Display
Display size 13.3 inches
Maximum resolution 1280 x 800
Processor
Processor class Turion X2 Ultra Dual-Core Mobile ZM-84
Processor speed 2300 MHz
Graphics
Graphics Memory 64 MB, Mobile Intel 4 Series Express Chipset Family
Memory
Installed memory 4 GB
Memory technology DDR2 SDRAM
Memory Speed 667 MHz
Storage
Total HD Size 320 GB


Optical Drives
Optical Drive Type DVD±RW
Optical Drive Speed 8 x
Networking
Ethernet Type 10/100/1000 Mbps
Wifi Type 802.11 n
Modem Type Not Included
Interface Connections

Software
Operating system Microsoft Windows Vista Home Premium (64 bit)
Included Software Digital Persona Software (available with Fingerprint Reader configuration only), HP Total Care Advisor, Microsoft® Works 9.0, HP MediaSmart 2.0, Muvee Reveal, Sling Media Player, HP Games powered by Wild Tangent with Spore

Welcome to Armaholic
We have a sticky topic for these kind of questions:
Arma 2: system requirements / improvements

Please note if you meant to ask this for OA (since you posted in the OA troubleshooting) there also is such a topic for OA:
Arma 2: OA / CO system requirements / upgrades / performance improvements

Please use the topic which is correct for your game.