User manual COMPAQ KT401AA QUICK START

[. . . ] registered trademarks of Microsoft Corporation. SD Logo is a trademark of its proprietor. The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. [. . . ] 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. 7. Turn the computer right-side up, with the front toward you. Lift the front edge of the top cover (1) until it rests at an angle. 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. Disconnect all external devices connected to the computer. Remove the battery (see Battery on page 35). Remove the hard drive (see Hard drive on page 37). Remove the top cover (see Top cover on page 48). Remove the keyboard: 1. Disconnect all external devices connected to the computer. Remove the battery (see Battery on page 35). Memory cover (see Memory module on page 40). Top cover (see Top cover on page 48). Remove the power switch board: 1. Release the ZIF connector to which the power switch board cable is connected, and then disconnect the power switch board cable (1) from the system board. Remove the power switch board (2) from the slot built into the base enclosure. Reverse this procedure to install the power switch board. 54 Chapter 4 Removal and replacement procedures ENWW Display assembly Description 12. 1-inch, WXGA, BrightView, LED touch-screen display assembly (includes Web camera and cable, microphones and cables, fingerprint reader and cable, WLAN antenna cables, and WWAN antenna cables) Spare part number 611492-001 Before removing the display 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. Disconnect all external devices connected to the computer. Remove the battery (see Battery on page 35). Disconnect the WLAN antenna cables from the WLAN module (see WLAN module on page 43). Remove the hard drive (see Hard drive on page 37). [. . . ] The only components intended for recycling purposes are the liquid crystal display (LCD) panel and the backlight. When you remove these components, handle them carefully. This HP product contains mercury in the backlight in the display assembly that might require special handling at end-of-life. Disposal of mercury may be regulated because of environmental considerations. [. . . ]