Strange OpenGL and Powerdesk problem

[Default]

Hi everyone, Ive owned my G400 SH for about a year now, and had it working fine for many months.

To make a long story short, I happened upon a deal where I traded my G400 SH for a G400 MAX.

After installing the MAX, I simply re-installed the card with the same Powerdesk Beta 6 I used with my SH, and everything worked just fine...Powerdesk loaded fine, and OpenGL worked like a charm.

Somewhere along the last few weeks it screwed up.

I remember I made a change under the Powerdesk properties so that Powerdesk would NOT load, I was trying to stop it from loading on startup so I could use Powerstrip instead like always.

Heres the problem: after I set this, whenever I went under Display Properties, Advanced, there was NO Powerdesk stuff there. Nothing. Not even loading Pwerdesk manually with the Pdesk.exe worked (it says no supported display drivers are loaded).

Worst of all, now my OpenGL modes do not work, but D3D still does.

I tried using the uninstaller and installed the 6.01 Betas, but I get the exact same errors. Powerdesk is nowhere to be found, and OpenGL modes still crash.

Does anyone know anything about this problem? Is there a registry key I set that doesnt get removed by Matrox's uninstaller? Im about ready to give up and reformat at this point, but Id like to avoid that if possible.

Oh yeah, side note

I used to be MadCat before the great hack attack made that name inaccessable, and Ant never answered my emails...so Kruzin or any moderator, let me know if you can help with that.

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[Oleg V. Kuzmin]

Try to change the driver not with the help Setup, and through to regenerate the driver in System > > > G400

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[ayoub_ibrahim]

don't know if this may help but is powerdesk still listed in your msconfig startup.if yes then check it to resume at startup.

[Default]

Originally posted by cking4@ford.com:
All that you should have to do is uncheck the appropriate box under the "startup"
tab when you launch Run --> msconfig to keep PD from loading when the system boots.
That's all I've ever had to do here.

Thats what Ive been doing for months now and it worked fine, but after I installed the new
card I had to re-disable the Powerdesk load on startup. So I did that, but...

Unfortunately, I got a little curious and changed a setting under Advanced, Powerdesk config or something, it looked like it did the same thing as above. Now powerdesk DOES NOT LOAD. It used to load automatically every time I clicked on the Advanced tab under display properties. Now when I click on the Advanced tab, I see nothing but the windows default tabs; no Matrox-specific, DualHead OR Powerdesk tabs.

Its even enabled under my startup programs, and it still doesnt run. I try to run it manually (Pdesk.exe) and it says Powerdesk doesnt support any display drivers currently installed.

And I also get no supported OpenGL. Halflife, Quake III, GL Quake, they all crash. Halflife reports that my video drivers do not support this OpenGL rendering mode. But I can switch to Direct3D and it works fine. All of these games worked fine, both with the G400 SH and the G400 MAX. But they stopped working after I changed that one stupid setting.

Anybody have any idea what setting I changed? I know it had something to do with not loading Powerdesk, but Im not sure which one it was (and for obvious reasons, I can no longer find it). Im hoping its just a registry key setting that can be changed.




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[Bursar]

I had a slightly similar problem in Windows 2000.

I had the last 5.x beta drivers installed, and everything was running fine, however, after installing the latest certified drivers, Windows would not go higher than 640x480. A reinstall of the Matrox drivers basically said "You don't have a G400 card."

I'd done some registry tweaking, but seeing as the system had been running fine for months, I didn't think it was too serious. Apparently it was.

To cut a long story short, I pulled the G400, put in an ATI card and configured that. I then removed the ATI, and the G400 installed flawlessly.

If you can, give that a go. It might just help reset any settings that have got fried.

[Jorden]

Hold on, Default. Let's recap. You just switched your G400 SH for the G400 Max, without uninstalling the card from Windows? You might want to check what your IRQs are saying at this moment, if there's another G400 (ghost) roaming around in there.

But the best and first thing to do is, after you uninstalled the drivers again, reboot and go into safe-mode Windows (Hold CTRL while booting, or press F8 until you see the start-up menu, then choose Windows Safe-Mode to boot), go into the Device Manager and check for the G400 SH. Remove it from the list (delete it). You might want to delete the G400 Max from the list as well, then quit device manager and reboot into normal Windows, let it detect the G400 Max in the normal way and install the PD 6 drivers again

If that doesn't work, let me know.

Jord.

[Default]

I got it working. Ran the uninstaller, then scoured my registry for matrox and powerdesk keys. Then I deleted all the powerdesk files (PD*) STILL sitting there in the windows/system directory (so much for an uninstaller).

Then I reinstalled the beta 6 drivers and Powerdesk. Everything works dandy now, thanks for your help.

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