Usb Board - HP Compaq Presario CQ57 Maintenance And Service Manual

USB board

Description
USB board (includes cable)
Before removing the USB 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 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
●
Optical drive (see
●
Keyboard (see
●
Top cover (see
Remove the USB board:
1. Release the ZIF connector (1) to which the USB board cable is connected, and then disconnect the
USB board cable (2) from the system board.
2. Remove the Phillips PM2.5×6.0 screw (2) that secures the USB board to the base enclosure.
3. Remove the USB board (3) and cable.
Reverse this procedure to install the USB board.
Battery on page 39), and then remove the following components:
Optical drive (select models only) on page
Keyboard on page 49)
Top cover on page 52)
Spare part number
646128-001
40)
Component replacement procedures
59