Question about Packard Bell (181368) Motherboard

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Pc wont boot, MCP73PVT board, i have checked the ram, processor, heat sink and psu,cmos batt and still no joy, its starts for 4 seconds and turns off, all fans come on but nothing else no beeps

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  • shamtess May 21, 2011

    i have tried all that and a new psu, all connections are secure, the power light comes on and the fans all spin, but then 4 seconds or so later it shuts off, no beeps at all no post test nothing



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Disconnect the whole board for some time, remove the processor, memory, everything from the board for about an hour. When connecting them back place the processor first and fix 24 pin from the psu (power supply) dnt fix the 5v from the psu and boot. let it run for some time and make sure you hear buzzer from the board and put it off. fix the 5v and boot again make sure the buzzer beeps now turn it off connect the other cables. hope it works for you.

Posted on Sep 17, 2012

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Test your PSU or replace it if your power supply units fan is not working your PSU is faulty

One bad lead can cause a computer to continue on a cycle or to shutdown or fail to detect/ boot up a computer hard drive

Test all leads that attach to your hard drive including electrical extensions,IDE,SATA

the leads from your "((MOTHERBOARD TO THE HARD DRIVE))" make sure they have a secure connection and are not faulty or just replace them they could be faulty
make sure all leads that are attached to your drives dvd\cd 3 1/2 inch floppy have secure connections and are not faulty even the electrical extensions or just replace them they could be faulty a computer needs its connections to continue its cycle and have an end so any faulty leads will end up with a computer error hope this helps

Posted on May 21, 2011

  • shamtess May 21, 2011

    i have tried all that and still the same, psu and cpu fans come on for about 4 seconds then shut off

  • Brian Sullivan
    Brian Sullivan May 21, 2011

    first what sort of hard drive IDE or SATA if its IDE replace the 40 pin flat ribbon lead from motherboard to hard drive
    even something as small as a faulty electrical extension or an electric fan lead can cause this problem make sure there is no dust on and in these connctions go through the troubleshooting procedure eliminating the probable causes a computer needs to continiue its cycle and to have an end to function



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My pc Shut Off Automatically after few min(5-6),when pc is in boot screen options or booting from O.S. CD"

I missed your question, anyways. as it seems there might be the reason of over heating. I would suggest just remove the heatsink apply proper heatsink paste on CPU and replace your heatsink and fan. heat must radiate properly.

Nov 28, 2011 | ASUS P5G41-M Motherboard S775 Intel G41...

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My Packard Bell ixtreme m3720, motherboard Packard Bell MCP73PVT-PM, when first turned on starts OK but after about 15 minutes the power automatically shuts off. can you identify any fault from this...

I had the same issue with this motherboard and afterchecking all of the obvious stuff, PSU, RAM etc it pointed to what I suspectedfrom the start - The Nvidia onboard GPU.
This is the same type of graphics BGA (Ball Grid Array) chip that is constantlyfailing in laptops and I have seen it fail on an ASUS PC motherboard and nowthis Packard Bell / NEC MCP73PVT-PMmotherboard too.
You can repair the laptop motherboards (albeit mostly only for a limited timebefore it fails again) by reflowing the chipset with a heat gun (£10 - £20) availablefrom most hardware stores like B&Qsparkyuiop_0.jpg.
There is plenty of info to be found via Google and YouTube by searching thewords "Reflow Nvidia GPU". It is important though that you remove theheat sink (see picture) and cover the board in tin foil, exposing only the Nvidiachip for heating.
It is also a good idea to get some liquid flux first and dribble it under theNvidia before you heat it. The most important thing to remember is once it ishot, DO NOT PUSH DOWN ON THE CHIP!! LOL! That will be Game Over....
You may also find it a good idea to heat the entire board on a concrete flatsurface once you have reflowed the GPU so that it retains its original shapeafter being pulled about by the CPU heat sink. Heat the whole board only somuch that you can still touch it with your fingers and stay away from theplastic PCI slots as much as possible.
It sounds like a right mission but it is actually pretty straight forward andcan be done in under 30 minutes. Give it a go, if you toast your board at leastyou can be safe in the knowledge there was no other cost effective way torepair it.
Just to add, mine has been on for 3 hours now and it is still running sweet. Iam using a PCIe plug in graphics card though in the theory it will take theload off the Nvidia chipset.
Good Luck!

Please rate this if it helped. Thank you.

Apr 13, 2011 | Packard Bell (181368) Motherboard

1 Answer

Biostar n68s+ motherboard with AMD x2 7850 black starts and stopsnew install no o/S installed yet. system powers on then immediately off again, no beeps, no POST, nada...have double and triple checked...

So many issues....could be the power supply mismatch, rare but it has happened. CPU could be loose, bent pin, heat sink problems, fam problems, RAM not seated properly, Ram incompatible. Recheck pin positions again. If no Beep at posting time, you have some form of disconnect, wires, heating, over powered or shorting components. All in all, the problem could be a defective MB from the start and need to replaced.

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Sir, I have a Dell optiplex GX110. At the motherboard there is a long brown slot in which a board of 4 expansion slots has been pluged. The first problem was that I had removed the heat sink from the...

When you inserted a test probe into the slot and you saw a spark, then you have short circuit a component on the motherboard and have done a major damage to the motherboard.
You need a new motherboard, most desktop cases have standard mounting holes, you may be able to purchase a motherboard from other manufacturer to fit in the Dell.

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Hi, my motherboard does not boot the second time after switching off. i need to wait for long hrs with cmos / power removed. is it a bios problem or smps problem.

remove one stick or ram at a time try to reboot ! if that fails then check your processor fan to make sure its not full of dust/lint and clean the heat sink on the processor.
it is highly possible the ram or processor can be defective

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as i think ur processor over heated. or processor can dos not work fine or heat sink not installed properly. remove heat sink, and use heat sink component (a whithe colour gel. u can buy it any computer accessories shop) use it top of ur processor then attached heat sink. and connect processor fan. before installing heat sink check processor fan. then cleare CMOS by removeing battery (because this problem also can happen wrong frequency setting in CMOS setting).

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How is your cpu cooler? Sounds like it could be a heat issue. How long before it freezes? Will it actually boot through to the operating system or freeze on start up? If it runs for a while then freezes it sure could be overheating.

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CPu fan turns for 1 second and then stops.

If all was working fine before, then, you have either not connected the cpu power cable, as is sometimes required other than being powered by the processor socket, or your power supply unit is not pentium 4 compatable and is unable to power the processor.

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