HP 620 Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 81

Keyboard, Remove the keyboard

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Keyboard Description Spare part number Keyboards for use in computers with 39.6-cm (15.6-in) displays 605813-xx1 Keyboards for use in computers with 35.6-cm (14.3-in) and 33.8-cm (13.3-in) displays 605814-xx1 NOTE: For a detailed list of available keyboards, see Sequential part number listing on page 39. Before removing the keyboard, 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 53). 5. Remove the service door (see Service door on page 53). 6. Remove the palm rest (see Palm rest on page 68). Remove the keyboard on 39.6-cm (15.6-in) computers: 1. Position the computer upside down with the rear toward you. 2. Remove the three Phillips PM2.5×3.0 broadhead black screws (1) and three Torx M2.5×6.0 screws (2) that secure the keyboard. Component replacement procedures 73

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Keyboard
Description
Spare part number
Keyboards for use in computers with 39.6-cm (15.6-in) displays
605813-xx1
Keyboards for use in computers with 35.6-cm (14.3-in) and 33.8-cm (13.3-in)
displays
605814-xx1
NOTE:
For a detailed list of available keyboards, see
Sequential part number listing
on page
39
.
Before removing the keyboard, 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
53
).
5.
Remove the service door (see
Service door
on page
53
).
6.
Remove the palm rest (see
Palm rest
on page
68
).
Remove the keyboard on
39.6-cm
(15.6-in) computers:
1.
Position the computer upside down with the rear toward you.
2.
Remove the three Phillips PM2.5×3.0 broadhead black screws
(1)
and three Torx M2.5×6.0
screws
(2)
that secure the keyboard.
Component replacement procedures
73