I recently built a new PC, and everything appears to work normally at first. However, about 5–10 minutes after startup, it crashes with different blue-screen errors, including MEMORY_MANAGEMENT, SYSTEM_SERVICE_EXCEPTION, and IRQL_NOT_LESS_OR_EQUAL. I installed a fresh copy of Windows and have already tried several troubleshooting steps. The system has 16 GB of RAM currently running at its rated maximum of 3200 MHz. Could disabling XMP or lowering the memory speed help identify or solve the problem? Interestingly, the computer sometimes stays stable while downloading large files. What hardware, BIOS, or diagnostic checks should I try next?
4 Answers
Repeated memory-related stop codes can come from defective RAM, a faulty motherboard, or less commonly the CPU or its installation. Test each memory module individually, run a bootable memory test, and check whether the crashes follow one particular stick or slot. Avoid increasing voltages until the basic tests are finished; first establish whether the system is stable at default settings.
Update the motherboard BIOS and install the proper chipset and device drivers. Even with a fresh Windows installation, an outdated BIOS can cause memory compatibility problems. It would also help to know the exact CPU, motherboard, and RAM model, since 3200 MHz may be the rated speed but not always the guaranteed speed for every CPU and board combination.
The first thing to test is whether the memory profile is actually stable. Disable XMP or manually lower the RAM to a conservative speed such as 2666 MHz, then use the PC for a while. If the crashes stop, the issue is probably memory overclocking, the RAM kit, or the motherboard's memory support. Running slower is perfectly acceptable if stability returns.
More diagnostic details would narrow this down: the complete hardware specifications, the exact stop-code screens, and any critical entries in Event Viewer after a crash. Since the Windows installation is already new, driver leftovers are less likely, but BIOS settings and hardware stability are still the main suspects.
This happened to me with XMP enabled. A later BIOS update fixed the problem, and the same memory profile became stable afterward.