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Thread: "CPU fan error" POST message

  1. #1
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    • squishy's system
      • Motherboard:
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    "CPU fan error" POST message

    After fitting my xp-120 and Silenx 120mm quiet fan, using Arctic Silver 5, I switch on my PC.

    I get the message
    "CPU fan error
    Press F1 to continue"
    just after it checked my RAM I think. I'm not a fan of things burning out, so my PC got switched straight off. Now, in the short time it was on, I did notice that the fan was spinning a little slow, or so it seemed. I checked the connections, and the fan and its connecting wire were both secure.

    The xp-120 was a bastard to get onto my Asus AV8 Deluxe mobo, so I'm thinking it might be that, but I don't feel like taking it all out again, reapplying paste etc, if it's something simpler.

    It's an AMD 64 3500+ if anyone needs to know, I've got details of anything else if needed.

    Any help on this matter would be really appreciated.

  2. #2
    Lovely chap dangel's Avatar
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    does the bios tell you the RPM of the fan? Perhaps the RPM has dropped too low and it's setting off the alarm.. OR it's just SUPPOSED to be spinning low (it's a 120mm fan after all!) and you have the bios set to alert you when the fan spins below say, 3000rpm and the fan's at 2400rpm. Did you have an 120mm fan on there before? Is it a new machine? Both might mean it's just an alert that needs to be disabled/reconfigured in the bios.
    In other words, the error might be erroneous
    Last edited by dangel; 29-09-2005 at 04:40 PM.
    System 001: Maximus VII Formula, 4790k i7, RTX 2080ti FE (incoming), 16GIG Corsair Vengence DDR3 RAM CL9, Corsair HX1000, ROG SWIFT PG278Q , SSDs, Antec 1200 case, All watercooled. [main]
    System 002: A8 3850 APU, ASUS uATX FM1A75 MB, 4GB Corsair Vengeance DDR3, Corsair psu, OCZ Agility 3, 1TB F3, Dell 2001FP 20" LCD, £7's worth of 5.1 speakers (they rock) Windows 7 x64[wife/server]
    System 003: AsRock MB, APU, 8 GIG Corsair, Silverstone HTPC case, stock cooler, GT220 1gbDDR3, WD Green 3TB, Kingston 40gb SSD, MCE Remote, Panasonic 50" LCD (87BDX) via HDMI Windows 8.1.1 (32) [media centre]
    System 004: Asus UL50AT Intel Core 2 Duo,4GB, Intel Gen 2 80GB SSD, Win 8.1.1 x64 [no justification]
    System 005: HP Proliant N40L Microserver, 4x2TB drives, fan mod, Pico PSU mod, Win7 x86 [file server]
    System 006: Dell Optiplex 9010, i7, 8gb, 128gb Samsung 830 x 2 (boot and VM drive), 1TB WD HDD, ATI something, Windows 8.1.1 x64 RTM [work]


  3. #3
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    • squishy's system
      • Motherboard:
      • ASUS AN8-SLIPremium
      • CPU:
      • AMD Athlon 64bit 3500+
      • Memory:
      • 2GB (4x512MB)
      • Storage:
      • 987.40GB over 4 drives
      • Graphics card(s):
      • nVIDIA 7800GTX
      • PSU:
      • 450W? Can't remember :>
      • Case:
      • Thermaltake Tsunami Dream BWsomethingsomething
      • Monitor(s):
      • modified 17" Iiyama
      • Internet:
      • Be* 24MBit @ 10-12MBit
    It's supposed to spin at 1,600 continuously, but you could be right, I did have some BIOS settings on my CPU fan before, when it was the stock cooler. Mainly so it slowed down, which, oddly, decreased temperature..

    I'll check now, as soon as I've put it all back in

  4. #4
    Lovely chap dangel's Avatar
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    SilenX 120mm fans can spin as low as 1200rpm - that's easily enough to set off alarms on a bios looking for a 80mm fan spinning at might higher speeds..
    System 001: Maximus VII Formula, 4790k i7, RTX 2080ti FE (incoming), 16GIG Corsair Vengence DDR3 RAM CL9, Corsair HX1000, ROG SWIFT PG278Q , SSDs, Antec 1200 case, All watercooled. [main]
    System 002: A8 3850 APU, ASUS uATX FM1A75 MB, 4GB Corsair Vengeance DDR3, Corsair psu, OCZ Agility 3, 1TB F3, Dell 2001FP 20" LCD, £7's worth of 5.1 speakers (they rock) Windows 7 x64[wife/server]
    System 003: AsRock MB, APU, 8 GIG Corsair, Silverstone HTPC case, stock cooler, GT220 1gbDDR3, WD Green 3TB, Kingston 40gb SSD, MCE Remote, Panasonic 50" LCD (87BDX) via HDMI Windows 8.1.1 (32) [media centre]
    System 004: Asus UL50AT Intel Core 2 Duo,4GB, Intel Gen 2 80GB SSD, Win 8.1.1 x64 [no justification]
    System 005: HP Proliant N40L Microserver, 4x2TB drives, fan mod, Pico PSU mod, Win7 x86 [file server]
    System 006: Dell Optiplex 9010, i7, 8gb, 128gb Samsung 830 x 2 (boot and VM drive), 1TB WD HDD, ATI something, Windows 8.1.1 x64 RTM [work]


  5. #5
    Lovely chap dangel's Avatar
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    Quote Originally Posted by squishy
    It's supposed to spin at 1,600 continuously, but you could be right, I did have some BIOS settings on my CPU fan before, when it was the stock cooler. Mainly so it slowed down, which, oddly, decreased temperature..

    I'll check now, as soon as I've put it all back in
    Ok good luck - i'd sit in the bios and look at the cpu temps - if they don't climb to silly numbers (post 60C) then all is well and it's just a low limit rpm warning set wrong. If it's not configurable then just disable the alarm.
    System 001: Maximus VII Formula, 4790k i7, RTX 2080ti FE (incoming), 16GIG Corsair Vengence DDR3 RAM CL9, Corsair HX1000, ROG SWIFT PG278Q , SSDs, Antec 1200 case, All watercooled. [main]
    System 002: A8 3850 APU, ASUS uATX FM1A75 MB, 4GB Corsair Vengeance DDR3, Corsair psu, OCZ Agility 3, 1TB F3, Dell 2001FP 20" LCD, £7's worth of 5.1 speakers (they rock) Windows 7 x64[wife/server]
    System 003: AsRock MB, APU, 8 GIG Corsair, Silverstone HTPC case, stock cooler, GT220 1gbDDR3, WD Green 3TB, Kingston 40gb SSD, MCE Remote, Panasonic 50" LCD (87BDX) via HDMI Windows 8.1.1 (32) [media centre]
    System 004: Asus UL50AT Intel Core 2 Duo,4GB, Intel Gen 2 80GB SSD, Win 8.1.1 x64 [no justification]
    System 005: HP Proliant N40L Microserver, 4x2TB drives, fan mod, Pico PSU mod, Win7 x86 [file server]
    System 006: Dell Optiplex 9010, i7, 8gb, 128gb Samsung 830 x 2 (boot and VM drive), 1TB WD HDD, ATI something, Windows 8.1.1 x64 RTM [work]


  6. #6
    Registered+
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    • squishy's system
      • Motherboard:
      • ASUS AN8-SLIPremium
      • CPU:
      • AMD Athlon 64bit 3500+
      • Memory:
      • 2GB (4x512MB)
      • Storage:
      • 987.40GB over 4 drives
      • Graphics card(s):
      • nVIDIA 7800GTX
      • PSU:
      • 450W? Can't remember :>
      • Case:
      • Thermaltake Tsunami Dream BWsomethingsomething
      • Monitor(s):
      • modified 17" Iiyama
      • Internet:
      • Be* 24MBit @ 10-12MBit
    Lol, you were right I think, gonna have to trust me when I say that at the time I went into the BIOS, the fan was spinning at about 802RPM =o heh. Now it's at around 1,220RPM and my CPU temp's still dropping at 29C .

    I disabled the setting I said I had enabled for my old cooler, but it's not done much, lol. Cheers dangel

  7. #7
    Lovely chap dangel's Avatar
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    • dangel's system
      • Motherboard:
      • See My Sig
      • CPU:
      • See My Sig
      • Memory:
      • See My Sig
      • Storage:
      • See My Sig
      • Graphics card(s):
      • See My Sig
      • PSU:
      • See My Sig
      • Case:
      • See My Sig
      • Operating System:
      • Windows 10
      • Monitor(s):
      • See My Sig
      • Internet:
      • 60mbit Sky LLU
    Cool Glad you got it sorted! It's always the simple things isn't it?
    System 001: Maximus VII Formula, 4790k i7, RTX 2080ti FE (incoming), 16GIG Corsair Vengence DDR3 RAM CL9, Corsair HX1000, ROG SWIFT PG278Q , SSDs, Antec 1200 case, All watercooled. [main]
    System 002: A8 3850 APU, ASUS uATX FM1A75 MB, 4GB Corsair Vengeance DDR3, Corsair psu, OCZ Agility 3, 1TB F3, Dell 2001FP 20" LCD, £7's worth of 5.1 speakers (they rock) Windows 7 x64[wife/server]
    System 003: AsRock MB, APU, 8 GIG Corsair, Silverstone HTPC case, stock cooler, GT220 1gbDDR3, WD Green 3TB, Kingston 40gb SSD, MCE Remote, Panasonic 50" LCD (87BDX) via HDMI Windows 8.1.1 (32) [media centre]
    System 004: Asus UL50AT Intel Core 2 Duo,4GB, Intel Gen 2 80GB SSD, Win 8.1.1 x64 [no justification]
    System 005: HP Proliant N40L Microserver, 4x2TB drives, fan mod, Pico PSU mod, Win7 x86 [file server]
    System 006: Dell Optiplex 9010, i7, 8gb, 128gb Samsung 830 x 2 (boot and VM drive), 1TB WD HDD, ATI something, Windows 8.1.1 x64 RTM [work]


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