Table 20. Removal steps of optical drive or travel cover (continued)
1
M2 × 4 mm, wafer-head, nylon-coated (2)
Black
0.181 Nm
(1.85 kgfcm)
2
1110 DIMM
For access, remove “1030 Keyboard” on page 55.
Table 21. Removal steps of DIMM
1
1
2
When installing:
Insert the notched end of the DIMM into the socket. Press the DIMM in firmly, and pivot it until it
snaps into place. Make sure that it is firmly fixed in the slot and does not move easily.
For access, remove these FRUs in order:
•
“1020 Hard disk drive or solid state drive assembly” on page 54
•
“1030 Keyboard” on page 55
•
“1120 PCI Express Mini Card for wireless LAN” on page 65
•
“1130 PCI Express Mini Card for wireless WAN” on page 67
•
“1040 Top case assembly” on page 58
•
“1090 Battery pack” on page 62
64
Hardware Maintenance Manual
Summary of Contents for 440128U
Page 1: ...Hardware Maintenance Manual ThinkPad Edge E420s ...
Page 6: ...iv Hardware Maintenance Manual ...
Page 11: ...DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information 5 ...
Page 12: ...DANGER 6 Hardware Maintenance Manual ...
Page 13: ...PERIGO PERIGO PERIGO Chapter 1 Safety information 7 ...
Page 14: ...PERIGO PERIGO PERIGO PERIGO PERIGO DANGER 8 Hardware Maintenance Manual ...
Page 15: ...DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information 9 ...
Page 16: ...DANGER DANGER VORSICHT VORSICHT VORSICHT 10 Hardware Maintenance Manual ...
Page 17: ...VORSICHT VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information 11 ...
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Page 90: ...Overall 1 2 4 5 7 9 13 18 14 15 19 8 12 11 17 16 10 6 3 84 Hardware Maintenance Manual ...