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Desktop won't turn on at all !


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8 replies to this topic

#1 fadi-sheikh

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Posted 07 April 2014 - 02:49 AM

Hello,

I have friend asked me to post his problem with his desktop

"I woke up morning and turned my PC on, but the PC won't turn on and there's no sounds or spinning fans

I opened up the case checked power using multimeter and there's power"

tried many thing and ended with the same problem


HP Pavilion



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#2 TheLowestAnimal

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Posted 08 April 2014 - 12:34 AM

Where Did He Check, As A General Trouble Shooting Thing,Did He Check Just One Spot or Multiple?



#3 beeper54

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Posted 08 April 2014 - 02:16 AM

Check the power cable from the front of the case that goes to the motherboard, they are not the strongest of connections and can come loose after a knock



#4 fadi-sheikh

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Posted 08 April 2014 - 03:34 AM

I have checked all cables and changed them nothing changed



#5 beeper54

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Posted 08 April 2014 - 07:56 AM

Is there no indication of power whatsoever (except with the multi-metre)? In that case it might be looking like a power supply issue



#6 Netghost56

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Posted 08 April 2014 - 08:43 AM

Is the socket where it's plugged into the wall working correctly?

 

I'd open the case and do a detailed check of the motherboard for signs of bad/leaking caps. If none are found then try unplugging everything from the power supply except the ATX power and CPU.

 

This includes removing the RAM sticks, unplugging the hard drive, DVD drive, and removing any add-on cards (PCI sound, modem?) Only leave the video card if there isn't an onboard video port.

 

If still no response then it's the power supply.


Edited by Netghost56, 08 April 2014 - 08:44 AM.


#7 fadi-sheikh

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Posted 09 April 2014 - 02:47 PM

I have done all of these RAMs are working hard drive woks

 

I plugged the computer on different outlets



#8 JohnC_21

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Posted 09 April 2014 - 03:41 PM

Try the following. Unplug and power cable. Hold the power button down for 30 seconds. Attach the power cable and try to boot. Sometimes clearing the current from the capacitors helps. Even if the PSU checks okay with a multimeter, it may be failing when under load.

#9 fadi-sheikh

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Posted 09 April 2014 - 06:14 PM

Try the following. Unplug and power cable. Hold the power button down for 30 seconds. Attach the power cable and try to boot. Sometimes clearing the current from the capacitors helps. Even if the PSU checks okay with a multimeter, it may be failing when under load.

 

didn't help, but I heard a sound when I unplugged the power cord






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