If you're experiencing problems with your Nexus One you may have to reset it. Everyone knows how to do a soft reset - remove the battery. If you're experiencing more serious problems and need to hard reset the phone follow the instructions below.

Nexus One Hard Reset:

Turn the phone off

Hold the Volume Down button then press the Power button.

You will see a boot menu with some skateboard guys.

Using the Volume Down button, select Clear Storage from the list.

Press the Power button to select, then confirm by pressing the Volume Up button.

Your phone will reboot.