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October 16th, 2017 13:00
Random freezing with full speed CPU fan for few seconds
I encounter this at least 1 to 2 times in a day. Just did not get around to reporting it.
I am seeing a funny behavior with my Alienware 15 R2 where after using it for some time, it suddenly freezes for 2 to 3 seconds and the CPU Fan start rotating at full speed and then everything returns to normal.
When frozen, the mouse does not respond, keyboard does not react, etc.
This happens for just a few seconds and always the CPU FAN start rotating at full speed (based on noise it makes). Even if laptop is idle and nothing is being done, this happens.
Is there something wrong with my CPU Fan or is this some kind of programmed test running in the background that I am not aware off.
Alienware-Eimy
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October 17th, 2017 13:00
Hi praveenvj,
Make sure the BIOS is up to date.
Try running an ePSA/Diagnostic test on the system, click here to view a Dell article that explains how to run this test. Let me know if you receive any errors.
Also try running a CPU stress test using the Support Assist tool to check how high the CPU temperature goes and if the same freezing happens. If you do not have Support Assist installed in your computer, click here for the download link. Follow the steps below to run the stress test.
Alienware-Eimy
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October 17th, 2017 14:00
But anyway, please run both tests and let me know the results. Thank you!
praveenvj
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October 17th, 2017 14:00
I do not think this is a heating issue. The fan just triggers for few seconds and then turns off / goes back to normal. It cannot cool a CPU in such short interval.
Also this seems to happen when nothing in particular is being executed on the laptop.
praveenvj
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October 17th, 2017 18:00
Ran both tests and it passed with no errors reported.
praveenvj
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October 20th, 2017 11:00
Is there a way to disable this freeze
Alienware-Eimy
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October 20th, 2017 11:00
I spoke to engineering ans looks like it is normal. They have seen it in our Alienware 15 R2s too. It's a small switch that happens when the BIOS adjusts the processor and fan profile.