Removal steps of the speaker assembly
Step
Screw (quantity)
Color
Torque
2
M2.2 × L2.2+2.3 mm, big-head shoulder, nylon-coated (3)
Black
0.181 Nm
(1.85 kgf-cm)
When installing:
Ensure that the connector is attached firmly.
1080 Built-in battery
Important notice for replacing a battery
Attention:
Lenovo has no responsibility for the performance or safety of unauthorized batteries, and provides no
warranties for failures or damage arising out of their use.
The Lenovo Vantage program provides an automatic battery diagnostic test that determines if the battery is defective.
A battery FRU should not be replaced unless this diagnostic test shows that the battery is defective. The only
exception to this is if the battery is physically damaged or a customer is reporting a possible safety issue. Note that a
physically damaged battery is a non-warranty replacement part.
For access, remove these FRUs:
• “1010 Removing the nano-SIM card and the nano-SIM-card tray” on page 64
• “1020 Base cover assembly” on page 64
72
T590 and P53s Hardware Maintenance Manual
Summary of Contents for 20N4
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