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Windows 7: BSOD playing multiple games, error IRQL_NOT_LESS_OR_EQUAL

04 Dec 2014   #1

Windows 7 Home Premium x64
BSOD playing multiple games, error IRQL_NOT_LESS_OR_EQUAL

I have been experiencing multiple crashes from a few different games. The one most prominent is Dragon Age: Origins where it crashes once it starts. I have a 50/50 crash rate on other games like Hearthstone and Smite. It only crashes when a game is being played and only when the game is being booted. Some games have never caused a BSOD like League of Legends and Fallout NV. These crashes have happened for a few years now but since this computer was a backup I really never minded it much until it became my main PC for now.

My System SpecsSystem Spec
06 Dec 2014   #2

Microsoft Community Contributor Award Recipient

Windows 10 Home 64Bit


No recent dumps.

Make sure your dump logging is enabled.
  1. Click Start, point to Settings, and then click Control Panel.
  2. Double-click System.
  3. Click the Advanced tab, and then click Settings under Startup and Recovery.
  4. Check Write an even to the system log, and Automatically restart.
  5. In the Write debugging information list, click Small memory dump (256k).

Location of Dumps:

Please uninstall Daemon Tools. It uses a driver called sptd.sys which is known to cause BSODs in Windows 7.

 SPTD Removal:

  • Uninstall the software using Add/Remove Programs.
  • Reboot the system.
  • Once the program is uninstalled, run sptd.sys uninstaller to remove the driver from your system.
  • DuplexSecure - Downloads
As an alternative, many people recommend the use of Total Mounter or Magic ISO

Revo Uninstaller:

Use Revo Uninstaller to uninstall stubborn software.

 Clean boot
Reduce items at start-up. No software except anti-virus is required plus doing this improves the time for logging into windows:
Run the System File Checker that scans the of all protected Windows 7 system files and replaces incorrect corrupted, changed/modified, or damaged versions with the correct versions if possible:
  • Click on the
  • Type CMD on Search
  • Left click and Run as Administrator
  • Type SFC /scannow
Full tutorial here:
Run Disk Check on your Hard Drive for file system errors and bad sectors on it.

 Hard Drive Diagnostics

  • Double click and open my computer.
  • Right click on desired drive and hit properties.
  • Click on tools tab and Check now.

Read complete instructions on the tutorial: Disk Check

Other Tests:

My System SpecsSystem Spec

 BSOD playing multiple games, error IRQL_NOT_LESS_OR_EQUAL

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