Processor
Description Spare part number
Intel Core i5 2400S processor, 2.5 GHz, 65W 640953-001
Intel Core i3 2120 processor, 3.3 GHz, 65W 638629-001
Intel Pentium Dual-Core G850 processor, 2.9 GHz, 65W 655973-001
Intel Celeron G540 processor, 2.5 GHz 665119-001
1. Prepare the computer for disassembly (Preparation for Disassembly on page 46).
2. Remove the rear I/O panel (
Rear I/O Panel on page 49).
3. Remove the mounting bracket cover (
Mounting Bracket Cover on page 53).
4. Remove the display head back panel (
Display Head Back Panel on page 54).
5. Remove the display head from the stand (
Removing the Display Head from the Stand
on page 90).
6. Remove the rear metal plate (
Rear Metal Plate (EMI shield) on page 91).
7. Remove the heat sink (
Heat Sink on page 97).
8. Rotate the locking lever to its full open position (1).
9. Raise and rotate the microprocessor retainer to its fully open position (2).
10. Carefully lift the processor from the socket (3).
CAUTION: Do NOT handle the pins in the processor socket. Once pins are damaged it may be
necessary to replace the system board.
Figure 8-6 Removing the Processor
Processor 99
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