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Motherboard dv7 when I press the power , the fan start for 3 second then stop but the light still on and the CPU heat increasing and the numlk and caps lock led start blinking and I have black screen from the beginning

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  • Master
  • 2,226 Answers

You need a better heatsink fan

Posted on Apr 13, 2014

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Posted on Jan 02, 2017

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  • 624 Answers

SOURCE: Blinking Power LED ... no other action

Hi switchblade, Some of this will seem basic or even a rehash of what you?ve already done but please keep an open mind. The one thing I?ve learned over the years is never assume anything especially when things aren?t working like they?re supposed to. -The first thing I would do is to check each screw, card, connector and component you installed to make sure nothings being shorted out or is improperly connected. Common occurrences are screws touching capacitor or other component leads. -Check the power connectors to make sure everything is connected correctly and that all the contacts are still mounted in the plastic connector correctly. -Check the output on your power supply and verify it?s rated for your motherboard. It?s possible that whatever caused them to replace the motherboard could have been caused by a defective power supply or vice versa. -Make sure the motherboard is correctly grounded to the chassis per your instructions. Typically the mounting screws touch a grounding plane on the motherboard and in turn ground that to the chassis. If your using plastic mounting studs that might be a problem. -Verify the power switch is working correctly. -Make this as basic a machine as possible: remove and add in cards (except primary video card), remove all USB components, reduce the size of your memory (RAM) and if you have multiple hard drives remove all except your boot drive. -Try a more basic known good video card, a PCI if you have one. -Again whatever problem caused MSI to warranty replace your motherboard could have damaged your processor or memory. I would have expected a beep code but if you?ve gotten this far without resolving your problem we?re running out of possibilities. -If nothing changes can you tell us some more about the status of the computer or what led up to this? Did you just build it; just install a new part, power problems, anything? Let us know what you turn up and please don?t forget to rate the posting.

Posted on Jan 08, 2007

map9966
  • 2351 Answers

SOURCE: asus 945 motherboard is in stand by mode

Hi kausik, that green led you see on the motherboard is just letting you know there is power to the board. (This is normal).
You'r CPU fan jerking & stopping is a bad thing & has nothing to do with standby mode. Your CPU fan needs to be replaced.
There are a bunch of Asus 945 boards, just click the link to see.
http://support.asus.com/download/download.aspx?SLanguage=en-us
If you are able to remove the fan from the heatsink than you may be able to buy a fan from here.
http://www.tigerdirect.com/applications/category/category_tlc.asp?CatId=99&name=Cooling-Products
Most people replace both heat sink & fan.

Have more questions, feel free to ask.
Good Luck!
Mike

Posted on Apr 18, 2008

nai6378
  • 58 Answers

SOURCE: AUS A7N8X -X Mother board AMDAthlon 27648 CPU No picture

if this is a built sustem out of the box with old monitor try another monitor oddly enough some arent compatible, you can check by looking at the prong patern.

Posted on May 10, 2008

preachw996
  • 1179 Answers

SOURCE: nFORCE3-A CPU fan & LED come on, nothing else, no beep or video

If the RAM is incompatible with your board then yes it would not allow a boot. Make sure your front panel power wire is plugged into the proper spot on the motherboard and retry. If it's the RAM then you will still have the problem. If it was the wire loose or in wrong spot then it should work. Hope this helps & please remember to rate my answer. Thanks.

Posted on Dec 27, 2008

Chinthakaj
  • 416 Answers

SOURCE: screen black out, but the cpu fan is running.

it could be two reasons.
1. your RAM has a issue ( try a different ram from a friends pc)

2. your Graphics card is having an issue. ( try removing & fixing back on, if it does notwork.. either get a friends graphics card & ifix on to your pc & chk or fix your VGA card on to another PC & chk if the VGA card works. either way you will find out what wrong.

let me know the out come.

hope it works
cheers..

Posted on Mar 19, 2009

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My hp pavilion dv7-1135nr turns off with no warning when plugged in


Get a program called speedfan and try to install it before it crashes, put it in the refrigerator to extend the run time. Almico.com has the free application speedfan. that program will tell you what the temps are. You could also look at the event viewer logs to see what they say under the system tab. The bios changed when the motherboard changed. However it sounds like an overheating issue. Did you put new heatsink compound on the CPU

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Desktop computer fan is not working what is the problem, the desk start and stop after 3 seconds


check the power cable that goes from the CPU fan to the mother board. it could be lose off or broken. if broken you will need to replace fan/heat sink with a new one. if disconnected look for a place on the motherboard with 4 little pins sticking up. check to see if it says CPU fan next to them if so plug it in.typically its close to the edge of the motherboard near the CPU.

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It was just this morning when I tried to turn my pc on.. unfortunately it did not. ! when i press the power button on cpu it turns on for a few second like one or two but immediately after it drops the...


Try replacing the power supply - I had a similar problem that was fixed that way. If that doesn't work, it's probably the motherboard itself. The CPU is also possible - have you overclocked it or otherwise cooked it? Is the CPU cooler/fan blocked with fluff, or has the fan been slow (or stopped) - noisy fan is a sign of bearing stiffness/partial seizure which slows the fan and lets the CPU get too hot. If the CPU is fried, you get the symptoms you describe (MB won't start the PS)

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Pavilion dv7 starts up then shuts down. If I remove the power cord and plug it in right away I get nothing. No light at dc jack or on the front of the laptop. If I wait a wile I some times can get the...


This sounds like you have a bad DC jack on your motherboard. This is one of the most common problems with laptops and can be caused by jarring the DC plug in or hitting it into something or simply from normal use. As a result the pins on the DC jack become loose and consequently do not provide a charge to the laptop and battery. Wiggling the plug can make the loose pins contact sometimes which would explain why it "sometimes" works when you unplug it and plug it back in. Of course if this is the case then your battery is mostly out of power and that is why it powers off after a couple seconds. This repair costs between $150-300 from a professional repair shop and I would not recommend trying it yourself unless you've had experience soldering DC jacks
Another issue could be the CPU fan/heat skin if this is failing or the CPU is overheating the laptop will power off.
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1 Answer

GA-EP35-DS4 motherboard does not load


is it in warranty..?? if not..
do it if u r a professional..

check the following:
1) the cmos battery (above +3v)..replace with a standby n see..
2) remove/clean dust neatly..dust is non-uniform in nature n may cause jam/short circuitry/excess resistace n many more..resulting an increase in heat..
3) open the CPU Heat-Sink with fan out of the socket..put some "Heat Sink Compound" (available in local electronics chip level spare market) between the cpu/processor and the CPU Heat Sink *** fan..resit/fit it tightly in position..
4) the smps itself may b defective/faulty..check the outputs of smps viz. 0v (black~ground); +12v (yellow); +5v (red, green~ps-on, violet~pg & grey~sb); -12v (blue); -5v(white); +3.3v(orange)..
the 'oscillator and error amplifier ic', or pwm switching regulator circuit..look for defective protector-transformer/resistance(esp 4.7k)/mosfet..
5) ur main/mother board..see with a debug card for mb error..may b short..look for defective capacitors(esp above 1000mfd)/mosfets..go through the mb's south bridge n the circuit lie around atx connector....

..plz give higher priority to step3 & 4 (as listed above) CAREFULLY..

immediately contact ur system admin/vendor....

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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

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Problem Regarding Booting


due to the increase in temperature inside the cpu for the protection of the motherboard and components it might not be getting started ..

this happens if the processor fan is not running properly or if it stucked due to some dust or obstacles ...

try cleaning it after separating heat sink and processor ....

after refitting the processor trying booting it should work ....

if needed replace the processor fan ..

regards
-Dileep

Nov 27, 2008 | Intel D845HV (735858149143) Motherboard

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