Lenovo 57312695, 57315617, 57315603, C440, C445, C345, C540 manual Left and right views of the computer

Left and right views of the computer

Attention: Be sure not to block any air vents on the computer. Blocked air vents may cause thermal problems.

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USB connector	Headphone connector
Microphone connector	USB connector
Memory card reader	Power button
Optical drive eject button	Optical drive

Attention: Do not insert 3-inch discs into the optical drive.

User Guide 3