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