Lenovo B520 Lenovo IdeaCentre B520 Hardware Maintenance Manual - Page 60
Replacing the power cord
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Hardware Maintenance Manual Note Your mouse will be connected to the USB connector at either side or at the rear of the computer. 4. Disconnect the defective mouse cable from the computer and connect the new mouse cable to the same connector. Replacing the power cord Attention Do not remove the computer cover or attempt any repair before reading the "Important safety information" in the Safety and Warranty Guide that was included with your computer or in the Hardware Maintenance Manual (HMM) for the computer. To obtain copies of the Safety and Warranty Guide or HMM, go to the Support Web site at: http://consumersupport.lenovo.com. To replace the power cord and power adapter: 1. Remove any media (disks, CDs, or memory cards) from the drives, shut down the operating system, and turn off the computer and all attached devices. 58