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The power supply is ok but if i turn on the motherboard the cpu fan spins only once then it will dead... may be because of the jumper settings so pls. help me?

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  • Master
  • 433 Answers

Hi jefrel castillov:
I make this video for you wish i help

Posted on Jan 16, 2013

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Posted on Jan 02, 2017

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rajivdigital
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SOURCE: CPU fan not turning with ATX 12V connector plugged in

u also tell which company motherboard u install.when u pulgged it got earthing . I face this problem with ASUS + AMD kit . This problem solve by doing proper earthing at 100 feet depth.

Posted on Jan 09, 2008

SOURCE: Motherboard ABIT KN8

I just lost my fourth KN8 motherboard and it always seems to take out the power supply unfortuneately. One I returned for the 3 year warranty and as a replacement it worked less than a month. These were on 3 different machines(cases and power supplies of various suppliers) so the mother board is the fault.

Will be hesitant to use ASUS boards again even though this may be isolated to this board only.

Posted on Feb 05, 2008

melnavz
  • 1226 Answers

SOURCE: MSI 845GE MAX L MOTHERBOARD JUMPER SETTINGS

Hello!

If the motherboard is new or you never set any jumper setting or you did not interfere any connection seeting their then you yo did not need jumper setting to seat the CPU.

The CPU you are going to use is very compatible in your mainboard so do not worry about the setting.

more about your setting click here for the usermanual of your board.

hope this help, melnavz

Posted on Feb 26, 2008

map9966
  • 2351 Answers

SOURCE: Intel D865PERLL Motherboard will not power up

Hi nkda2000, this is as close as I could find for power schematics. Intel D865PERL
http://support.intel.com/support/motherboards/desktop/D865PERL/sb/CS-027143.htm

(There is no Intel D865PERLL board). Sure it's a typo. Have done searches for D865PERLL & found it (Not on Intle's web site) but when looking at the specs it's listed as D865PERL. (One L ) not two.

I hope the Technical Product Specification pdf can help you check the power on the motherboard.

Luck!

Mike

Posted on May 08, 2008

  • 25 Answers

SOURCE: Power supply Ok.But CPU fans started with seconds It's stop.

sounds to me like your mainboard is bad, i bet if you closely inspect the capacitors around the cpu one or more is bulged out or leaking

Posted on Feb 15, 2009

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Show all solution to d945plrn motherboard problem not powering up


PSU IS OK? You're sure? You tested the 3 main voltages coming out?

DON'T rely on; "The LED lights are on, and the fans spin, so therefore the PSU must be good.

1) If ALL the LED lights were on at once, they would use less than 1 Watt of power.

2) EACH fan uses 2 to 3 Watts of power.

3) A typical Processor uses 51 to 125 Watts of power.

With a Power Supply that has a weak voltage power rail, you will see LED's light, and fans spin; BUT not enough power to turn the Processor on.

Power Supply also needs to be plugged into motherboard to test, because you need a Load on the Power Supply.

PSU is KNOWN to be good? I mean KNOWN.
Not, "It's brand new so I know it has to be good"
Okay, moving on.

CPU OK?
How did you test it? Install on another working motherboard?

Are the Electrolytic Capacitors on the motherboard good?

http://capacitorlab.com/visible-failures/index.htm

http://www.youtube.com/watch?v=Lut7MX5Dd_A

Capacitors on the motherboard are used as Filters, and Voltage Regulators.
The ones used as Voltage Regulators are in the Motherboard Voltage Regulator Circuit,

http://www.hardwaresecrets.com/article/616

Part of what the Motherboard Voltage Regulator Circuit does, is to regulate voltage for the Processor. (CPU)

The CPU MUST have a steady, 'clean', supply of voltage, and it MUST be kept within the Processor's voltage tolerance range.
Too much, or too little, and the CPU shuts off. BIOS turns it off.

(CPU stands for Central Processing Unit. Another term used is Microprocessor, or simply Processor for short.
I know you are aware, just posting for all those who read the solution in the future)

http://downloadmirror.intel.com/15140/eng/D945PLRN_ProductGuide02_English.pdf

[Better motherboard due to the Intel Q965 motherboard chipset,

http://www.ebay.com/itm/INTEL-DQ965GF-CORE-2-DUO-LGA775-SOCKET-P-4-MOTHERBOARD-I-O-FACEPLATE-INCLUDED-/290863623024?_trksid=p2047675.m1850&_trkparms=aid%3D222002%26algo%3DSIC.FIT%26ao%3D1%26asc%3D11%26meid%3D5685984037376928917%26pid%3D100011%26prg%3D1005%26rk%3D1%26sd%3D330632928551%26

http://en.wikipedia.org/wiki/List_of_intel_chipsets#Core_2_chipsets

Scroll down to Q965 in left column ]

For additional questions please post in a Comment.

Regards,
joecoolvette

Feb 18, 2013 | Intel D945PLRN Motherboard

5 Answers

No display ASUS P4P800-VM Motherboard


Check the memory and the power supply fan is spinning if not that means you have a problem with your motherboard. If the power supply is spinning monitor if you hear a beep if there is a beep that means you have a problem in your motherboard. Check also the CPU fan if spinning, if spinning in a second then stop you have a problem with your processor

Oct 10, 2011 | ASUS P4P800-VM Motherboard

1 Answer

Hello, I have compaq presario SR2020NX. One morning it was simply dead. No lights, fans. nothing. Power supply and on off sqitch ok. Is motherboard the next check?


No lights and fans ? then how du u can say that power supply is ok. Is the fan inside the SMPS spinning ? if yes, remove the cpu cab. remove 24 pin power supply cables and 4 pin 12 v supply from the motherboard and re attached them. and try.

Jan 30, 2010 | HP Compaq Presario SR2020NX PC Desktop

2 Answers

CPU fan turns for a few seconds and stops, pc will not turn on. Have tried a good PSU, same issue. Removed all connection to motherboard apart from 20 pin, 4 pin power + cpu fan and PW switch: same issue.


1. First of all Remove dust from your CPU fan and try again if issue has been not resolve

2. Second test your SMPS by the help of Green & Red wire. In case fan is turning properly it mines your SMPS is ok

3. Third & last kindly replace your SMPS For the same.

Nov 19, 2009 | HP Pavilion a1120n (PX759AA) PC Desktop

1 Answer

System will not start up. Cpu fan spins once, then nothing.


It is more than likely that when your old power supply died a death, it damaged some components on the motherboard. Replace the Motherboard and chip, and you should be back in business. You can pick up some good value bundles to save money on buying the parts seperately. The power supply working again after turning off and on, is because there is a little trip in the power supply that triggers when it detects a fault. Powering down resets that trip allowing it to try and work again.

Mar 05, 2009 | MSI K7N2 DELTA2-FSR NVIDIA nFORCE2 ULTRA...

1 Answer

Mothrnoard


First thing to check here is the connection make sure everything is still properly connected, if after checking it and still no light it only means the motherboard is dead and already needs a replacement, because if the power supply is bad the fan shouldn't spin if its the problem...

Hope that helps...............

Sep 17, 2008 | Asrock P4i65GV Motherboard

2 Answers

Asrock P4i65G Motherboard


If the CPU is dead the problems can be
  1. no power
  2. no fans etc or
  3. power, no beeps (errors)
If the Ram is not compatible it would be constant beeping.

With the board in, and power supply 20pin + 4pin Pent 4 power attached,(#2 and #7 of motherboard layout) remove power cord from power supply.
CLRCMOS0 allows you to clear the data in CMOS. The data in CMOS includes
system setup information such as system password, date, time, and system
setup parameters. To clear and reset the system parameters to default setup,
please turn off the computer and unplug the power cord from the power
supply. After waiting for 15 seconds, use a jumper cap to short 2 pins on
CLRCMOS0 for 5 seconds. Remove the jumper. Remove heatsink and fan from CPU. disconnect cpu and reseat it. Re-install heatsink and fan. Plug in the power cord. Try to boot up. If it still does not boot and (no power, no fans etc.) problem would then be cpu is fried.



Jun 02, 2008 | Computers & Internet

3 Answers

Cpu fan wont come on after new power supply put in


what made you change the power supply to begin with? Most cpu fans run off the motherboard, but the motherboard initially gets all voltages from the Power supply to begin wth. Did you assume that because cpu fan wasn't running to begin with, that the original power supply was bad. Not a bad assumption but one that needed verification before changing out a power supply. So it seems at this point that you have an unverified bad power supply, a possible bad motherboard, and a known good cpu fan. Plus at ths point you really don't know of the new power supply is good yet until you see something electrical run with it.

Feb 27, 2008 | Intel Motherboard

2 Answers

P4S5MG/GL+ MOTHERBOARD


Sounds like a heat issue, is the CPU fan spinning?

Are any of the capacitors swollen?

Oct 12, 2007 | EliteGroup P4S5MG/GL+ Motherboard

2 Answers

Asrock dual core 775 vsta motherboard


Since the only thing connected is the power suppy and the CPU, this is often caused by a power supply unable to provide the power to the MB. You will need to swap out the power supply and that should take care of the problem.

Jun 22, 2007 | Asrock 775Dual-915GL Motherboard

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