Heat shield
Description | Spare part number |
|
|
Heat shield for use in 4540s models | |
|
|
Heat shield for use in 4440s/4441s models | |
|
|
Before removing the heat shield, 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 42).
5.Remove the following components:
a.Bottom door (see Bottom door on page 44).
b.Keyboard (see Keyboard on page 56)
Remove the heat shield:
1.Position the computer
2.If disassembling model 4440s/4441s, skip to step 7.
3.For model 4540s, remove the three Phillips PM2.5×6.0 screws (1) that secure the heat shield to the computer.
4.Slide the shield toward the inside of the computer (2).
5.Rotate the top of the shield upward (3).
Component replacement procedures 59
