Lenovo ThinkCentre M50e Hardware Maintenance Manual - Page 107

Removing, replacing, drives

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Microprocessor 0.01 mL of thermal grease 14. Place the fan and heat sink into position on the microprocessor. 15. When tightening the screws that clamp the heat sink, do not overtighten. Tighten the clamp screws evenly by tightening one side some and then the other until they are both snug. 16. Reconnect the fan to the system board connector. 17. If you are replacing a failing system board, go back to the system board procedure. Otherwise, go to "Closing the cover and connecting cables" on page 104. Removing and replacing drives 1. Remove the cover. See "Removing the cover" on page 92. 2. If you are removing the hard disk drive or diskette drive, remove the front bezel by releasing the four plastic tabs inside the chassis and pressing down on the top of the bezel. Chapter 8. Replacing FRUs (Types 8126, 8174, 8175, and 8176) 101

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Microprocessor
0.01 mL of
thermal grease
14.
Place
the
fan
and
heat
sink
into
position
on
the
microprocessor.
15.
When
tightening
the
screws
that
clamp
the
heat
sink,
do
not
overtighten.
Tighten
the
clamp
screws
evenly
by
tightening
one
side
some
and
then
the
other
until
they
are
both
snug.
16.
Reconnect
the
fan
to
the
system
board
connector.
17.
If
you
are
replacing
a
failing
system
board,
go
back
to
the
system
board
procedure.
Otherwise,
go
to
“Closing
the
cover
and
connecting
cables”
on
page
104.
Removing
and
replacing
drives
1.
Remove
the
cover.
See
“Removing
the
cover”
on
page
92.
2.
If
you
are
removing
the
hard
disk
drive
or
diskette
drive,
remove
the
front
bezel
by
releasing
the
four
plastic
tabs
inside
the
chassis
and
pressing
down
on
the
top
of
the
bezel.
Chapter
8.
Replacing
FRUs
(Types
8126,
8174,
8175,
and
8176)
101