The battery is a lithium ion battery. To avoid possible explosion, do not burn the battery. Exchange it 
only with the approved part. Recycle or discard the battery as instructed by local regulations. 
Attention: 
•  Go over “Installation Guidelines” on page 107 to ensure that you work safely.
•  Touch the static-protective package that contains the component to any unpainted metal surface on the 
server; then, remove it from the package and place it on a static-protective surface.
Watch the procedure. A video of this procedure is available from the following links: 
• 
https://www.youtube.com/playlist?list=PLYV5R7hVcs-C6QgmsUMRG6ul0bHzrGmsG
•  https://list.youku.com/albumlist/show/id_54461099
Procedure
Note: Follow any special handling and installation instructions that come with the replacement battery.
Step 1.  Place the CMOS battery on top of the socket with the positive (+) symbol facing up, and press the 
battery into the seat until it clicks in place. 
Figure 43. Installing the CMOS battery
After this task is completed
1.  Proceed to complete the parts replacement (see “Complete the parts replacement” on page 218).
2.  Reset date, time, and all the passwords.
External LCD diagnostics handset replacement
Follow instructions in this section to remove or install the external LCD diagnostics handset.
Remove the external LCD diagnostics handset
Follow instructions in this section to remove the external LCD diagnostics handset.
About this task
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CAUTION: 
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ThinkSystem SR850 V2 Maintenance Manual