Opening the cover - ThinkCentre A50 (type 8089, 8090) / S50 (type 8086, 8087, 8088, 8094) / ThinkCentre M55 (type 8009, 8791, 8795, 8799, 8803, 8807, 8812)
Important: Read "Safety information" before opening the cover.
- Shut down the operating system, remove any media (DVDs, CDs, or tapes) from the drives, and turn off 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.
- Press the buttons on the sides of the computer and pivot the cover upward to open.
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