help new memory stick does not work?!?

I just got a new lexar 2GB memory stick PRO duo for psp/ps3.

When I put it in my slim psp, the memory light started blinking alot and then slowed down to a blink every other second.

Then I put it in usb mode and it says "no disk", then I tried it on my old fat psp and still it doesn't work!!!!!

sorry for my gammer and what not.

What sould I do?

P.S. i sent them an angry email.

Obviously you got a card that is not compatible. Geta Sandisk card.

P.S.

'HELPPPPPP'

The above is very bad taste to post a question, and then start yelling for help. You're lucky I didn't give you a good hefty flaming instead of advice.

Lexar is great, I got a 4GB Lexar for 40 dollars, and it works perfectly.Meleeboy

Where?!

try it on a friend's psp. if it works then the problems on your console. but if not, have it replced immediately or the warranty will expire