Lenovo ThinkPad Edge E320 Hardware Maintenance Manual - ThinkPad Edge E320, E3 - Page 71

PCI Express Mini Card for wireless WAN for ThinkPad Edge E320 - bluetooth

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• If a system board is dropped, you must test it, using PC-Doctor for DOS, to make sure that the HDD Active Protection System™ still functions. Note: If the test shows that the HDD Active Protection System is not functioning, be sure to document the drop in a reject report, and replace the system board. • Avoid rough handling of any kind. • At every point in the process, be sure not to drop or stack the system board. • If you put a system board down, be sure to put it only on a padded surface such as an ESD mat or a corrugated conductive surface. After replacing the system board, run PC-Doctor for DOS to make sure that the HDD Active Protection System still functions. The procedure is as follows: 1. Place the computer on a horizontal surface. 2. Run Diagnostics ➙ ThinkPad Devices ➙ HDD Active Protection Test. Attention: Do not apply physical shock to the computer while the test is running. For access, remove these FRUs in order: • "1010 Battery pack" on page 48 • "1020 Hard disk drive door" on page 49 • "1040 Hard disk drive or solid state drive assembly" on page 51 • "1050 PCI Express Mini Card for wireless LAN" on page 53 • "1060 PCI Express Mini Card for wireless WAN for ThinkPad Edge E320" on page 55 • "1080 Backup battery" on page 57 • "1090 Keyboard" on page 57 • "1100 Keyboard bezel assembly and power button board" on page 60 • "1110 Bluetooth daughter card" on page 62 Removal steps of fan assembly Note: Loosen the screws 1 in order as shown in the following figures. 1a 2 1d 1b 1i 1e 1g 1f 1c 1h For integrated fan assembly: Chapter 8. Removing and replacing a FRU 65

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•
If a system board is dropped, you must test it, using PC-Doctor for DOS, to make sure that the HDD Active
Protection System
™
still functions.
Note:
If the test shows that the HDD Active Protection System is not functioning, be sure to document the drop in a
reject report, and replace the system board.
•
Avoid rough handling of any kind.
•
At every point in the process, be sure not to drop or stack the system board.
•
If you put a system board down, be sure to put it only on a padded surface such as an ESD mat or a corrugated
conductive surface.
After replacing the system board, run PC-Doctor for DOS to make sure that the HDD Active Protection System
still functions. The procedure is as follows:
1. Place the computer on a horizontal surface.
2. Run
Diagnostics
➙
ThinkPad Devices
➙
HDD Active Protection Test
.
Attention:
Do not apply physical shock to the computer while the test is running.
For access, remove these FRUs in order:
•
“1010 Battery pack” on page 48
•
“1020 Hard disk drive door” on page 49
•
“1040 Hard disk drive or solid state drive assembly” on page 51
•
“1050 PCI Express Mini Card for wireless LAN” on page 53
•
“1060 PCI Express Mini Card for wireless WAN for ThinkPad Edge E320” on page 55
•
“1080 Backup battery” on page 57
•
“1090 Keyboard” on page 57
•
“1100 Keyboard bezel assembly and power button board” on page 60
•
“1110 Bluetooth daughter card” on page 62
Removal steps of fan assembly
Note:
Loosen the screws
1
in order as shown in the following figures.
2
1f
1i
1b
1a
1g
1h
1d
1e
1c
For integrated fan assembly
:
Chapter 8
.
Removing and replacing a FRU
65