Graphical Glitches - Bad Card?


recently, i've been having lot of weird graphical glitches on macbook pro.

garbled text lot, , when drag finder windows around, remnants of old window positions on desktop. also, in photoshop, sorts of glitches. dragging brushes around , such, random pieces of old layers , text appear on document.

here couple screenshots show mean on of these errors.

[​img]

[​img]

[​img]

has else experienced problems such these? bad graphics card, or else?
 

call apple up. looks video card problem (possibly bad memory modules video card, bad gpu problem too).
 


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