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How to Troubleshoot and Fix atikmdag.sys Blue Screen Error on HP EliteBook 745 G2

The atikmdag.sys file is associated with the ATI Radeon Family of graphics processing units. It is a critical system file that helps your computer's graphics card communicate with the operating system. However, sometimes this file can cause a Blue Screen of Death (BSOD) error, particularly on devices like the HP EliteBook 745 G2. This article will guide you through the steps to troubleshoot and fix this issue in a Windows environment.

Understanding the atikmdag.sys Error

The atikmdag.sys error usually occurs due to outdated or corrupt graphics drivers, hardware conflicts, or system file corruption. Here are several methods to resolve this issue:

Step-by-Step Solutions

  1. Update Graphics Drivers

    Outdated or corrupt graphics drivers are a common cause of the atikmdag.sys error. Follow these steps to update your drivers:

    • Press Windows + X and select "Device Manager."
    • Expand the "Display adapters" section.
    • Right-click on your ATI graphics driver and select "Update driver."
    • Choose "Search automatically for updated driver software" and follow the on-screen instructions.
  2. Rollback Graphics Drivers

    If the error started after a recent driver update, rolling back to a previous version might resolve the issue:

    • Open "Device Manager" again.
    • Right-click on your ATI graphics driver and select "Properties."
    • Go to the "Driver" tab and click on "Roll Back Driver."
  3. Run System File Checker (SFC) and DISM

    Corrupted system files can also cause BSOD errors. Use the SFC and DISM tools to repair them:

    • Open Command Prompt as an administrator by typing cmd in the search bar, right-clicking on "Command Prompt," and selecting "Run as administrator."
    • Type sfc /scannow and press Enter. This will scan and repair corrupted system files.
    • After the SFC scan is complete, type the following commands one by one and press Enter after each:
      DISM /Online /Cleanup-Image /ScanHealth
      DISM /Online /Cleanup-Image /RestoreHealth
  4. Check for Windows Updates

    Ensure your Windows operating system is up to date, as updates can fix bugs and improve system stability:

    • Go to "Settings" > "Update & Security" > "Windows Update."
    • Click on "Check for updates" and install any available updates.
  5. Perform a Clean Boot

    A clean boot can help identify if background programs are interfering with your system:

    • Press Windows + R, type msconfig, and press Enter.
    • In the "System Configuration" window, go to the "Services" tab, check "Hide all Microsoft services," and click "Disable all."
    • Go to the "Startup" tab and click "Open Task Manager."
    • Disable all startup items and restart your computer.

Conclusion

By following these steps, you should be able to resolve the atikmdag.sys blue screen error on your HP EliteBook 745 G2. If the problem persists, consider seeking professional assistance, as it might indicate a deeper hardware issue.

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