Dell 4600C Runaway Fan

By Northvillian
Apr 6, 2010
  1. My 4600C had its first and only thermal shutdown yesterday. Since the event, the computer boots and operates, but the cooling fan runs full speed all the time, regardless of the CPU load. To address the issue I have cleaned all the heat sinks, and re-potted them with new thermal compound, verified that both fans in the unit are turning and moving air, and updated the BIOS. None of this has solved the problem. It’s as if the event has set a code somewhere in the machine which commands the fan to run full speed. Any ideas on how I might solve the problem?

    P.S. The Dell tech chat says the fan needs to be replaced; but this makes no sense to me.
  2. Ididmyc600

    Ididmyc600 TechSpot Chancellor Posts: 1,415


    do a google for a prog called I8KFanGUI.
  3. Northvillian

    Northvillian TS Rookie Topic Starter

    Thanks for the tip, however the I8KFanGUI appears to be designed more for laptops than desktops. I couldn't get it to work. The program indicated it was unable to read temperatures or fan speeds. Do you know if there is a desktop version?
  4. Archean

    Archean TechSpot Paladin Posts: 5,682   +86

    Well I am unable to find any utility from dell's download page which can solve the issue. However, its a wild guess may be Intel's Desktop Utility (very unsure about it, but you may try to find some older version for your chipset board) or motherboard monitor can help?
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