Curser placement issues
1 - Apple Keyboard and Mouse or a third party KB and mouse ?
OP Wrote " Also my machine seems to be running slower, giving me the spinning wheel at times. "
2 - Check Activity Monitor >> View > View ALL Processes
Which Processes or Applications are using the most CPU Tab and or Memory Tab
3 - How much Empty Space is there on the drive is reported from Disk Utilities
4 - Or avoid all the Q & A and Q & A process until we drill things down
Download the Application Etrecheck ( External Link ) directly from the Developer.
The Application is Not a " Silver Bullet " it is only a tool to examine the Hardware / Software used on this computer
This is a Diagnostic Tool that makes no changes to the computer.
It makes a coherent and readable inventory of both the Hardware and Software used on the computer
The application is free or paid for added features.
The Report will Not Reveal Any Personal Information.
Post back the Full Report - copy and paste - >>>> using the Additional Text Icon <<<<