HP TX1000 - Manual (Page 71)

System board
Description Spare part number
For use only with computer models equipped with WWAN 441097-001
For use only with computer models not equipped with WWAN 441096-001
When replacing the system board, be sure that the following components are removed from the defective
system board and installed on the replacement system board:
● Memory module (see Memory module on page 43 )
● WLAN module (see WLAN module on page 44 )
● RTC battery (see RTC battery on page 62 )
● Bluetooth module (see Bluetooth module on page 65 )
● Fan/heat sink assembly (see Fan/heat sink assembly on page 71 )
● Processor (see Processor on page 74 )
Before removing the system board, 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 cord.
4 . Remove the battery (see Battery on page 36 ).
5 . Remove the following components:
a . Hard drive (see Hard drive on page 38 )
b . Memory module compartment cover (see Memory module on page 43 )
c . Optical drive (see Optical drive on page 42 )
d . Keyboard (see Keyboard on page 47 )
e . Switch cover (see Switch cover on page 50 )
f . Display assembly (see Display assembly on page 52 )
g . Top cover (see Top cover on page 59 )
h . Power switch assembly (see Power switch assembly on page 63 )
Remove the system board:
1 . Disconnect the ZIF connector (1) to which the audio/infrared board cable is attached and disconnect
the audio/infrared board cable (2) from the system board.
2 . Press in on the ExpressCard slot bezel (3) to release the bezel from the ExpressCard slot.
66 Chapter 5 Removal and replacement procedures ENWW