User manual COMPAQ ENVY 17T SERVICE GUIDE EDITION 3

[. . . ] HP ENVY 17 Maintenance and Service Guide © Copyright 2010 Hewlett-Packard Development Company, L. P. Intel is a trademark of Intel Corporation in the U. S. Microsoft, Windows, and Windows Vista are U. S. registered trademarks of Microsoft Corporation. [. . . ] Disconnect all external devices connected to the computer. 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 battery (see Battery on page 37). Remove the memory module compartment cover (see Memory module on page 42). 50 Chapter 4 Removal and replacement procedures ENWW Remove the keyboard: 1. Remove the three Phillips PM 2. 5×5. 0 screws (1) and the Phillips PM 2. 5×7. 0 (2) screw that secure the keyboard to the computer. 2. 3. Lift the rear edge of the keyboard (1) until it rests at an angle. Slide the keyboard (2) toward the display until the tabs on the front edge of keyboard disengage from the slots in the top cover. 4. Release the zero insertion force (ZIF) connector (1) to which the keyboard cable is attached, and then disconnect the keyboard cable (2) from the system board. ENWW Component replacement procedures 51 5. Release the ZIF connector (3) to which the keyboard light cable is attached, and then disconnect the keyboard light cable (2) from the system board. 6. Remove the keyboard. Reverse this procedure to install the keyboard. Top cover Description Top cover (includes TouchPad and cable) Spare part number 603793-001 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. Disconnect all external devices connected to the computer. 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 battery (see Battery on page 37). Remove the memory module compartment cover (see Memory module on page 42). Remove the keyboard (see Keyboard on page 50). Remove the top cover: 1. Turn the computer upside down, with the front toward you. Remove the four rubber feet (1) from the base enclosure. The rubber feet are included in the Rubber Feet Kit, spare part number 603798-001. 52 Chapter 4 Removal and replacement procedures ENWW 3. 4. Remove the eight Phillips PM2. 5×8. 0 screws (2) that secure the top cover to the computer. Remove the three Phillips PM2. 5×5. 0 screws (3) that secure the top cover to the computer in the battery bay. 5. 9. Turn the computer display-side up, with the front toward you. Open the computer as far as it will open. Release the ZIF connector (1) to which the power button board cable is attached, and then disconnect the power button board cable from the system board. Release the ZIF connector (2) to which the TouchPad cable is attached, and then disconnect the TouchPad cable from the system board. [. . . ] For disposal or recycling information, contact your local authorities, or see the Electronic Industries Alliance (EIA) Web site at http://www. eiai. org. This section provides disassembly instructions for the display assembly. The display assembly must be disassembled to gain access to the backlight (1) and the liquid crystal display (LCD) panel (2). NOTE: The procedures provided in this chapter are general disassembly instructions. Specific details, such as screw sizes, quantities, and locations, and component shapes and sizes, can vary from one computer model to another. ENWW Battery 99 Perform the following steps: 1. [. . . ]