Matias8000XD wrote: » i have that problem too,but i dont know how to fix it.
ahmedcrow wrote: » Matias8000XD wrote: » i have that problem too,but i dont know how to fix it. May be there's something like configuration to change the card but I don't know where, in DOSBOX for example there's something like that.
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May be there's something like configuration to change the card but I don't know where, in DOSBOX for example there's something like that.
you can view my post, you can find a similar "pre-awnser" to your post.
If you computer doesn't have such a GPU, there are multiple Doom source ports to choose from that support software rendering.
i just checked the specs of the DELL Optiplex 760.
http://www.dell.com/downloads/emea/products/optix/optiplex_brochure_760_atde.pdf
and it should have an ATI® RADEON® HD 3450 or HD 3470 which is capable of opengl