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I recently installed the NVIDIA 319 driver from the Jockey window, and now X won't load! I'm stuck with a blinking cursor. I used to have the 304 drivers installed.

How do I fix this?

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up vote 1 down vote accepted

What happened is actually pretty common. You most likely did not uninstall the old driver.

You need to go and boot into recovery mode. Steps are below.

  1. Reboot your PC.
  2. After your PC's logo shows, press and hold your SHIFT key.
  3. Select and boot into your newest recovery mode.
  4. Open a root terminal (no networking needed).
  5. Run mount -o remount,rw / DO NOT FORGET THE remount!
  6. Run sudo apt-get remove nvidia-304 nvidia-settings-304
  7. reboot and log in to Ubuntu as you always have.

Bonus Step: Fix Plymouth (the Ubuntu boot logo) by following this tutorial from WebUpd8.

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