Question about HP Pavilion a705w PC Desktop

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I need to change my power supply in my HP Pavilion a705w, and the screws are on the back, the 4 main to the supply, but I'm on the other side of the power supply and I can't get in there to change it. How do I open it?

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There should be at least 4 more larger screws, maybe even "thumb screws", that will have to be removed as well. These screws hold the sides of the case on. Try removing those and sliding the sides back to open up the case

Posted on Jul 19, 2010

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Posted on Jan 02, 2017

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1 Answer

How do i change a power supply for hp slimline ?


There are three or four screws at the back of the system at the left side (as you face the back), remove them. Remove the top of the case. Disconnect the power cables from the power supply to the main circuit board (there may be two, but often just one 20 to 24 pin one, the second cable being 4 pin square for the CPU). Disconnect the power to the optical drive and to the hard drive. Slide the power supply toward the front of the system about 1/2 inch and pull up. Note, on some models the clearance is nearly none to none and you may need to remove the screws on the mainboard to slide the mainboard about 1/2 inch toward the right (as viewed facing the back of the system). To put the new power supply back, reverse the process.

Jul 11, 2014 | HP Hewlett Packard Pavilion Slimline...

1 Answer

Hp pavilion a705w - blue power light flashing, won't turn on


On the back of the power supply there is a 120/220 V AC selector switch.
It's possible that switch got knock on the wrong voltage position.


Pull the power cable. Move the switch back and forth between the two position.
Make sure you leave the switch in the correct selection. 120v = USA
If you have time,open the case and inspect the RAM module(s) and card(s). They can be un-sitted.
plug in power cord and power on the pc.





Jul 29, 2011 | HP Pavilion a705w PC Desktop

1 Answer

HP pavilion a705W pc desktop/ on back by power plugin, green light is on, push power button to turn on, light goes out and nothing happens. I opened panels and observed light again on back lite green and...


if you have installed a new hardware, that might be the cause. specially if it is a video card. The wattage of your power supply might not be enough to run the computer. try to remove newly installed hardware such as video card. If there is none, you may try to remove the power for the hard drive and the dvd drive and check if it will turn on. Just bood in to bios..

if that works, then it definitely is the power supply. it cant provide sufficient power to your equipment..

hope that works.

regards.

May 07, 2011 | HP Pavilion a705w PC Desktop

1 Answer

Hp pavilion a705w. no peripheral response


The fact is *********** board is very likely the matter. See all devices that do not need the motherboard to respond are all working (cd/dvd tray opens and closes, fans are on etc). On the other hand all devices that need the motherboard to respond are not working (keyboard, optical mouse, etc). It is more or less conclusive.

Dec 04, 2009 | Computers & Internet

1 Answer

I have a hp pavilion a705w bout 12-30-04 it wont boot most times


That's because it has a failing power supply. I post this a lot. Why? Because 70% or more of computer failure, is directly related to the power supply. Next up is Electrolytic Capacitor failure on the motherboard, (The 'Caps' that surround the processor, more specifically. These are Voltage Regulators for the processor)

Then harddrive failure.

Many times you'll see a solution posted to use a Restoration disk, or System Restore. This is just a 'Band-Aid' approach. The power supply, for you, is the problem.

Apr 12, 2009 | HP Pavilion a705w PC Desktop

1 Answer

Replacing power supply for pavilion 3000 desktop. How hard is it to do?


no it is not hard. Open the side of the computer then unscrew the screw that is at the back of the CPU. Remove the wires that's connected to the CD rom, hard drive and mother board before removing the whole power supply. then you can replace in that same position as you see the previous power supply.

Mar 15, 2009 | HP Pavilion a705w PC Desktop

1 Answer

Hp pavilion a708 uk


Sounds like it may be a power supply problem.

Not enough to power the unit itself but the LED

Nov 26, 2008 | HP Pavilion a705w PC Desktop

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