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If you get an IRQL_GT_ZERO_AT_SYSTEM_SERVICE Stop Error on your Windows 10/8/7 computer, then this article may interest you. When you receive such a blue screen error or shutdown code, the computer will suddenly shut down to protect against data loss. A hardware device, its driver or associated software could be the cause.
IRQL GT NULL AT SYSTEM SERVICE
There is not much information on the net and everything Microsoft says on this blue screen is :
The IRQL_GT_ZERO_AT_SYSTEM_SYSTEM_SERVICE error check has the value 0x0000004A. This indicates that a thread returns to user mode from a system call if its IRQL is still above PASSIVE_LEVEL.
If you get this error, here are some ideas I can offer you :
1] Run Windows 10 Blue Screen Troubleshooting.
2] Make sure you are using the latest version of all installed software and make sure your Windows 10 is updated.
3] Make sure all drives on your device are updated.
4] Check your system BIOS carefully. Is an update available from the system or motherboard manufacturer? If so, update the BIOS. Check BIOS documentation carefully; resetting all BIOS options to their default values can sometimes solve a problem caused by excessive optimization.
5] Run ChkDsk to check your hard disk for errors.
6] Run the Windows and Memtest86+ memory diagnostic tool to check your memory status.
7] There are advanced troubleshooting suggestions for the blue screen that you can consult.
Let’s hope something helps!