HP 721953-141 ユーザーズマニュアル
Reverse this procedure to install the USB/audio board.
System board
NOTE:
All system board spare part kits include replacement thermal material.
Description
Spare part number
Intel models:
Models without Windows 8 with 1-GB of discrete graphics memory
721521-001
Models without Windows 8 with 2-GB of discrete graphics memory
721522-001
Models without Windows 8, with UMA graphics, without WWAN
721523-001
Models without Windows 8, with UMA graphics, with WWAN
721525-001
Windows 8 Standard models with 1-GB of discrete graphics memory
721521-501
Windows 8 Professional models with 1-GB of discrete graphics memory
721521-601
Windows 8 Standard models with 2-GB of discrete graphics memory
721522-501
Windows 8 Professional models with 2-GB of discrete graphics memory
721522-601
Windows 8 Standard models, UMA graphics, without WWAN
721523-501
Windows 8 Professional models, UMA graphics, without WWAN
721523-601
Windows 8 Standard models, UMA graphics, with WWAN
721525-501
Windows 8 Professional models, UMA graphics, with WWAN
721525-601
AMD models:
Models without Windows 8 with 1-GB of discrete graphics memory
722818-001
Models without Windows 8 with 2-GB of discrete graphics memory
722821-001
Models without Windows 8 with UMA graphics
722824-001
Windows 8 Standard models with 1-GB of discrete graphics memory
722818-501
Windows 8 Professional models with 1-GB of discrete graphics memory
722818-601
Windows 8 Standard models with 2-GB of discrete graphics memory
722821-501
Windows 8 Professional models with 2-GB of discrete graphics memory
722821-601
Windows 8 Standard models with UMA graphics
722824-501
Windows 8 Professional models with UMA graphics
722824-601
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.
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.
then unplugging the AC adapter from the computer.
Component replacement procedures
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