The Fan Speed Displays 0 RPM After Running ePSA Quick Test on Certain Latitude Laptops

Summary: Learn about the fan speed displays after running ePSA quick test on certain Latitude laptops.

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Symptoms

The processor fan spinning speed under the System Health tab may show 0 RPM after running ePSA quick test or fan test.

Affected Platforms:

  • Latitude 7290
  • Latitude 7390
  • Latitude 7390 2-in-1
  • Latitude 7490

Cause

The fan RPM detection interval takes longer than the test for processor fan.

Resolution

Run a processor and memory test with an AC adapter connected to allow the processor fan spinning for a longer time, so the spinning speed is captured correctly.

Affected Products

Latitude 7290, Latitude 7390 2-in-1, Latitude 7390, Latitude 7490
Article Properties
Article Number: 000213260
Article Type: Solution
Last Modified: 08 May 2025
Version:  3
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