Head over to: www.denondj.com Click on Downloads Scroll until you see “Standalone DJ Systems”
Looking for older download versions for the Prime 4? Click here.
Once again, click there on “Standalone DJ Systems” - Prime4
Download Firmware 1.4.1 (PC)
- Turn off Device
- Hold Eject Button - While Starting Device.
- You will see a Screen with a Chip
- Stop Virusscanner on your PC
- Connect Prime4 with the Blue USB Cable to your PC
- Doubble click “Prime41.4.1Updater-Win.exe”
- Click that Updater can check for Installed Drivers (OK)
- Press Update Prime 4
Cross your fingers … and hope
After transfering the Firmware to the Prime, it updates to 1.4.1 Wait until Prime reboots. You should see now the reminder for new Software. (Leave it - dont press anything) Now after a few seconds, Prime starts updating its devices.
Wait - Wait - Wait . . . Dont touch anything … (It takes some time)
(By the way - I do the same steps right now to be sure it does all I write here.)
Now after Update you should see the reminder again.
Press on (Ignore)
Hopefully you should now can choose your source.
Choose your Source and Test your Device as good as you can. If it works … you can download V1.5.1 again and do the same steps as above with 1.5.1
If it then fails again … youuuuuu know … go back to 1.4.1 how described and wait until we get a new Firmware (Maybe there is a bug for some of the Primes … why ever)
I cross my fingers for you. 