Helping debug system hangs

If your Chromebook appears hung (i.e., the keyboard and/or trackpad seem unresponsive), try the following steps:
  1. Press alt-volume_up-x key combination.  If you're using a ChromeBox use F10 instead of Volume-Up.  These three keys need to be pressed in that order.  This should cause Chrome browser to restart, and it may take a few seconds.   If the system becomes responsive, go to step 6.
  2. If the system is still unresponsive, press the alt-volume_up-x key combination again.  This should cause X to restart.  If the system becomes responsive, go to step 6.
  3. If the system is still unresponsive, press the alt-volume_up-x key combination a final time.  This should cause the kernel to panic-reboot.  If the system becomes responsive, go to step 6.
  4. Press alt-volume_up-r key combination, the system should reboot, go to step 6.  (This won't work on older chromebooks or chromeboxes)
  5. If the system is still unresponsive, press the power button for 8+ seconds and the system will power off
  6. Boot the machine and log in and file feedback using alt-shift-i key combination.
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