PXI(e) Embedded Controller is Slow to Load Programs

Updated Apr 2, 2019

Reported In


  • PXIe-8820
  • PXIe-8135

Issue Details

  • My PXI(e) embedded controller running a Windows operating system has recently started operating very slowly and takes unbearably long to open up any programs or files on the system. What troubleshooting steps can I try?
  • I changed my PXI hard drive and , after the OS installation, it is very slow to boot.


As with any Windows machine, poor performance can be caused by a variety of factors. Some basic troubleshooting steps include:
  • Rebooting the system, if it has not been rebooted recently.
  • Closing any programs that are running in the background and disabling TSRs or startup programs that automatically launch each time the computer boots.
  • Run the Windows Disk Cleanup utility to delete temporary files that are no longer needed on the computer.
  • Free up hard drive space by uninstalling programs that are no longer used or deleting files that are no longer needed.
  • Run some sort of hard drive utility to verify that there is nothing physically wrong with the hard drive.
  • Defrag the hard drive to ensure memory is arranged in the best order.
  • Scan the device for malware and viruses that could be slowing down the system.
  • Make sure you have all the latest Windows updates installed on the machine.
  • Verify if you have all the OS updates.

If you have another SATA hard drive with a bootable operating system, you can try swapping out the drive in the controller to determine if the issue is inherent to the hard drive (see related links below).

If none of these troubleshooting steps help, contact National Instruments Support for further assistance.


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