7racecar7 0 Posted January 18, 2013 Hello, I am trying to get my Copam 2500 working again, I am using the USB to serial port and have tried downloading the driver and using this process: 1. Open the Windows command promt as "Run as Administrator".2. Run "bcdedit -set loadoptions DISABLE_INTEGRITY_CHECKS" (without the ""). 3. To finalize the process run "bcdedit -set TESTSIGNING ON" (without the "").4. Reboot and you're done. All I get is the COM 4 with the exclamation point and it will not populate in my cutting software, is there a fix to this? Im in a jam and need a quick fix. Share this post Link to post Share on other sites