Symptoms

• NimOS and the laptop are running very slowly after some use, and gets slower over time.

• The laptop gets hot shortly after being powered on, and becomes very hot to the touch

Diagnosis

• Open up the Task Manager, using ctrl+alt+delete. 

• On the performance tab, you can see the hardware usage of all of the open programmes. Look at the overall memory usage and the NimOS memory usage. BIOS S

• If the overall memory usage and the NimOS memory usage are both highlighted in red, this indicates that NimOS is using too much memory, caused by a memory leak

Resolution

• Disconnect the microscope from NimOS and shut down NimOS
  

• Shut Down the laptop completely
  

• Press the power button on the laptop and then right away start pressing the f12 button repeatedly, until you see "Preparing one-time boot menu.." in the top right hand corner
  

• On the one-time boot menu, navigate to BIOS Setup using the arrow keys, and select it using the Enter key
  

• On the BIOS screen, use the mouse to click the + next to "Video" and From the menu that appears below, click on "Switchable Graphics"
  

• On the right hand side of the screen, select the checkbox next to "Discrete Graphics Controller Direct Output Mode" and de-select "Enable Switchable Graphics"
  

• Click "Apply" and then "Okay" to save the settings
  

      

• Click "Exit" to exit the BIOS menu