How to reinstall the data collector on same Server or PC
1) Stop the data collector.
2) Uninstall the old data collector.
3) Install the new data collector.
4) As the data collector remember the account name from the old data collector installation it will be listed in the new data collector when it is launced.
5) Start the data collector.
If data collector will not start then check if the data collector is ready to be started after reinstalling the data collector.
1) Go to Admin -> Data Collector.
2) Click on the data collector and select settings tab.
3) If data collector is Unregistered then it is ready to be started.
4) If data collector is Registered then do an Unregister and now you can start the new data collector.
If you need to move the data collector to a new server or PC then look here: How to move the data collector to a new server or PC