HP Dv2990nr HP Pavilion dv2500 and dv2700 Notebook PC - Maintenance and Servic - Page 114

System board NOTE: All system board spare part kits include replacement thermal material. Description For use in computer models with Intel processors: On dv2500 models equipped with a discrete graphics subsystem On dv2500 models equipped with a UMA graphics subsystem On dv2500 models equipped with a WWAN module On dv2700 models equipped with a discrete graphics subsystem On dv2700 models equipped with a UMA graphics subsystem On dv2700 models equipped with a WWAN module For use in computer models with AMD processors: In full-featured dv2500 models not equipped with a camera module In defeatured dv2500 models not equipped with a camera module In full-featured dv2700 models equipped with a camera module In defeatured dv2700 models equipped with a camera module Spare part number 448596-001 448598-001 457356-001 460715-001 460716-001 460718-001 453411-001 453412-001 462535-001 462536-001 Before removing the system board, follow these steps: 1. Shut down the computer. 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. 2. Disconnect all external devices connected to the computer. 3. 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. 4. Remove the battery (see Battery on page 56). 5. Remove the following components: a. Hard drive (see Hard drive on page 61) b. Optical drive (see Optical drive on page 73) c. Keyboard (see Keyboard on page 74) d. Switch cover (see Switch cover on page 79) e. Display assembly (see Display assembly on page 82) f. Top cover (see Top cover on page 87) 106 Chapter 4 Removal and replacement procedures