Lenovo H520g Lenovo H520g Hardware Maintenance Manual - Page 76

Removing the computer cover, and Locating connectors on the rear of your computer

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Removing the computer cover Attention: Do not open your computer or attempt any repair before reading and understanding the "Important safety information" in the User Guide. To obtain a copy of the User Guide, go to: http://www.lenovo.com/ThinkCentreUserGuides This section provides instructions on how to remove the computer cover. CAUTION: Turn off the computer and wait three to five minutes to let the computer cool before removing the computer cover. To remove the computer cover, do the following: 1. Remove any media from the drives and turn off all attached devices and the computer. 2. Disconnect all power cords from electrical outlets. 3. Disconnect the power cords, Input/Output cables, and any other cables that are connected to the computer. See "Locating connectors, controls, and indicators on the front of your computer" on page 65 and "Locating connectors on the rear of your computer" on page 66. 4. Remove any locking device that secures the computer cover, such as a padlock or an integrated cable lock. 5. Remove the two screws that secure the computer cover and slide the computer cover to the rear to remove it. Figure 6. Removing the computer cover 72 Lenovo H520gHardware Maintenance Manual

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Removing the computer cover
Attention:
Do not open your computer or attempt any repair before reading and understanding the “Important safety information”
in the
User Guide
. To obtain a copy of the
User Guide
, go to:
This section provides instructions on how to remove the computer cover.
CAUTION:
Turn off the computer and wait three to five minutes to let the computer cool before removing the
computer cover.
To remove the computer cover, do the following:
1. Remove any media from the drives and turn off all attached devices and the computer.
2. Disconnect all power cords from electrical outlets.
3. Disconnect the power cords, Input/Output cables, and any other cables that are connected to the
computer. See “Locating connectors, controls, and indicators on the front of your computer” on page
65 and “Locating connectors on the rear of your computer” on page 66.
4. Remove any locking device that secures the computer cover, such as a padlock or an integrated
cable lock.
5. Remove the two screws that secure the computer cover and slide the computer cover to the rear to
remove it.
Figure 6. Removing the computer cover
72
Lenovo H520gHardware Maintenance Manual