HP 620 Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 76

Palm rest, Before removing the palm rest, follow these steps

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3. Lift the processor (2) straight up and remove it. NOTE: When you install the processor, the gold triangle (3) on the processor must be aligned with the triangle (4) embossed on the processor socket. Reverse this procedure to install the processor. Palm rest Description Palm rest for Compaq units with 39.6-cm (15.6-in) displays (includes TouchPad) Palm rest for Compaq brand units with 35.6-cm (14-in) displays (includes TouchPad) Palm rest for Compaq brand units with 33.8-cm (13.3-in) displays (includes TouchPad) Palm rest for HP brand units with 39.6-cm (15.6-in) displays (includes TouchPad) Palm rest for HP brand units with 35.6-cm (14-in) displays (includes TouchPad) Spare part number 605783-001 605781-001 605779-001 605782-001 605780-001 Before removing the palm rest, 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. 68 Chapter 4 Removal and replacement procedures

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3.
Lift the processor
(2)
straight up and remove it.
NOTE:
When you install the processor, the gold triangle
(3)
on the processor must be aligned
with the triangle
(4)
embossed on the processor socket.
Reverse this procedure to install the processor.
Palm rest
Description
Spare part number
Palm rest for Compaq units with
39.6-cm
(15.6-in) displays (includes TouchPad)
605783-001
Palm rest for Compaq brand units with
35.6-cm
(14-in) displays (includes TouchPad)
605781-001
Palm rest for Compaq brand units with
33.8-cm
(13.3-in) displays (includes TouchPad)
605779-001
Palm rest for HP brand units with
39.6-cm
(15.6-in) displays (includes TouchPad)
605782-001
Palm rest for HP brand units with
35.6-cm
(14-in) displays (includes TouchPad)
605780-001
Before removing the palm rest, 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.
68
Chapter 4
Removal and replacement procedures