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- 840 G9 keeps getting blue screens, even after repair

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03-16-2023 05:08 AM
Hello,
I have 10 HP 840 G9. 7 of them keep getting a blue screen. The devices have been reinstalled multiple times, the BIOS settings have been reset and reconfigured multiple times. The BIOS and drivers have been updated to the latest version using HP Image Assistant. The blue screen usually occurs at startup and almost every day. The error codes are either WHEA UNCORRECTABLE ERROR or WATCHDOG TIMEOUT. HP has already replaced the mainboard and in some cases the hard drive. All hardware tests are completed without errors. But even after "repairing" the hardware, the blue screens continue to appear. According to Event Viewer, the error code is: 0x00000124. According to my research, this occurs due to a hardware defect or outdated/corrupt drivers. But everything is up to date. Please help, I don't know where else to look.
Best regards