HP ProBook 4525s HP ProBook 4525s Notebook PC - Maintenance and Service Guide - Page 85

Top cover, Remove the thermal shield see

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Top cover The spare part number for the top cover is 598682-001. Before removing the top cover, 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 45). 5. Remove the switch cover and keyboard (see Switch cover and keyboard on page 46). 6. Remove the optical drive (see Optical drive on page 51). 7. Remove the power button board cable (see Power button board on page 53). 8. Remove the speakers (see Speakers on page 55). 9. Remove the thermal shield (seeThermal shield on page 56 ). 10. Remove the display assembly (see Display assembly on computers with 15.6-in displays on page 71). 11. Remove the palm rest (see Palm rest on page 67). 12. Remove the hard drive (see Hard drive on page 69). 13. Remove the following components: Remove the top cover on 15.6-in computers: 1. Position the computer right-side up with the front toward you. Component replacement procedures 77

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Top cover
The spare part number for the top cover is 598682-001.
Before removing the top cover, 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
45
).
5.
Remove the switch cover and keyboard (see
Switch cover and keyboard
on page
46
).
6.
Remove the optical drive (see
Optical drive
on page
51
).
7.
Remove the power button board cable (see
Power button board
on page
53
).
8.
Remove the speakers (see
Speakers
on page
55
).
9.
Remove the thermal shield (see
Thermal shield
on page
56
).
10.
Remove the display assembly (see
Display assembly on computers with 15.6-in displays
on page
71
).
11.
Remove the palm rest (see
Palm rest
on page
67
).
12.
Remove the hard drive (see
Hard drive
on page
69
).
13.
Remove the following components:
Remove the top cover on 15.6-in computers:
1.
Position the computer right-side up with the front toward you.
Component replacement procedures
77