User manual HP PAVILION DV7-4050EA

[. . . ] 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. [. . . ] Remove the battery (see "Battery" on page 4-7). Remove the accessory compartment cover (see "WLAN module" on page 4-9). Remove the hard drive (see "Hard drive" on page 4-18). Remove the keyboard (see "Keyboard" on page 4-21). Remove the top cover (see "Top cover" on page 4-24). Turn the computer right-side up, with the front toward you and the display open as far as possible. Disconnect the speaker cable 1 from the system board. Remove the 2 Phillips PM2. 0×7. 0 screws 2 that secure the speaker assembly to the base enclosure. Remove the speaker assembly 3. Reverse this procedure to install the speakers. Maintenance and Service Guide 4­29 Removal and replacement procedures Digital media assembly Description Digital media assembly (includes cable) Spare part number 580065-001 Before removing the digital media 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. Failure to support the display assembly can result damage the display assembly and other computer components. 5. Remove the 4 Phillips PM2. 0×7. 0 screws 1 that secure the display assembly to the base enclosure. Lift the display assembly 2 straight up and remove it. 7. If it is necessary to replace the display bezel or any of the display assembly internal components: a. Flex the inside edges of the top edge 2, the left and right sides 3, and the bottom edge 4 of the display bezel until the bezel disengages from the display enclosure. Remove the display bezel 5. Maintenance and Service Guide 4­33 Removal and replacement procedures 8. If it is necessary to replace the webcam module: a. Disconnect the display panel/webcam/microphone cable 1 from the webcam module. If it is necessary to replace the display panel: a. Remove the 6 Phillips PM2. 0×4. 0 screws 1 that secure the display hinge brackets to the display panel. Remove the display hinge brackets 2. 4­34 Maintenance and Service Guide Removal and replacement procedures c. [. . . ] 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. display assembly that might Materials Disposal. ThisatHP product contains mercury in the backlight in thebecause of environmental require special handling end-of-life. Disposal of mercury may be regulated considerations. [. . . ]