Lenovo Horizon 27 Table PC IdeaCentre Horizon 27 All-In-One PC Hardware Mainte - Page 34
Removing the EMI cover, cables
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b. Reattach the rubber cap. Removing the EMI cover Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover. Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the computer screen from scratches or other damage. To replace the EMI cover Step 1. Step 2. Step 3. Step 4. Step 5. Remove any media (disks, CDs, DVDs, or memory cards) from the drives, shut down the operating system, and turn off the computer and all attached devices. Unplug all power cords from electrical outlets. Disconnect all cables attached to the computer. This includes power cords, input/output (I/O) cables, and any other cables that are connected to the computer. Refer to "Left and right view" and "Rear view" for help with locating the various connectors. Remove the rear cover. Refer to "Removing the rear cover". Remove the five screws that secure the EMI cover to the chassis. 28 IdeaCentre Horizon 27 All-In-One PC Hardware Maintenance Manual