Tried everything - Vista still does not recognize printer Epson!

I have Vista Home Premium 32-bit. I spent HOURS trying to get my printer Epson CX7800 installed. I get the error unknown device and after trying to install the printer software, the message that the device is not working properly. The CX7800 is compatible with Vista. I have checked/tried this following:

  1. Installed updates for Vista.
  2. Tried to install the drivers updated from the Epson site. Installation cannot recognize that the printer is plugged in and turned on and closed unexpectedly.
  3. Troubleshooted on the Epson site. Followed their advice to uninstall/reinstall to the letter.
  4. Verified the printer on other computers running XP - works fine.
  5. I tried changing USB ports - all ports are good.
  6. FixIt ran from the Microsoft site - no problems found.
  7. Tried the Add Assistant printer - who cannot find drivers - even if I click on disc then point it on where are the downloaded drivers.
  8. Troubleshooted on the Dell site - have a desktop Dimension E521 - no luck.
  9. He spent hours searching for technical advice and do not yet have a solution that works.

Any help for that to be resolved would be LARGELY APPRECIATED. It's a question of Vista - not a problem with the printer or the computer. Argh!

I can't believe how easy the solution was... amazing that this simple solution has been so difficult to dig for!

All I had to do was go to the Device Manager and disable the PCI Standard improved to the USB host controller.

That's all! Turned on my printer and installed the software and I printed a page within 3 minutes!

How frustrating that it took me more than 30 hours to get this simple solution. But I hope that it can save someone else from countless hours and frustration.

I found the answer on CNET: http://forums.cnet.com/7723-12546_102-215320.html

Tags: Windows

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