Can my pc run arma 2 dayz on lowest settings?

[sunrayz]

Specs:
Amd phenom II X4 840T 2.9GHZ
RAM 6B
ATI RADEON HD 4200

 

[HEXiT]

with that gfx unlikely. if it does run it will be at a slide show pace.

 

[Gman450]

The minimum requirements fr ArmA II says that you need at least a 7800GT, which means your 4200 falls below that.
Also, the game isn't properly optimized for PC. That means, it won't run pretty on even high end rigs.