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• Before you attach the fan assembly to the computer, apply thermal grease, at an amount of 0.2 grams, on
the part marked
a
and
grease can cause a thermal problem due to imperfect contact with a component.
• Tighten the screws in ascending order by following the number marked beside each screw. Otherwise, the
system board might get damaged.
• Ensure that the connector is attached firmly.
1070 Built-in battery
Important notices 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 Solution Center 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.
If the Lenovo Solution Center program is not installed on the computer, the customer should download and
install the program to diagnose the battery, before getting a non-physically damaged battery replaced. Note
that the replacement of a physically damaged battery is not covered by the warranty.
For access, remove this FRU:
• "1010 Base cover assembly" on page 61
• "1050 Speaker assembly" on page 64
b
as shown in the following illustrations. Either too much or too less application of
.
Chapter 8
Removing or replacing a FRU
67
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