drive: 1. Remove the two Phillips PM2. 0×4. 0 screws (1) and loosen the Phillips PM2. 5×11. 0 captive screw (2) that secures the hard drive to the computer. Grasp the Mylar tab on the hard drive and slide the hard drive (3) to the left to disconnect it from the system board. 78 Chapter 4 Removal and replacement procedures 4. Remove the hard drive (4) from the hard drive bay. 5. 6. If it is necessary to replace the hard drive bracket, remove the two Phillips PM3. 0×4. 0 hard drive bracket screws (1) from each side of the hard drive. Lift the bracket (2) straight up to remove it from the hard drive. Reverse this procedure to reassemble and install the hard drive. Component replacement procedures 79 WLAN module Description Intel Wi-Fi Link 5100 802. 11a/b/g/n WLAN module for use in all countries and regions except Pakistan, Russia, and the Ukraine Intel Wi-Fi Link 5100 802. 11a/b/g WLAN module Broadcom 4322 802. 11a/b/g/n WLAN modules: ● ● For use in Antigua and Barbuda, Barbados, Belize, Canada, the Cayman Islands, Guam, Puerto Rico, Trinidad and Tobago, the U. S. Virgin Islands, and the United States 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, Cameroon, Cape Verde, the Central African Republic, Chad, Chile, the People's Republic of China, 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, Ireland, Israel, Italy, the Ivory Coast, Jamaica, Jordan, Kazakhstan, Kenya, Kiribati, 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, Peru, the Philippines, Poland, Portugal, 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. [. . . ] Exercise caution when removing and handling the backlight to avoid damaging this component and causing exposure to the mercury. CAUTION: The procedures in this chapter can result in damage to display components. The only components intended for recycling purposes are the liquid crystal display (LCD) panel and the backlight. This HP product contains mercury in the backlight in the display assembly that might require special handling at end-of-life. [. . . ]