Processor · critical

How to fix0x0000009C

MACHINE_CHECK_EXCEPTION (0x9C)

What this error means

0x0000009C shows up as a critical-severity processor (CPU) fault. A Machine Check Exception (MCE) is a hardware error detected by the CPU itself, indicating a fatal hardware failure. Commonly caused by hardware overheating, unstable overclocking multipliers, incorrect CPU core voltages, or failing motherboard power regulators. Follow the steps below to fix it.

Before you begin

Save open work and back up important files. Note any recent driver or hardware changes. If Windows cannot start, use the startup guide first.

Work through these checks

0 of 4 complete
01Reset BIOS multiplier and voltages to stock

Reset BIOS multiplier and voltages to stock.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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02Monitor thermal temps and replace thermal paste

Monitor thermal temps and replace thermal paste.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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03Test with a different high-quality power supply

Test with a different high-quality power supply.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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04Inspect motherboard for bulged VRM capacitors

Inspect motherboard for bulged VRM capacitors.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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Possible causes

  • CPU core degradation or overheating
  • Unstable CPU core voltage offsets
  • Motherboard VRM power delivery failure
  • Insufficient power supply unit (PSU) wattage

Useful Windows tools

These commands open Windows tools. Review any action inside the tool before applying changes.

eventvwr.msc