How to Fix Call of Duty: Black Ops 7 Causing Full System Restarts

Experiencing a full system restart while playing Call of Duty: Black Ops 7 is a severe issue that points to a significant system-level conflict. Unlike a simple game crash, this often indicates a problem with a core Windows security feature. Here is the primary and most effective solution to resolve this problem.
Primary Fix: Disable Memory Integrity
The most common cause for Black Ops 7 forcing a complete system reboot is a conflict with the “Memory Integrity” security feature in Windows. This feature, while beneficial for security, can interfere with the game’s anti-cheat software or drivers.
Here is how to disable it:
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Open the Windows Security app. You can search for it in the Start Menu.
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Click on Device Security.
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Under “Core isolation,” click on Core isolation details.
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Toggle the switch for Memory Integrity to Off.
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Restart your computer for the change to take effect.
After restarting, launch Black Ops 7 to see if the issue is resolved.
Secondary Step: Update Your Graphics Drivers
If the problem persists, ensure your graphics drivers are completely up-to-date. Outdated or corrupted drivers are a frequent cause of system instability in demanding games.
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For NVIDIA users: Update through the GeForce Experience app or directly from the NVIDIA website.
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For AMD users: Update using the AMD Adrenalin software or from the AMD website.
Using this method to disable Memory Integrity has proven to be the most reliable solution for stopping the full system reboots associated with Black Ops 7.