Description Spare part number
Intel Pentium 3825U processor; UMA graphics memory 824130-xxx
Intel Pentium 3805U processor; UMA graphics memory 799549-xxx
Intel Pentium 3558U processor; UMA graphics memory 768150-xxx
Intel Celeron 3215U processor; UMA graphics memory 824128-xxx
Intel Celeron 3205U processor; UMA graphics memory 799548-xxx
System boards for use in models with AMD processors:
AMD FX-7500 processor; 1 GB discrete graphics memory 773080-xxx
AMD A10-7300 processor; 2 GB discrete graphics memory 773079-xxx
AMD A8-7100 processor; 2 GB discrete graphics memory 773078-xxx
AMD A6-7000B processor; 2 GB discrete graphics memory 773077-xxx
AMD A10-7300 processor; UMA graphics memory 773075-xxx
AMD A8-7100 processor; UMA graphics memory 773074-xxx
AMD A6-7050B processor; UMA graphics memory 773073-xxx
Before removing the system board, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is o 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 rst 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 36).
5. Remove the following components:
a. Service doors (see Service door on page 37).
b. Hard drive (see Hard drive on page 39)
c. Optical drive (see Optical drive on page 43)
d. Keyboard (see Keyboard on page 49)
e. Top cover (see Top cover on page 58)
When replacing the system board, be sure to remove the following components from the defective system
board and install on the replacement system board:
●
Memory modules (see Memory modules on page 41)
●
WLAN/Bluetooth module (see WLAN/Bluetooth combo card on page 45)
●
WWAN module (see WWAN module on page 47)
Remove the system board:
1. Position the computer upright with the front toward you.
Component replacement procedures 79
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