System FAN error - but the fan is working, what to do?

dictum9

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I have a Sun Ultra 40 M2 running Win7 Pro 64-bit and just today it failed to boot with this error message.
I checked the obvious and all the fans are working, the main fan module with 3 fans in it and as well as the RAM fans. They are all spinning.

Any idea how to troubleshoot this? The machine displays this message then shuts down. Hitting Escape does not prevent shutdown. I have not made any configuration changes except for installing a couple of temperature apps like ControlFan but that's on the Windows 7 operating system level, this is some BIOS thing, it does not even boot up.


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Windows 7 64 bit.
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Dell E6400
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Windows 7 64 bit.
The message that would concern me most is the EEPROM Checksum Failed error. That is your Motherboard BIOS chip. It says your bios is reading either 00 or FF, which I would interpret as it is missing or reading an error.

Under normal circumstances you could go into BIOS and set your fan monitors to ignore.
 

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I have a friend that couldn't boot a HP desktop as the CPU fan was not recognized as running and it was. It was a problem on MB fan sensor. I just disabled fan monitoring on BIOS. It is working without CPU fan fail protection for years now. Not an ideal solution but the other was to replace the MB of an old computer.

In your case it seems that your BIOS is corrupted. Try to reset the BIOS (take note of its configuration).
 

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    Windows 7 HP 64i5 6600K - 800MHz to 4200MHz4+4G GSkill DDR4 3000IG - Intel 530
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    PC/Desktop
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    custom build
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    Windows 7 HP 64
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    i5 6600K - 800MHz to 4200MHz
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    GA-Z170-HD3P
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The process of setting the fan monitor to ignore is common. I have to do it when I watercool. It can't read the water pump RPMs. Some AIO coolers are the same. But, the BIOS seems to be his problem and from my reading it looks like he needs to re-flash the bios. If it is corrupted, setting defaults won't help.
 

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    ALWAYS UNDER CONSTRUCTION
    OS
    Windows 11 Pro
    CPU
    Ryzen 9 5900X
    Motherboard
    Asus X570 Crosshair Viii Hero
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    32GB G Skill DDR4-3600
    Graphics Card(s)
    EVGA RTX 3080 FTW 3 Ultra
    Sound Card
    On Board/Sennheiser PC37X Headset
    Monitor(s) Displays
    3 X Asus 27"
    Screen Resolution
    2560x1440
    Hard Drives
    2 X 1 TB NVME drives
    PSU
    EVGA 850
    Case
    Phanteks Eclipse P400A
    Cooling
    EVGA 280 AIO
    Keyboard
    Logitech G510s/ Logitech G13
    Mouse
    Logitech G502
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    24/1
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    ESET/MBAM Pro/SAS Pro
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    Chrome/ Firefox/ Edge
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    Dell 16 Plus
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    Intel Ultra 9 288V
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    32 GB LPDDR5X 8533
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    16" Mini-LED HDR600 Touch 90 Hz
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I like Steve water cool and in the bios (Asus motherboard) you can select to ignore (F-1) in the bios.
I have no knowledge of your motherboard so that is the only advice I can give.

I monitor my temps.

Jack
 

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OS
Windows 10 Pro. 64/ version 1709 Windows 7 Pro/64
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Intel i7-6800K @ 4.3
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ASUS X-99 Deluxe II
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I reset the BIOS by removing the battery for 15 minutes. That did the trick. It boots up just fine now.

I installed several temperature polling apps and they screwed up the BIOS royally, at least one of them did.

I will never install these temperature apps ever again. It was a scary moment for sure. I thought I bricked something in the BIOS/motherboard. This is an old AMD motherboard, Oracle bought Sun and course they no longer support BIOS upgrades. And when they did, it was a moot point as you had to have a support contract in place. Not cost-effective for this 10 year old piece of junk.

Mental note: Don't install random stuff off the internet.
 

My Computer My Computer

At a glance

Windows 7 64 bit.
Computer type
PC/Desktop
Computer Manufacturer/Model Number
Dell E6400
OS
Windows 7 64 bit.
Glad you got things fixed.
Good mental Note.

Many of todays programs are not designed to work with such a old system.

Happy computing

Jack
 

My Computer My Computer

At a glance

Windows 10 Pro. 64/ version 1709 Windows 7 Pr...Intel i7-6800K @ 4.3Corsair Platinum 16 gig @2400EVGA GTX 1070 OC
Computer type
PC/Desktop
Computer Manufacturer/Model Number
Home made Desktop
OS
Windows 10 Pro. 64/ version 1709 Windows 7 Pro/64
CPU
Intel i7-6800K @ 4.3
Motherboard
ASUS X-99 Deluxe II
Memory
Corsair Platinum 16 gig @2400
Graphics Card(s)
EVGA GTX 1070 OC
Monitor(s) Displays
Asus 27" LED LCD/VE278Q
Screen Resolution
1920-1080 or 1280-720 HDMI
Hard Drives
INTEL SSD 730-240 Gb Sata 3.0/
PSU
EVGA Platium 1200W
Case
Phanteks Luxe Tempered Glass 8 fans/ one radiator
Cooling
XSPC/ Water Cooled CPU
Keyboard
Das 4 Professional
Mouse
Logitech M705/MX Anywhere 2-S
Internet Speed
100 mbits
Antivirus
Microsoft Security Essentials/ Malwarebytes Premium 3.0/ SAS
Browser
I.E. 11 default/Firefox/ ISP Time Warner Cable/Spectrum
Other Info
LG BluRay Burner/
Sound system-KLipsch-THX/
Icy Dock ssd Hot Swap bays.
Open hardware monitor is a free application that doesn't need to be installed. Downloads - Open Hardware Monitor
Extract files to folder C:\Program Files (x86)\HardwareMonitor, execute the OpenHardwareMonitor.exe
It only reads the sensors. It has an option to start with windows.
 

My Computers My Computers

  • At a glance

    Windows 7 HP 64i5 6600K - 800MHz to 4200MHz4+4G GSkill DDR4 3000IG - Intel 530
    Computer type
    PC/Desktop
    Computer Manufacturer/Model Number
    custom build
    OS
    Windows 7 HP 64
    CPU
    i5 6600K - 800MHz to 4200MHz
    Motherboard
    GA-Z170-HD3P
    Memory
    4+4G GSkill DDR4 3000
    Graphics Card(s)
    IG - Intel 530
    Monitor(s) Displays
    Samsung 226BW
    Screen Resolution
    1680x1050
    Hard Drives
    (1) -1 SM951 – 128GB M.2 AHCI PCIe SSD drive for Windows 7 and Lubuntu
    (2) -1 WD SATA 3 - 1T for Data
    (3) -1 WD SATA 3 - 1T for backup
    PSU
    Thermaltake 450W TR2 gold
    Keyboard
    Old and good Chicony mechanical keyboard
    Mouse
    Logitech mX performance - 9 buttons (had to disable some)
    Internet Speed
    500Mb/s
    Browser
    Firefox 64
    Other Info
    TinyWall firewall
  • At a glance

    Windows 7 Proi7-4500U 800MHz to 3.0GHz(4+4)G DDR3 1600IG intel 4400 + NVIDIA GeForce GT 745M
    Computer type
    Laptop
    System Manufacturer/Model Number
    Asus Q550LF
    OS
    Windows 7 Pro
    CPU
    i7-4500U 800MHz to 3.0GHz
    Motherboard
    Asus Q550LF
    Memory
    (4+4)G DDR3 1600
    Graphics Card(s)
    IG intel 4400 + NVIDIA GeForce GT 745M
    Sound Card
    Realtek
    Monitor(s) Displays
    LG Display LP156WF4-SPH1
    Screen Resolution
    1920 x 1080
    Hard Drives
    BX500 120G SSD for Windows and programs +
    1T HDD for data
    Internet Speed
    500 Mb/s
    Browser
    Firefox
    Other Info
    TinyWall firewall
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