I left my Fuze to charge and when I went to get it a few hours later Blue pink and yellow vertical bars were on my screen.
I have only had my black 4 gig fuze for about two months,
I have reset it several times and they are still there
Sounds like you may have a hardware issue. The Fuze is warranted free from defects for one year, two in the EU. Via the red SanDisk logo in the upper left, click on Support.
Bob 
