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I have a hp compaq presario desktop. push the power button no power. it is one year old. no light or fan. what steps do i take to figure out what is wrong

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If the unit isn't getting any power then your power supply is dead

Posted on Mar 12, 2009

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Posted on Jan 02, 2017

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1 Answer

My desktop pc will not power up when I push the power button.


Hi,
May be the smps has damaged,

Switch off the PC from main power board.
Open pc cover, now press to run the PC again.
Try to see either the heat sing fan is running or not.
If not run the fan change the smps or repair by any technician.
Contract soon for any further solution.

Or click here for details repair about SMPS

By

Nov 06, 2010 | HP Compaq Presario SR1920NX PC Desktop

1 Answer

Compaq Presario sr1550nx wont power up. Green light on power supply is blinking. What is that telling me?


Basically, I think that your power supply has gone bad if nothing at all happens when you turn it on.
To test this, disconnect the hard drive, the CD, and any other peripheral and try to start it.
All this assumes that when you push the on/off button, all you hear is yourself breathing--nothing at all from the computer.

Oct 11, 2010 | HP Compaq Presario SR1550NX (PY059AA) PC...

1 Answer

Compaq Presario SR1420nx (SR1420NXPS69AA) PC Desktop: Computer powers on, fans work and green light stea...


my gawd, how old is that, over 10y i bet.
yours listed on HP.com not supported.
a dead HDD means (its bad) or you lost 12vdc to it
that means your PSU is dead. 5vdc is ok but that is not enough.
as more are this old. common.

learn to use a voltmeter
see that HDD connector
on pin is 5vdc
other is 12vdc, if 12v is 0v, the motor can not SPIN EVER.

easy no?

Mar 07, 2017 | HP Compaq Presario SR1420nx...

1 Answer

My computer clock is running fast... I figure it's the CMOS battery because it's almost 5 years old. It's a Compaq Presario SR1503WM Desktop. Which battery should I buy?


just u will remove the Cmos battery from your computers mother board and take it.
go to shop and ask like this battery i need.

then buy and replace it..


thank u sir... All The Best...

Apr 22, 2010 | HP Compaq Presario SR1503wm PC Desktop

1 Answer

When the power button is pushed on, the power button just does a quick flash and nothing happens. nothing starts on the computer.


have you added any new equipment to the system?
Have you have bad weather?
Do you have a suppresser on the AC input
How old might this unit be?

Feb 17, 2010 | HP Compaq Presario SR2050NX PC Desktop

1 Answer

Hello, I have compaq presario SR2020NX. One morning it was simply dead. No lights, fans. nothing. Power supply and on off sqitch ok. Is motherboard the next check?


No lights and fans ? then how du u can say that power supply is ok. Is the fan inside the SMPS spinning ? if yes, remove the cpu cab. remove 24 pin power supply cables and 4 pin 12 v supply from the motherboard and re attached them. and try.

Jan 30, 2010 | HP Compaq Presario SR2020NX PC Desktop

1 Answer

Presario sr1130nx desktop, lost power, won't start up now


there is problem with u'r SMPS. repare it or change a new one

Nov 03, 2009 | HP Remanufactured Compaq Presario SR1130NX...

2 Answers

HP Compaq Presario SR1820NX will not turn on


i worked for hp and compaq it is well known issue to reslove this issue

1#turn off the computer and uplug the power cable from the computer and then hold the power button for 20 second then turn on the computer and the momment you back to desktop screen
go to download driver from hp site and here is the web site http://h10025.www1.hp.com/ewfrf/wc/softwareDownloadIndex?softwareitem=pv-43507-1&lc=en&dlc=en&cc=ca&lang=en&os=228&product=1841849 and restart the computer .

Apr 15, 2009 | HP Compaq Presario SR1820NX (ER919AA) PC...

1 Answer

Desktop Fan "surges" in and out.


Chazzl,

Probably the desktop fan, a quick way to test for sure is to stop the fan with you finger when it is making the noise.

Just place your finger lightly in the middle of the fan and check if the noise stops.
Dont leave your finger there for more than a couple of seconds and mind the blades as it does smart a bit if you catch them.

Good luck

Nick

Oct 27, 2008 | Compaq Presario 5000 PC Desktop

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