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October 15th, 2025 21:59
XPS 8950, cpu fan error automatic shutdown
When I turned the computer on, I got a CPU fan error on the PC's boot that took me to diagnostics. After about one minute of the PC being on, whether I run the diagnostics or not, it automatically shuts down. The CPU fan runs at maximum speed. Can you tell me what parts I need. I also believe it is water cooled. I may need a heatsink assembly and/or fan.
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ejn63
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October 15th, 2025 22:51
System model?
GreenGuys
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October 15th, 2025 23:17
@ejn63 it is the XPS 8960
GreenGuys
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October 15th, 2025 23:23
<private info removed>
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GreenGuys
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October 15th, 2025 23:25
We would like to order the part and install ourselves. We believe it to be the water pump. It is important to note that this all happened over a windows update. It might be out of date firmware?
redxps630
9 Legend
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14.8K Posts
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October 16th, 2025 01:23
XPS 8950 has a basic pancake air cooler and a premium tower air cooler.
Standard CPUaircooling
OptiPlex Tower Pluswith 500W Platinum Power Supply
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redxps630
9 Legend
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14.8K Posts
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October 16th, 2025 01:27
Re: got a CPU fan error on the PC's boot that took me to diagnostics. After about one minute of the PC being on, whether I run the diagnostics or not, it automatically shuts down. The CPU fan runs at maximum speed.
This is not due to a bad cpu fan b/c as OP observed the fan is able to rev at max speed. More likely due to CMOs corruption. Replace CMOs battery w a new one followed by clear CMOs (RTC reset:
hold the power button for 30 seconds.)
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