310S Series User Guide Machine Type (MT): 90G9 [ideacentre 310S-08ASR/Energy Star] 90HX [ideacentre 310S-08IGM/Energy Star]
Front view of the computer Optical drive eject button (selected models only) Optical drive (selected models only) Power button Headphone connector Memory card reader (selected models only) USB 3.0 connectors (2) USB 2.0 connectors (2) Hard disk drive indicator Microphone connector ATTENTION: Be sure not to block any air vents on the computer. Blocked air vents may cause thermal problems. NOTE: This computer only can be placed in a vertical position.
Rear view of the computer 310S-08ASR 310S-08IGM Audio connectors Ethernet connector HDMI-out connector Power connector VGA-out connector Expansion card slots (such as graphic card) USB 2.0 connectors (2) NOTE: If your model has two VGA monitor connectors, be sure to use the connector on the graphics adapter. ATTENTION: Do not open the Wi-Fi antenna cover.
Installing the computer bracket NOTE: The computer bracket shown in the illustrations below is only for demonstration and need to be purchased separately.
Safety information for replacing CRUs Do not open your computer or attempt any repairs before reading the “Important safety information” in the Safety, Warranty, Environment, Recycling Information Guide and Important Product Information Guide that was included with your computer. If you no longer have this copy of the Safety, Warranty, Environment, Recycling Information Guide and Important Product Information Guide, you can obtain one online from the website at http://www.lenovo.com/UserManuals.
1 Removing the computer cover 2 Removing the front bezel 5
3 Replacing a hard disk drive 4 Replacing the optical drive 6
5 Replacing a PCI express adapter 6 Replacing a memory module or 7
