Question about HP Pavilion a1720n PC Desktop

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Hp pavilion a1720n won't turn on

The green light in the back is flashing but it won't turn on

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  • HP Master
  • 27,725 Answers

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


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

the leads from your ((motherboard to your hard drive)) make sure they have a secure dust free connections 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 or just replace them they could be faulty ?

even something as small as an electrical extension or a faulty fan lead can cause this problem

a computer needs all of the data and electrical current to travel through every working device and to have an end to be able work properly


motherboard and a hard drive any leads between them will fail before your motherboard or your hard drive if its a flat ribbon 40 pin type IDE replace it this will be the first to fail check all electrical extensions make sure they are securely seated even the cd/dvd floppy drives need to have current go through make sure these drives are working


make sure the CPU central processing unit has thermal paste and dust free and is securely seated

make sure your computer ram modules are securely seated with no dust in sockets also Cmos battery has charge with no dust in the socket some motherboards cmos batteries are soldered in

hope this helps you

Posted on Feb 14, 2012

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Posted on Jan 02, 2017

tcshack
  • 28 Answers

SOURCE: i got hp pavilion pc

if your network cable is plugged in it will flash green .....if it won't turn on pull the plug and wait 10 seconds or more then plug in again and see if it will start .....are the fans running and no signal to monitor?

Posted on Jan 07, 2009

nyilasrobert
  • 627 Answers

SOURCE: I have an HP Pavilion a384x. It will not turn on

verify on the power suply is a switch with 2 positions 0 and 1
It must be positioned to 1
If not, the power supply could be damaged. It must be replaced

Posted on Aug 03, 2009

Combchris
  • 64 Answers

SOURCE: HP Pavilion A520N will not power up. Green light

Which light?? the network light?? Do you get anything when you press the power button if not it is most likely the power supply since the motherborad is still showing power also may be cpu!

Posted on Nov 17, 2009

Papa Ray
  • 15 Answers

SOURCE: bestec model atx 250 12z flashes green

Try these suggestions:

<a href="http://h10025.www1.hp.com/ewfrf/wc/document?docname=bph06788&cc=us&lc=en&dlc=en&product=427167&dlc=en&lang=en#bph06788_section_2" >Troubleshooting Power Supply Issues</a>

Posted on Nov 29, 2009

Cool Sam
  • 79 Answers

SOURCE: HP Pavilion a735w will not power up Green light

check the light at the rear panel of the tower ... if it is solid green then reseat the cables coming out of the smps and going to the motherboard and other device drives(Hard Drive and CD/DVD drive).... if there is no light smps might have gone bad

Posted on Feb 08, 2010

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Hello,

Please try the following:
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It's possible that switch got knock on the wrong voltage position.


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1 Answer

Suddenly my hp pavilion a1217n tower won't turn on...the green light is blinking rapidly...


are you referring to the light on the back? if so the power supply has most likely failed, mother board can also cause this issue.

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