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Version actuelle par : Jeff ,

Titre:

Recently, the CPU fan started running at full speed. What is wrong?

Texte:

The CPU/Video fan runs slow at startup, and gets ridiculously fast and loud after a few minutes.
I disassembled the computer to remove 3~4 years of dust on the heat pipe fins, but the problem remains.
-Is there some software that will give me access to the CPU and video chip temperatures?
+It is the nVidia logic board GPU that is running at 160 deg F. It has the CPU/GPU fan running at a full 3600 RPM. Is this in spec or am I going to need to try to re-seat the heat pipes to get a better thermal connection?

Appareil:

iMac Intel 20" EMC 2105 and 2118

Statut:

open

Contribution d'origine par : Jeff ,

Titre:

Recently, the CPU fan started running at full speed. What is wrong?

Texte:

The CPU/Video fan runs slow at startup, and gets ridiculously fast and loud after a few minutes.

I disassembled the computer to remove 3~4 years of dust on the heat pipe fins, but the problem remains.

Is there some software that will give me access to the CPU and video chip temperatures?

Appareil:

iMac Intel 20" EMC 2105 and 2118

Statut:

open