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Everything is hooked up but nothing is working. What should I do? (Windows)

When you troubleshoot issues with a parallel device, there are some quick tests that you can complete to rule out potential problems. You can test to make sure that the following components are working correctly and are not the source of the issue:

  • Parallel cables

  • Parallel ports

  • Parallel devices

To test your setup components, try the following:

  • Use the parallel cable, parallel port, and parallel device in another setup to see if the problem is with the components or the setup.

  • Use a different parallel cable, parallel port, and parallel device in your setup to see if the problem persists. Ideally, you should test a component that you know works in another setup.

When you test your cables, it is recommended that you do the following:

  • Test each cable individually.

  • Use short cables when you are testing.

When you test the parallel ports and parallel device, it is recommended that you do the following:

Note: Some parallel devices only work if the LPT port number is between a certain range, usually LPT1 or LPT2.