Lenovo ThinkStation P920 User Manual page 150

Refer to the "Lithium coin-cell battery notice" in the Safety, Warranty, and Setup Guide for information about
disposing of the coin-cell battery.
To remove and install the coin-cell battery, do the following:
1. Prepare your computer. See "Preparing your computer and removing the computer cover" on page 61.
2. To access the coin-cell battery, remove the following parts:
• "Direct cooling air baffle" on page 65 (if necessary)
• "Power supply assembly" on page 108
• "Front fan assembly" on page 95
• "M.2 solid-state drive holder" on page 98
• "PCIe card retainer" on page 113 (if necessary)
• "Super capacitor module" on page 128 (if necessary)
• "Full-length PCIe card" on page 121 (if necessary)
• "Multi-function bracket in the upper position" on page 131
3. Locate the coin-cell battery. See "Parts on the system board" on page 6.
4. Remove the old coin-cell battery as shown.
Figure 132. Removing the coin-cell battery
5. Install the new coin-cell battery as shown.
Figure 133. Installing the coin-cell battery
6. Reinstall the following parts if you have removed them:
• "Multi-function bracket in the upper position" on page 131
• "Front fan assembly" on page 95
• "Power supply assembly" on page 108
• "M.2 solid-state drive holder" on page 98
• "PCIe card retainer" on page 113
• "Super capacitor module" on page 128
• "Full-length PCIe card" on page 121
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P920 User Guide