1080 Dc-In Bracket And Dc-In Cable; 1090 Thermal Fan Assembly - Lenovo 21D8 Hardware Maintenance Manual

indicators on ESC, F1, and F4 blinking sequentially to indicate the progress. Do not press the power button
to interrupt the process. Wait a few minutes until the logo screen is displayed.

1080 DC-IN bracket and DC-IN cable

For access, remove this FRU:
• "1020 Base cover assembly" on page 66
Removal steps of the DC-IN bracket and DC-IN cable
Step Screw (quantity)
1
M2.5 × 5 mm, big-head, nylon-coated (1)
2
M2 × 3.5 mm, flat-head, nylon-coated (1)
When installing: Ensure that the connector is attached firmly.

1090 Thermal fan assembly

For access, remove this FRU:
• "1020 Base cover assembly" on page 66
Torque
Color
Black 0.29 +/- 0.03 Nm
(3.0 +/- 0.3 kgf-cm)
Black 0.18 +/- 0.015 Nm
(1.85 +/- 0.15 kgf-cm)
.
Chapter 9 Removing or replacing a FRU
71