Lenovo ThinkCentre M90z (English) User Guide - Page 50

Replacing the card reader

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What to do next: • To work with another piece of hardware, go to the appropriate section. • To complete the installation or replacement, go to "Completing the parts replacement" on page 50. Replacing the card reader Attention: Do not open your computer or attempt any repair before reading and understanding the "Important safety information" in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on how to replace the card reader. Note: The card reader is available only in some models. To replace the card reader, do the following: 1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer. 2. Place a soft, clean towel or cloth on the desk or surface. Hold the sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up. 3. Remove the computer cover. See "Removing the computer cover" on page 14. 4. Locate the card reader in the computer. See "Component locations" on page 10. 5. Disconnect the USB cable from the card reader. 6. Remove the two screws that secure the card reader and then lift the card reader out of the computer. Figure 34. Removing the card reader 7. Align the screw holes in the new card reader with those in the computer and then install the two screws to secure the card reader. 8. Connect the USB cable to the new card reader. 42 ThinkCentre User Guide

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What to do next:
•
To work with another piece of hardware, go to the appropriate section.
•
To complete the installation or replacement, go to “Completing the parts replacement” on page 50.
Replacing the card reader
Attention:
Do not open your computer or attempt any repair before reading and understanding the “Important safety information”
in the
ThinkCentre Safety and Warranty Guide
that came with your computer. To obtain a copy of the
ThinkCentre
Safety and Warranty Guide
, go to:
This section provides instructions on how to replace the card reader.
Note:
The card reader is available only in some models.
To replace the card reader, do the following:
1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect
all power cords from electrical outlets and disconnect all cables that are connected to the computer.
2. Place a soft, clean towel or cloth on the desk or surface. Hold the sides of your computer and gently lay
it down so that the screen is against the surface and the cover is facing up.
3. Remove the computer cover. See “Removing the computer cover” on page 14.
4. Locate the card reader in the computer. See “Component locations” on page 10.
5. Disconnect the USB cable from the card reader.
6. Remove the two screws that secure the card reader and then lift the card reader out of the computer.
Figure 34. Removing the card reader
7. Align the screw holes in the new card reader with those in the computer and then install the two screws
to secure the card reader.
8. Connect the USB cable to the new card reader.
42
ThinkCentre User Guide