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Each time I try to start the game, I get the message: "Error 165: D3D Devices do not support backbuffer bit-depth ans HW acceleration".

I have a NVIDIA Geforce2 graphic card and just downloaded the latest drivers. Acceleration is activated to the maximum, I really cannot figure out what causes the error.

Any ideas?
Thanks
Bill

wow.....

hmmm........

I'd say.......

It must suck to be you

billy777,Hmm, I am not sure. I have you contacted Nvida?

Delta Commander, Whats the point of posting rubish?

I used Darkbasic to develop a commercial game "Last Half of Darkness."

http://www.lasthalfofdarkness.com/ordergame_content.htm

2 of my customers have told me about recieving this error - im not sure if there is a way in darkbasic to fix this or if this is an incompatibilty with that particular nvidia card?

Thanks
Bill

I'm sorry about my earlier post.

I believe that there is an incompatibility with your graphics card. I also believe that you may have the screen resolution set too deep for your computer judging from the "bit-depth" part fo it.

BWAHAHA! Oh, n00b award of the year you win, my child, if only for the wording.

Anyway, the error basically means that DBC couldn't create it's backbuffer (working area) at that resolution, whether due to lack of video memory (unlikely on a GF2 TBH), drivers that need updating, or the card(s) merely lacking support at those resolutions for the way DBC attempts to create the BackBuffer.

If you attempt to set the screen resolution at some point in your code, then try to set it to a different resolution or leave it at DB's default (640x480 16bit). If you don't set the screen resolution, then you've got a problem as it means their cards won't run at 640x480 16bit, and you can't execute any code until DBC's started up successfully...



Okay, lead your customers through these instructions:

PART 1 :: UPGRADING DRIVERS AND THINGS
=======================

1. Make sure that the NVidia drivers haven't been updated further since you last checked - If they have, install the new versions.

2. Make sure you have the latest version of DirectX available for your operating system.
http://www.microsoft.com/directx/

3. Also, identify the companies that have your made your sound card and motherboard, and, if you can, update the drivers for them too. In some cases, this can fix problems.


DIAGNOSTICS
============

If that doesn't work, move on to these:

1. Hit Start, Click Run, and type dxdiag before clicking OK.

2. Leave dxdiag a few seconds to review your system, and if it asks to make sure your drivers have been WHQL-tested, click anything. It really doesn't matter.

3. Now, hit the Display tab, followed by 'Test Direct3D'. Run all the tests, and ask them to return the results to you.
Only the DirectX 7 and DirectX 8 test results actually matter, and they should both come back as successful.


If that doesn't work, try getting a DBPro trial, recompile your DBC code in DBPro, give them the EXE and ask them if it works now (DBPro sets itself up differently from DBC, and also lets you choose the resolution before it starts up).

If it does work .. well, get DBPro

Your 3D graphics card may have fell loose

Try pushing it in