3. Disconnect the cables attached to the computer. This includes power cords, input/output (I/O) cables,
and any other cables that are connected to the computer. See “Locating controls and connectors on the
front of your computer” on page 75 and “Rear connectors” on page 107.
4. Remove any locking devices, such as a cable lock or padlock that secures the computer cover. Open the
keylock if it is in the locked position.
5. Disengage the cover latch
1
and remove the cover. Place the cover on a flat surface.
Locations
The following illustration will help you locate the major FRUs in the computer.
Chapter 11
.
Replacing FRUs (Type 4155, 4158, 4218)
109
Summary of Contents for 4157 - ThinkStation S20 - 2 GB RAM
Page 1: ...ThinkStation Hardware Maintenance Manual Machine Type 4105 4155 4157 4158 4217 4218 ...
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Page 3: ...ThinkStation Hardware Maintenance Manual Machine Type 4105 4155 4157 4158 4217 4218 ...
Page 15: ...Chapter 2 Safety information 9 ...
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Page 93: ...Chapter 10 Replacing FRUs Type 4105 4157 4217 87 ...
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Page 276: ...Part Number 53Y4348 Printed in USA 1P P N 53Y4348 53Y4348 ...