CPU fans not working

My system just turns on and off no post. I reset cmos for ha has and same.
I switch the cpu fan to sys fan connector next to the cpu 4 pinconnector and the fan spins but no post.
CPU 1 and 2 connector, no power to fan, both fans work on sys connector.
switch back to original 650 watt P/S, same results, CPU fans do not spin, system does not post.
Just quick startup and shut down.
I'm thinking the board is faulty.
I have the latest bios version, the computer was working fine last night gaming.

yes I sent the whole system in.
I did run bench on the cpu the last night.
In windows 8.1 there in the app area had system test and tested memory, cpu,hard drives
and got good scores. the next morning was another story.
I don't know if that was the reason, you would think it would of froze up before damaging it.
who knows what went bad, New problem to me and I have seen allot.
before sending the system back I had to try and bring it back to store bought condition f , my videocard was flashed so I had to reflash back to UFI, that was a trick, but I did it and sent it all back yesterday.you know me the system was upgraded, P/S , fans
Just wanted to mention that when I spoke to support at CyberPower he asked why I had used the sys fan connection rather the doogle power feed I said I liked the way the motherboard controlled the fan and in Control Center showed fans normally running at 50%. He said no they run 100% all the time. I don't think he knows what he is talking about cause I could speed the fans up in Control Cente.r The fans were running around 600 rpm (50%), not full speed. Anyway they set the systems up not using the motherboards sys feeds so I returned it that way and tested one last time and did the same on off.
So the system fan conections were fine it is the CPU fans that didn't work in either cpu1 and cpu2 connection. I had and in and out fan running but systen came with only one fan and had had upgraded to 2
Cougar CF-V12HP EP fans. They worked fine and kept the cpu cool. maybe the board couldn't supply long term.

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Hi,
CPU Cooling fan not spinning and showing error on startup saying fan not working properly.MY HP Pavilion G6 laptop's Product number: B0P25PA#ACJ and Serial number: [edited by Moderator]. I want to replace the same. Can anyone tell me which model of fan would be appropriate?
Thnks in advance.
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Hi @Psantra ,
Thank you for visiting the HP Support Forums. I'm sorry to inform you that your post has needed some editing to remove personal information such as the Serial Number in your Post. From our Rules of Participation:
Protect privacy - yours and others'. Don't share anything about yourself that you would not want to see on a road-side billboard. Don't post contact or other personal information-your own or anyone else's-or any content that you receive in one-to-one communications without the author's consent. For example, don’t post your computer’s serial # or contact information publicly, and do not allow someone you don’t know to remotely take control of your computer.
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Hello,
I have been experiencing some issues with my HP ENVY Pohenix 800-060 (running Windows 8.1) PC lately.
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Eldrscrolls, welcome to the forum.
Please check the CPU fan thoroughly before using the computer futher. If it has failed you could fry the components. I don't know if it has liquid cooling, but if so, be extremely careful.
A System Recovery is a very good idea. After updating Win 8.0 to 8.1 on my HP Split, I had several problems, such as, wireless connectivity. I did the Recovery back to Win 8.0. It solved my problems. After a few days I gave Win 8.1 another chance. It has performed admirably. If the system is overheating because the CPU fan failed this could cause your problems, also.
Please click the "Thumbs up + button" if I have helped you and click "Accept as Solution" if your problem is solved.
Signature:
HP TouchPad - 1.2 GHz; 1 GB memory; 32 GB storage; WebOS/CyanogenMod 11(Kit Kat)
HP 10 Plus; Android-Kit Kat; 1.0 GHz Allwinner A31 ARM Cortex A7 Quad Core Processor ; 2GB RAM Memory Long: 2 GB DDR3L SDRAM (1600MHz); 16GB disable eMMC 16GB v4.51
HP Omen; i7-4710QH; 8 GB memory; 256 GB San Disk SSD; Win 8.1
HP Photosmart 7520 AIO
++++++++++++++++++
**Click the Thumbs Up+ to say 'Thanks' and the 'Accept as Solution' if I have solved your problem.**
Intelligence is God given; Wisdom is the sum of our mistakes!
I am not an HP employee.

Cooling fan not work correctly

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Dear Customer,
Welcome to HP Support Forum and we are glad to assist you
It looks like you are having difficulties with regards to the Cooling Fan of your Netbook
We will surely assist you with this
According to the message you have posted I suspect this is purely a hardware issue where in your getting "System Fan(90B) - The system has detected that a cooling fan is not operating correctly" message. This is a mechanical fault and the Cooling Fan on your Notebook and needs to be replaced before the Notebook starts up with an Overheating Issue.
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I strongly recommend you to immediately Contact HP Technical Support over the Phone for further assistance without any delay to get your Netbook Fan replaced and serviced by an authorized HP Certified Engineer
You can also Check your warranty Here to verify the warranty status
Hope this helps, for any further queries reply to the post and feel free to join us again
**Click the KUDOS star on left to say Thanks**
Make it easier for other people to find solutions by marking a Reply 'Accept as Solution' if it solves your problem.
Thank You,
K N R K
Although I am an HP employee, I am speaking for myself and not for HP

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@wheng
‎Thank you for using HP Support Forum. I have brought your issue to the appropriate team within HP. They will likely request information from you in order to look up your case details or product serial number. Please look for a private message from an identified HP contact. Additionally, keep in mind not to publicly post ( serial numbers and case details).
If you are unfamiliar with the Forum's private messaging please click here to learn more.
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Sargeraspa,
Lenovo G770 has ThinkVantage System Update? I thought that is suppose to be for ThinkPad system only?
Go to the link below and Select Win 7.
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This question was solved.
View Solution.

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Hello, this is my first time here so please excuse me if I posted this in the wrong section.
First, general specs:
HP Pavilion dv6 Notebook PC
Windows 7 Home Premium 64-Bit
BIOS: InsydeH20 Version CCB.03.61.09F.21
Processor: AMD A6-3400M APU w/Radeon HD (4 cpus ~1.4GHz)
6g RAM
(If anything else is needed to help me ask, and I shall post it)
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I cannot afford to have a repairman replace or look at my laptop as of now, we have bills to pay and food to get, and I absolutely NEED this computer to function. I have work to do, and classes to sign up for, and we have no public computers for miles. Please help me!

Not every fan error is a heat error. There is a sensor that detects a bearing that is wearing out or spinning that is out of round. You can sometimes limp it along for 6 months before the fan absolutely has to be replaced. When it does you will not be able to get past the error.

Intel SpeedStep and Fan not working

Hello,
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Dokie!!
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I Love my Satellite L775D-S7222 Laptop. Some days you're the windshield, Some days you're the bug. The Computer world is crazy. If you have answers to computer problems, pass them forward.
Attachments:
Capture48.JPG ‏162 KB
Capture49.JPG ‏237 KB

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Hi,
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Only solution to that is to determine if you even need the case fan. If you do, then perhaps you can parallel the case fan with the CPU fan if its PWM, else, look at an aftermarket fan controller.
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HP pavilion dv6 fan not working

My HP PAVILIONDV6T-6100 laptop (Product no. LM720AV) is having problems with the cooling fan and overheating. I have started getting the cooling fan not functioning error at startup. When I use the laptop-the cooling fan runs almost all the time. It turns-off when I have only one application running on the laptop.
I understand that since the fan is running perfectly fine, the fan motor is still functional. Could it be dust accumulation that is causing the error and fan running continuously? Where can I get the insturctions for opening the cooling fan assembly and cleaning it? Also will I need to replace the thermal insulation after cleaning?
Thanks
Sunny

I paid $30,000 for my car but I trust the dealer to work on it because I know their mechanics do it every day. I could watch youtube videos and figure out how to do a tuneup but they will do it better. I will change my own air filter however since it is not too hard and will save money. Replacing a cooling fan is more like a tuneup than replacing an air filter. Still, you can do it if you follow the Manual and are careful. Here is the Manual:
Manual
This is the part number for your fan and heatsink:
641477-001
$63 from HP:
http://h20141.www2.hp.com/Hpparts/Search_Results.aspx?mscssid=11C544B95DEB4BC6A0D99C14917258C7&Searc...
$20 on eBay:
http://www.ebay.com/itm/New-OEM-HP-Pavilion-DV6-6000-DV7-6000-CPU-Fan-650797-001-641477-001-665309-0...
I would go ahead and run all the diagnostic tests you can access by tapping F2 and entering UEFI Diagnostics. Other than the fan what other problems are you having?
If this is "the Answer" please click "Accept as Solution" to help others find it.

Fan not working (HP pavilion dv6-6047cl Entertainment PC)bought nov 2011

hi everybody im sure we all apreciate our PC notebooks i know i do.The one problem i have is i dont trust anyone too work on my machine i payed over 1.000 dollars. I am retired now but i was a tool & die maker for over 26 yrs. i have been looking at the utubes for a while now on how to take a notebook apart.so i am wondering how much a HP replacement fan cost. i did the test dianostic for hard disk and all it says it Passed. therre are a bunch of test i only did the hard disk test should i do them all get back with me please.

I paid $30,000 for my car but I trust the dealer to work on it because I know their mechanics do it every day. I could watch youtube videos and figure out how to do a tuneup but they will do it better. I will change my own air filter however since it is not too hard and will save money. Replacing a cooling fan is more like a tuneup than replacing an air filter. Still, you can do it if you follow the Manual and are careful. Here is the Manual:
Manual
This is the part number for your fan and heatsink:
641477-001
$63 from HP:
http://h20141.www2.hp.com/Hpparts/Search_Results.aspx?mscssid=11C544B95DEB4BC6A0D99C14917258C7&Searc...
$20 on eBay:
http://www.ebay.com/itm/New-OEM-HP-Pavilion-DV6-6000-DV7-6000-CPU-Fan-650797-001-641477-001-665309-0...
I would go ahead and run all the diagnostic tests you can access by tapping F2 and entering UEFI Diagnostics. Other than the fan what other problems are you having?
If this is "the Answer" please click "Accept as Solution" to help others find it.

Eeepc 901 fan not working

Hello everyone! I installed Arch on my EeePC 901 and everything seems to run smoothly, until I noticed that the fan is not working. I did a little search on the forums, to check if someone already had to face something similar but with no success.
This is the output of pwmconfig:
# pwmconfig revision 5857 (2010-08-22)
This program will search your sensors for pulse width modulation (pwm)
controls, and test each one to see if it controls a fan on
your motherboard. Note that many motherboards do not have pwm
circuitry installed, even if your sensor chip supports pwm.
We will attempt to briefly stop each fan using the pwm controls.
The program will attempt to restore each fan to full speed
after testing. However, it is ** very important ** that you
physically verify that the fans have been to full speed
after the program has completed.
Found the following devices:
hwmon0 is acpitz
hwmon1/device is coretemp
hwmon2 is eeepc
Found the following PWM controls:
hwmon2/pwm1
Giving the fans some time to reach full speed...
Found the following fan sensors:
hwmon2/fan1_input current speed: 0 ... skipping!
There are no working fan sensors, all readings are 0.
Make sure you have a 3-wire fan connected.
You may also need to increase the fan divisors.
See doc/fan-divisors for more information.
This is the output of fancontrol:
Loading configuration from /etc/fancontrol ...
Error: Can't read configuration file
And this is the output of sensors:
Adapter: Virtual device
temp1: +62.0°C (crit = +85.0°C)
coretemp-isa-0000
Adapter: ISA adapter
Core 0: +18.0°C (crit = +90.0°C)
eeepc-isa-0000
Adapter: ISA adapter
fan1: 0 RPM
I'm pretty a newbie and I don't know what to do, is there someone who can give me some advice please?
Thanks to all.

Thank you for your answer, sorry but I can't check the forums too often...
The Wiki page about my model dosen't give any advice on this subject.
I installed the eeepc-fancontrol package, the daemon is running but the fan is still dead
Here is my modules and daemons from rc.conf:
MODULES=(rfkill acpi-cpufreq eeepc_laptop asus_eee bluetooth snd-hda-intel)
DAEMONS=(syslog-ng crond dbus acpid alsa networkmanager bluetooth sensors eeepc-fancontrol lxdm)
Here is an extract of dmesg
[ 0.000000] Initializing cgroup subsys cpuset
[ 0.000000] Initializing cgroup subsys cpu
[ 0.000000] x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106
[ 0.000000] ACPI: SSDT 3f7aeb80 004F0 (v01 PmRef CpuPm 00003000 INTL 20060113)
[ 0.000000] SMP: Allowing 2 CPUs, 0 hotplug CPUs
[ 0.000000] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:2 nr_node_ids:1
[ 0.000000] PERCPU: Embedded 13 pages/cpu @f6d28000 s31424 r0 d21824 u53248
[ 0.000000] pcpu-alloc: s31424 r0 d21824 u53248 alloc=13*4096
[ 0.000000] pcpu-alloc: [0] 0 [0] 1
[ 0.000000] Initializing CPU#0
[ 0.000000] SLUB: Genslabs=15, HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1
[ 0.000000] CPU 0 irqstacks, hard=f6408000 soft=f640a000
[ 0.003934] Initializing cgroup subsys cpuacct
[ 0.004052] CPU: Physical Processor ID: 0
[ 0.004056] CPU: Processor Core ID: 0
[ 0.004063] mce: CPU supports 5 MCE banks
[ 0.004081] CPU0: Thermal monitoring enabled (TM2)
[ 0.068794] CPU0: Intel(R) Atom(TM) CPU N270 @ 1.60GHz stepping 02
[ 0.106708] CPU 1 irqstacks, hard=f64ca000 soft=f64cc000
[ 0.006666] Initializing CPU#1
[ 0.120050] Brought up 2 CPUs
[ 0.140706] ACPI: SSDT 3f7ae180 0023C (v01 PmRef Cpu0Ist 00003000 INTL 20060113)
[ 0.141330] ACPI: SSDT (null) 0023C (v01 PmRef Cpu0Ist 00003000 INTL 20060113)
[ 0.143480] ACPI: SSDT 3f7ae450 00724 (v01 PmRef Cpu0Cst 00003001 INTL 20060113)
[ 0.144055] ACPI: SSDT (null) 00724 (v01 PmRef Cpu0Cst 00003001 INTL 20060113)
[ 0.144612] ACPI: SSDT 3f7ae0b0 000CC (v01 PmRef Cpu1Ist 00003000 INTL 20060113)
[ 0.145209] ACPI: SSDT (null) 000CC (v01 PmRef Cpu1Ist 00003000 INTL 20060113)
[ 0.145428] ACPI: SSDT 3f7ae3c0 00085 (v01 PmRef Cpu1Cst 00003000 INTL 20060113)
[ 0.146619] ACPI: SSDT (null) 00085 (v01 PmRef Cpu1Cst 00003000 INTL 20060113)
[ 0.188472] HPET: 3 timers in total, 0 timers will be used for per-cpu timer
[ 0.800625] cpuidle: using governor ladder
[ 0.800771] cpuidle: using governor menu
[ 2.353676] ACPI: Requesting acpi_cpufreq
[ 2.672731] microcode: CPU0 sig=0x106c2, pf=0x4, revision=0x212
[ 3.000420] microcode: CPU1 sig=0x106c2, pf=0x4, revision=0x212
[ 11.170288] asus_eee version 0.39a1 init sucessfully
[ 11.170304] asus_eee informs writable=1 is dangerous: think before writing, do not let your CPU burns out!
And here is the output of lsmod:
Module Size Used by
fuse 60090 2
asus_eee 8416 0
rfcomm 28281 8
bnep 7062 2
i915 388286 3
joydev 7695 0
btusb 10048 0
arc4 1118 2
i2c_algo_bit 4615 1 i915
drm_kms_helper 29171 1 i915
drm 170915 3 i915,drm_kms_helper
usbhid 31733 0
microcode 8825 0
intel_agp 8752 1 i915
intel_gtt 11229 3 i915,intel_agp
iTCO_wdt 10705 0
iTCO_vendor_support 1545 1 iTCO_wdt
serio_raw 3709 0
coretemp 4702 0
i2c_i801 7088 0
pcspkr 1455 0
psmouse 70891 0
evdev 7630 19
uas 7277 0
agpgart 21967 3 drm,intel_agp,intel_gtt
soundcore 4378 1 snd
thermal 6563 0
i2c_core 16653 8 drm,i915,i2c_i801,drm_kms_helper,i2c_algo_bit,videodev,asus_eee
hid 67113 1 usbhid
video 9883 1 i915
ac 1796 0
battery 5085 0
button 3614 1 i915
eeepc_laptop 12813 0
pci_hotplug 20534 1 eeepc_laptop
sparse_keymap 2532 1 eeepc_laptop
acpi_cpufreq 5141 0
mperf 1023 1 acpi_cpufreq
processor 23783 1 acpi_cpufreq
sd_mod 26959 5
pata_acpi 2388 0
ata_generic 2391 0
ata_piix 19608 3
uhci_hcd 19776 0
libata 146119 3 pata_acpi,ata_generic,ata_piix
scsi_mod 112541 4 uas,usb_storage,libata,sd_mod
ehci_hcd 35958 0
I purged some clearly unrelated modules, sorry if the quotes are full of useless info but I don't know what I'm looking for...

Fan not working on AMD card pwmconfig

I can run 'sensors' and the output is this (i cant feel any air coming thru my vga exhale)
atk0110-acpi-0
Adapter: ACPI interface
Vcore Voltage: +1.33 V (min = +0.85 V, max = +1.60 V)
+3.3 Voltage: +3.34 V (min = +2.97 V, max = +3.63 V)
+5 Voltage: +5.08 V (min = +4.50 V, max = +5.50 V)
+12 Voltage: +11.88 V (min = +10.20 V, max = +13.80 V)
CPU FAN Speed: 3813 RPM (min = 600 RPM, max = 7200 RPM)
CHASSIS FAN Speed: 1800 RPM (min = 600 RPM, max = 7200 RPM)
POWER FAN Speed: 0 RPM (min = 600 RPM, max = 7200 RPM)
CPU Temperature: +44.0 C (high = +60.0 C, crit = +95.0 C)
MB Temperature: +30.0 C (high = +45.0 C, crit = +75.0 C)
k10temp-pci-00c3
Adapter: PCI adapter
temp1: +46.0 C (high = +70.0 C)
(crit = +99.5 C, hyst = +97.5 C)
But the problem is, that I cant configure fan speeds, at all. Its overheating a lot because of it.
If I run as the wiki says, pwmconfig, I get
# pwmconfig revision 6166 (2013-05-01)
This program will search your sensors for pulse width modulation (pwm)
controls, and test each one to see if it controls a fan on
your motherboard. Note that many motherboards do not have pwm
circuitry installed, even if your sensor chip supports pwm.
We will attempt to briefly stop each fan using the pwm controls.
The program will attempt to restore each fan to full speed
after testing. However, it is ** very important ** that you
physically verify that the fans have been to full speed
after the program has completed.
/usr/bin/pwmconfig: There are no pwm-capable sensor modules installed
I dont know what to do, I saw something about editing grub (and I tried it, and didnt work, also saw that is quite dangereous to do) but I find it odd that Its not detecting my AMD 6950 card. I also ran sensors-detect ,and they loaded 2 modules :
Just press ENTER to continue:
Driver `k10temp' (autoloaded):
* Chip `AMD Family 10h thermal sensors' (confidence: 9)
Driver `it87':
* ISA bus, address 0x290
Chip `ITE IT8721F/IT8758E Super IO Sensors' (confidence: 9)
Do you want to generate /etc/conf.d/lm_sensors? (YES/no): YES
ln -s '/usr/lib/systemd/system/lm_sensors.service' '/etc/systemd/system/multi-user.target.wants/lm_sensors.service'
Unloading cpuid... OK
Im using propietary drivers, which they have a far better performance in my opinion.
Thanks

Find a can of compressed air or an air compressor and a paperclip. Bend out the paperclip and stick it in the fan grille to hold the fan from spinning wildly and possibly getting damaged. Blow in the compressed air and see if there is a blockage that can be blown out. It works every now and then. Otherwise the computer needs serious service.

CPU fans not working

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