How To Repair a NimOS Memory Leak on a Dell Precision 7500

How To Repair a NimOS Memory Leak on a Dell Precision 7500

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