Make sure you have your ATi drivers updated. If you are unsure of what you are doing, make sure to have someone who has experience in modifying system files. Navigate to your C:Windows\System32\drivers (assuming Windows is installed in C: with default path). Look for atikmdag.sys and hover your mouse over it. If this driver version [...]
I’ve thought I posted this already, but I haven’t. Anyways people have reported that disabling Dreamscene (playing video in the background) will fix the problem. To disable Dreamscene: Goto appearance and personalization in Control Panel. Select Personalization. Select Desktop Background. Select any thing other than Windows Dreamscene Content. Select a background and click Ok. That [...]
In my previous solution (method 7) I’ve suggested to remove PCI cards (mainly TV Tuner cards). The problm was not the pci card itself but the external power it needed. There was a connector that I plugged in from my PCI card to the motherboard. When I removed the PCI cards, the power connector was [...]
I have a FusionHDTV 5 PCI HDTV tuner and a Pinnacle PCI HDTV tuner. I’ve removed both and the error has stopped so far. So try removing all of your PCI cards and see if the error stops. Then add the PCI cards one by one back. If the error comes back, then you’ll know [...]
Apparently after installing this hotfix, many users have experienced the dreadful atikmdag error. To uninstall: control panel -> Programs and Features -> Uninstall KB952287.
There’s a couple of hotfixes available. Some say that this has fixed it for them while others have said it does not work. Try it and post your findings!
This is a personal fix for me, so far I have received way less atikmdag messages. Basically goto your “Programs and Features” and uninstall the ati driver. Then on next reboot, Windows should automatically install the windows default nvidia drivers for your card.
Downclock your video clock speeds and/or ram speeds.
Try a different set of ram sticks in your computer.
Run memory tests overnight (Google memtest for free memory testing software). I’ve found Prime95 to be quick in finding any bad memory sticks you may have.
Turn off Aero theme (control panel -> Personalize -> Theme -> Windows Classic
Administrative tools [...]
Now if you aren’t running Windows Vista SP1 and refuse to install it, run this patch. Several users have reported that this patch fixes the issue. This patch is already included the SP1 update however.
This method is a bit more risky since it involves editing your registry so be warned!
1. Goto registry editor (start -> run -> regedit)
2. Navigate yourself to HKEY_LOCAL_MACHINESystemCurrentControlSetControlGraphicsDrivers (make sure GraphicsDrivers is highlighted).
3. Right click -> New -> DWORD (32-bit) value -> Name it: TdrDelay -> double click it -> Set it to A (hexadecimal) [...]