There's a self help video on the Aurora website. Here's a link:
https://www.auroracorp.com/videos/troubleshooting/The_Shredder_Does_Not_Power_On.htm
Overall help pages:
https://www.auroracorp.com/troubleshootinggeneralshredders.html
If you really feel the need to take it apart, I think you will find the screws are deeply recessed under the bottom of the main unit which sits on the bin.
MAKE SURE YOU UNDERSTAND WHAT YOU ARE DOING AND HOW TO WORK SAFELY. YOU WILL BE WORKING WHERE THERE CAN BE LETHAL VOLTAGES.
Ohhf, February 2024