HP ENVY m7 Maintenance and Service Guide - Page 55
Heat sink, is removed
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Heat sink Description Heat sink (includes replacement thermal material) Spare part number 857299-001 Before removing the heat sink, follow these steps: 1. Turn off 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 the power from the computer by unplugging the power cord from the computer. 3. Disconnect all external devices from the computer. 4. Remove the bottom cover (see Bottom cover on page 24). 5. Disconnect the battery cable from the system board (see Battery on page 26). 6. Remove the following components: a. Solid-state drive (see Solid-state drive on page 27) b. Optical drive (see Optical drive on page 35) c. WLAN module (see WLAN module on page 33) d. System board (see System board on page 43) NOTE: When replacing the heat sink, be sure that the fan (see Fan on page 49) is removed from the defective heat sink and installed on the replacement heat sink. Remove the heat sink: 1. Disconnect the fan cable (1) from the system board. 2. Loosen the eight Phillips M2.0×8.1 captive screws (2) that secure the fan and heat sink to the system board. Component replacement procedures 47