To update the firmware with no Surface connected:

... result in firmware corruption. Make sure the mains power and connecting cables are reliable and that the ... Template Show or User Show to restore your settings.

About DJ Mixers Updates:

Updating the mixer's firmware version can ... to the mixer via any available methods, and power up the unit through various key combinations in order to enter update mode (make sure you read the product's user guide).

This said, if you consider installing this release and you're positive you have all the knowledge you need for a successful upgrade, download the package, and apply it to your mixer. Check with our website constantly so that you don't miss any update that can improve your device.

  It is highly recommended to always use the most recent driver version available.

Try to set a system restore point before installing a device driver. This will help if you installed an incorrect or mismatched driver. Problems can arise when your hardware device is too old or not supported any longer.