Removing and replacing a FRU
1200 System board and lower case assembly with label
For access, remove following FRUs, in order:
v“1010 Battery pack” on page 60
v“1020 Hard disk drive
v“1030 DIMM cover” on page 63
v“1050 Keyboard” on page 65
v“1060 Upper case” on page 69
v“1080 Hard disk
v“1090 Hard disk housing
v“1100 Wireless WAN PCI Express Mini card” on page 75 or “1110 Intel Turbo Memory card” on page 77
v“1120 Wireless LAN PCI Express Mini card” on page 78
v“1130 MDC” on page 81
v“1150 Second Fan” on page 83
v“1160 Speaker” on page 84
v“1170
v“1180 LCD assembly” on page 86
v“1190 Hard disk
Important notices for handling the system board
When handling the system board, bear the following in mind.
vThe system board has an accelerometer, which can be broken by applying several thousands of
Note: Dropping a system board from a height of as little as 6 inches so that it falls flat on a hard bench can subject the accelerometer to as much as 6,000 G’s of shock.
vBe careful not to drop the system board on a bench top that has a hard surface, such as metal, wood, or composite.
vIf a system board is dropped, you must test it, using
Note: If the test shows that HDD Active Protection is not functioning, be sure to document the drop in any reject report, and replace the system board.
vAvoid rough handling of any kind.
vAt every point in the process, be sure not to drop or stack the system board.
vIf you put a system board down, be sure to put it only on a padded surface such as an ESD mat or conductive corrugated material.
After replacing the system board, run
1.Place the computer on a horizontal surface.
2.Run Diagnostics
Attention: Do not apply physical shock to the computer while the test is running.