Compaq 400 320 321 420 421 620 and 621 Notebook PC and 420 and 620 Notebook PC - Page 102

-in computers, Orient the computer in its normal position

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Description ● 33.8-cm (13.3-in) HD BrightView display assembly for use in computers with WLAN and without webcam (1366×768 resolution), red ● 33.8-cm (13.3-in) HD BrightView display assembly with LED back lighting for use in computers with WLAN and webcam (1366×768 resolution), red Spare part number 616599-001 616600-001 Before removing the display assembly, 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 service door (see Service door on page 56). 6. Remove the palm rest (see Palm rest on page 73). 7. Remove the keyboard (see Keyboard on page 78). 8. Remove the top cover (see Top cover on page 82). Remove the display on 39.6-cm (15.6-in) computers: 1. Orient the computer in its normal position, face up with the display open as far as it will comfortably go. CAUTION: Support the display assembly when removing the retaining screws. Failure to support the display assembly can result in damage to the display assembly and other computer components. 2. Disconnect the display cable (1) and the microphone cable (2) from the system board. 94 Chapter 4 Removal and replacement procedures

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Description
Spare part number
●
33.8-cm
(13.3-in) HD BrightView display assembly for use in computers with WLAN and
without webcam (1366×768 resolution), red
616599-001
●
33.8-cm
(13.3-in) HD BrightView display assembly with LED back lighting for use in
computers with WLAN and webcam (1366×768 resolution), red
616600-001
Before removing the display assembly, 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 service door (see
Service door
on page
56
).
6.
Remove the palm rest (see
Palm rest
on page
73
).
7.
Remove the keyboard (see
Keyboard
on page
78
).
8.
Remove the top cover (see
Top cover
on page
82
).
Remove the display on
39.6-cm
(15.6-in) computers:
1.
Orient the computer in its normal position, face up with the display open as far as it will
comfortably go.
CAUTION:
Support the display assembly when removing the retaining screws. Failure to
support the display assembly can result in damage to the display assembly and other computer
components.
2.
Disconnect the display cable
(1)
and the microphone cable
(2)
from the system board.
94
Chapter 4
Removal and replacement procedures