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Cpu not starting up....power 2 cpu from smps is ok..

Hello
i m debasish..from india bbsr orissa.
power 2 cpu from smps is ok..but cpu is not starting up..i.e the processor is not starting up....can u please tell me the the hdd led and hd reset connections in detail...

Thank You..

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  • velut_umbra May 11, 2010

    Need more data than that. Board model, for instance. Have you tried the power supply in another pc?

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  • 24 Answers

Hi most of motherboard power on pin is 6 and 8 just short these two pins once if mothernoard starts it;s giving display else check ram or smps otherwise motherboard faulty.

Posted on Oct 13, 2008

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Smps working indivudually but motherboad no disply and when i conect to board in that time smps and cpu fan also not working why


1.) Use alternative SMPS
2.) Use alternative motherboard
3.) Unplug HDD, check if BIOS screen is displayed
4.) Check if your input voltage power to the SMPS is sufficient

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MSI 845GVM-V (MS-7057-010) Motherboard cpu fan not ruuning but smps is ok when jpw1 is disconnected then fan is running but mother board is not on


Hello hare is the homepage:

http://www.msi.com/product/mb/845GVM-V.html#/?div=Manual

Try to download the manual, and check all your connections again.

Try also to renew the power supply.

Check also this site:

http://www.tomshardware.co.uk/forum/261145-13-perform-steps-posting-boot-video-problems

The jpw1 is the main power connection for power to the cpu:
So you probably have a bad power supply.

Good luck

Jan 25, 2013 | Motherboards

1 Answer

WHEN JPW1 PORT I S CONNECTED THEN MOTHER BOARD CPU FAN IS JUST ON AND OFF WHAT IS THE SOLUTION OF THAT SMPS IS OK.


Hello hare is the homepage:

http://www.msi.com/product/mb/845GVM-V.html#/?div=Manual

Try to download the manual, and check all your connections again.

Try also to renew the power supply.

Check also this site:

http://www.tomshardware.co.uk/forum/261145-13-perform-steps-posting-boot-video-problems

The jpw1 is the main power connection for power to the cpu:
So you probably have a bad power supply.

Good luck

Jan 25, 2013 | MSI 845GVM-V (MS-7057-010) Motherboard

1 Answer

My machine is not starting..CPU fan stops just after starting for 3-4 sec..I am sure that the CPU,RAM and SMPS are OK.Most probably the problem is in the MB.Kindly help me to solve the problem.I am using...


if your power supply is good and has DC output.....i have encountered a leaky capacitor at motherboard near the power supply connector socket...need to replace it esp. if it manifest bulgy appearance..it is a electrolytic type, replace w/ same value, it does affect the power to supply the MB due to fluctuation......try to test run after replacing it..have a nice day...

Feb 12, 2011 | Mercury P4VM800M7 Motherboard

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Mother board fault


NO problem about..... the mb..

its ok.. The problem may be with SMPS or motherboard...


Contact the from where you buyed your PC..

May 30, 2010 | Mercury P4VM800M7 Motherboard

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Asus p5gd2-x repair


this problem is due to of electricity spikes & SMPS

Apr 01, 2009 | ASUS P5GD2-X (610839128686) Motherboard

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PC won't wake up.


make power on,
see the SMPS fan from back side in CPU, if its not working, mean you have problem in SMPS or in power supply cable. Try another power supply, also make sure that socket on wall is right and the current is available there.

If your SMPS is working then try to hear beep from CPU after booting, there must be a ok beep, if no beep, then it means there might be problem in your CPU.

Thanks
Iqbal

Jun 19, 2008 | Gateway Motherboards

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CPU is not getting started


In SMPS 20 pin Connector please short the green and black wire with a twisterand on the smps. if the fan is rotating then the smps is ok

Jun 19, 2008 | Intel D845GVSR Motherboard

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No beep,No Display on my monitor,only CPU heatsink fan is moving


hey
there might be problem with SMPS also. I mean there is one signal comming from SMPS - Power Good
if that singal is not comming then machine shows this kind of symtoms.
To check Power Good from SMPS -
Requirements ->
a) small wire/ pin
b) Multimeter
Procedure ->
1) Disconnect all power supplies going OUT from SMPS.
2) Locate the Orange Wire , Green Wire, Blackwire
3) Now insert small pin / wire into Black + Green wire (Make them SHORT) and provide power to SMPS --> SMPS will get started.
4) Now check the Multimeter rating for Orange wire --> it should not be less / more than 3.3 - 3.6 volts. --> If it is less / more then there is problem with your SMPS and you need to get it repaired.
5) In india it will take near about 100-150 Ruppes to repair SMPS.

alternate ->
You can replace your SMPS with other working SMPS (best option will be your friends system) and check whether same symptoms occurs or not.

Other Damedge -
If SMPS is working fine then there must be problem with FEW SMDs available on your motherboard. For this repairing in INDIA it should not cost your more than 600-700/-

May 29, 2008 | ASUS K8V-MX Motherboard

5 Answers

Hp motherboard startup problem!!


hmmm my sussgestion in yourr case is that, don't attach all things at once. do the following step bye step.

Step 1). Attach SMPS (power supply to the board), Front Panel Connectio, and an in built speaker and CPU (don't add RAM, HDD, FDD, VGA Card or any thing els)

Power on and watch/Listen carefully:

Case 1: if you can hear a long beep, then your CPU and board is OK

Case 2: No beep means CPU or board is faulty. Try to Reconnect CPU again and do step 1.

Step 2) Now power off and add RAM only.

Power on and watch/Listen carefully.

Case 1: if you can hear the ok beep it means till now your RAM is Ok
otherwise clean your RAM connection and add it again.

Further you can add your VGA, HDD CD-ROM/DVD, PCI Devices etc. and easily short-out your problem.
For your help here is picture of general moherboard with connection details. 86c6af2.jpg
Thanks
Iqbal

Mar 19, 2008 | HP Compaq Motherboard

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