Smoke and explosion particles change colours and lights flicker on and off

[Wiggy59]

hi all, basically, my brother installed arma 2, arma 2 OA (with expansions) on his day old Lenovo ThinkPad Edge E520 Laptop and basically, whilst ingame, smoke particles (wether it be from exaust fumes, explosions or simply firing a machine gun and also lights from lighthouses and street lights) seem to change colour dramatically, like yesterday whilst in a hind D rocket smoke trails were red, and on impact to the ground it flashed green, blue and purple, also street lights are usually blue and purple, he just installed OA this morning and has the same problem, he has tried swapping between the two graphics cards with no avail. We've also updated the graphics driver, yet again with no avail, and basically cannot find anything on the internet to fix this problem so im calling out to the community for a helping hand.

his specs are

Core i5 2410M 2.3GHz (turbo 2.0 up to 2.9GHz), 4GB RAM, 500GB HDD, 15.6" LED, DVDRW, AMD HD6630M + Intel 3000, Webcam, Windows 7 Professional 64

and suggestions are warmly welcomed! i will again post some screenshots in a reply in just a few minutes.



http://imageshack.us/photo/my-images/5/hindd2.jpg/

http://imageshack.us/photo/my-images/338/hindd3.jpg/

http://imageshack.us/photo/my-images/11/hindd4.jpg/

http://imageshack.us/photo/my-images/839/hindd.jpg/

http://imageshack.us/photo/my-images/833/rocketcar.jpg/

[Horus]

Read this topic and see if help you http://forums.bistudio.com/showthread.php?t=125008

[Wiggy59]

Read this topic and see if help you http://forums.bistudio.com/showthread.php?t=125008

Thanks, that is exactly what's going on in my brother's game. As you Can imagine, it's extremely annoying to the extent it inhibits gameplay.

Appreciate the help, he does have a switchable graphics and we're just sorting it out now