Lenovo ThinkCentre M58e Hardware Maintenance Manual - Page 107

This section provides instructions on how to remove and replace a memory module. 1. Open the computer cover. See "Opening the cover" on page 99. 2. Pivot the drive bay assembly upward to access the memory slots. See "Accessing system board components and drives" on page 100. 3. Remove any parts that might prevent your access to the memory slots. 4. Locate the memory slots. 5. Open the retaining clips. 6. Position the memory module over the memory slot. Make sure that the notch 1 on the memory module aligns correctly with the slot key 2 on the system board. Push the memory module straight down into the slot until the retaining clips close. Replacing the battery Attention Do not open your computer or attempt any repair before reading and understanding the "Important safety information" in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to:http://www.lenovo.com/support This section provides instructions how to remove a CMOS battery. To replace the battery: 1. Open the computer cover. See "Opening the cover" on page 99. 2. Locate the battery. See "System board connectors" on page 98. 3. Remove the old battery. Chapter 9. Replacing FRUs (Types 7259, 7267, 7269, 7279, 7290, 7297, 7303, 7306, 7408, 7487, 7506 and 7514) 101