User manual COMPAQ 2012TX MAINTENANCE AND SERVICE GUIDE REV 1

[. . . ] HP TouchSmart tm2 Notebook PC Maintenance and Service Guide © Copyright 2010 Hewlett-Packard Development Company, L. P. Bluetooth is a trademark owned by its proprietor and used by Hewlett-Packard Company under license. Intel, Pentium, Celeron, and Core are trademarks or registered trademarks of Intel Corporation or its subsidiaries 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. [. . . ] 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. Remove the memory module compartment cover (see Memory module on page 40). Remove the WLAN module: ENWW Component replacement procedures 43 CAUTION: 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. 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. 44 Chapter 4 Removal and replacement procedures ENWW 2. Remove the two Phillips PM2. 0×4. 0 screws that secure the WLAN module to the system board. (The edge of the module opposite the slot rises away from the computer. ) ENWW Component replacement procedures 45 3. Pull the WLAN module away from the slot at an angle and remove it. Reverse this procedure to install a WLAN module. 46 Chapter 4 Removal and replacement procedures ENWW RTC battery Description RTC battery (includes cable and double-sided tape) Spare part number 592965-001 Before removing the RTC battery, 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. Remove the memory cover (see Memory module on page 40). Remove the RTC battery: 1. (The RTC battery is attached to the system board by double-sided tape. ) Reverse this procedure to install the RTC battery. ENWW Component replacement procedures 47 Top cover Description Top cover (includes TouchPad and TouchPad cable, caps lock light board and cable, and top cover bumper pads) Spare part number 592964-001 Before removing the top cover, 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. Remove the memory cover (see Memory module on page 40). Remove the top cover: 1. The computer feet are available in the Rubber Kit, spare part number 592966-001. Remove the 17 Phillips PM2. 5×6. 0 screws (2) that secure the top cover to the computer. 48 Chapter 4 Removal and replacement procedures ENWW 3. Remove the two Phillips PM2. 0×4. 0 screws in the battery bay that secure the top cover to the computer. 4. Release the zero insertion force (ZIF) connector to which the TouchPad cable is connected and disconnect the TouchPad cable (2) from the system board. Release the ZIF connector to which the keyboard cable is connected and disconnect the keyboard cable (3) from the system board. 8. Remove the top cover. Reverse this procedure to install the top cover. ENWW Component replacement procedures 49 Keyboard NOTE: The keyboard spare part kit includes a cable and 2 retention clips. Country or region Belgium Brazil Canada Denmark, Finland, and Norway France Germany Greece Israel Italy Latin America The Netherlands Spare part number 584161-A41 584161-201 584161-121 584161-DH1 584161-051 584161-041 584161-DJ1 584161-BB1 584161-061 584161-161 584161-B31 Country or region Portugal Russia Saudi Arabia South Korea Spain Switzerland Taiwan Thailand Turkey The United Kingdom The United States Spare part number 584161-131 584161-251 584161-171 584161-AD1 584161-071 584161-111 584161-AB1 584161-281 584161-141 584161-031 584161-001 Before removing the keyboard, 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. Remove the top cover (see Top cover on page 48). Remove the keyboard: 1. Release the two tabs (1) built into the keyboard shielding. 50 Chapter 4 Removal and replacement procedures ENWW 3. Remove the two retention clips (2) by sliding them toward the back of the top cover. 4. Slide the keyboard back (2) until the four tabs on the bottom edge of the keyboard are clear of the openings in the top cover. Release the keyboard cable (3) from the opening in the top cover. 8. Remove the keyboard. Reverse this procedure to install the keyboard. ENWW Component replacement procedures 51 Pen holder and eject assembly Description Pen holder and eject assembly Spare part number 592972-001 Before removing the pen holder and eject assembly, 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. Top cover (see Top cover on page 48). Remove the pen holder and eject assembly: 1. [. . . ] Power cord set fittings (appliance coupler and wall plug) must bear the certification mark of the agency responsible for evaluation in the country or region where it will be used. 2. 3. 4. 5. ENWW Requirements for specific countries and regions 91 10 Recycling Battery When a battery has reached the end of its useful life, do not dispose of the battery in general household waste. Follow the local laws and regulations in your area for computer battery disposal. Display WARNING!Caution must be exercised 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. [. . . ]