Processor · high

How to fix Activation of PROCHOT signal

Processor troubleshooting guide

What this error means

The Processor Hot (PROCHOT) signal has been activated, which causes extreme throttling, sometimes even at low temperatures.

Updated

Before you begin

Save open work and back up important files. Use instructions for your exact device and software version. If Windows cannot start, see the startup guide.

Work through these checks

0 of 3 complete
01Check actual CPU and board temperatures
  1. Check actual CPU and board temperatures
What to expect

Check whether the original symptom still occurs.

If it does not help

Continue only if this check applies to your device. Consult its manufacturer if you are unsure.

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02For laptops, try disconnecting the battery
  1. For laptops, try disconnecting the battery
What to expect

Check whether the original symptom still occurs.

If it does not help

Continue only if this check applies to your device. Consult its manufacturer if you are unsure.

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03Disable BD PROCHOT (only advanced via ThrottleStop)
  1. Disable BD PROCHOT (only advanced via ThrottleStop)
What to expect

Check whether the original symptom still occurs.

If it does not help

Continue only if this check applies to your device. Consult its manufacturer if you are unsure.

Browse related errors

Possible causes

  • Faulty temperature sensor on board
  • Defective voltage regulator (VRM)
  • For laptops – defective battery / sensor