Lenovo ThinkSmart Hub 500 User Manual And Hardware Maintenance Manual

Figure 44. Installing the heat sink4. Reinstall the removed parts. To complete the replacement, see “Completing the parts replacement” onpage 56.Replacing the coin-cell batteryAttention: Do not open your meeting console or attempt any repairs before reading the Important ProductInformation Guide.Note: To dispose of the coin-cell battery, refer to “Lithium coin-cell battery notice” in the Safety, Warranty,and Setup Guide.Your meeting console has a special type of memory that maintains the date, time, and settings for built-infeatures, such as parallel connector assignments (configurations). A coin-cell battery keeps this informationactive when you turn off the meeting console.The coin-cell battery normally requires no charging or maintenance throughout its life; however, no coin-cellbattery lasts forever. If the coin-cell battery fails, the date, time, and configuration information (includingpasswords) are lost. An error message is displayed when you turn on the meeting console.1. Remove the system cover. For details, see “Removing the system cover” on page 20.2. Remove the system fan. For details, see “Replacing the system fan” on page 30.3. Remove the heat sink. For details, see “Replacing the heat sink” on page 31.4. Replace the coin-cell battery.Chapter 4. Replacing hardware 33