Displayed Text got glitches


just got my 4GB Sansa Clip - and i really like it.

But: All the text the sansa displays (whether menu-items or ID-Tags) is slightly distorted.

E.g. it reads “FM Ra .dio”, “La .ngua .ge”, “Forma .t”.
So i’d say a third of the text got these little Points in it.

I Upgraded to the newest Firmware, but it won’t improve.

Any Help?

Cia, Thomas