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Power supply in HP slimline s7310n

When I turn on my computer, the power button does not turn on and the green light in the back turns off. I've unplugged and plugged back in the power cord and nothing happens after I press the power button on and off again. When unplugged I switch the voltage button up and down and plug in again, still nothing happens. Finally I use my hair dryer and aim it at the vent in the power supply. After 90 seconds the computer turns on. The motherboard light blinks, the CPU light blinks, the green light in the back is on and we're good until I turn the computer back on again. Tell me what's happening and what it is I need to do.

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  • Master
  • 575 Answers

It sounds like the CPU is over heating. It probably has poor ventilation. Unplug the unit and open the side panel. Carefully vacuum all the dust inside. Be careful not to damage any electronics. You can use a small brush to loosen the dust before vacuuming. Good luck!

Posted on Apr 11, 2017

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Posted on Jan 02, 2017

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  • 76 Answers

SOURCE: E Machine CPU

I have seen systems where when they get an unexpected shutdown such as a power failure, then the power supply will not supply full power when you try and start back up. I would suggest that you turn off the power switch to the power supply (if you have one), what a few seconds and power it back on.

Posted on Sep 28, 2008

jtuckerj
  • 59 Answers

SOURCE: HP computer doesn't turn on

Your power supply is bad--you will need to replace. I suggest looking at tigerdiect for a replacement.

Posted on Dec 12, 2008

luke4010
  • 35 Answers

SOURCE: Hp Pavilion a1120n will not power up.

Yes it needs a power supply. You can get a cheep one on eaby or get one off of the HP site

Hope this works,

Luke Wilcox

Posted on Dec 29, 2009

mrninja
  • 600 Answers

SOURCE: my "hp pavilion a220n" won't

Check all wires for loose connections--- if the memory was wrong or something, it would still attempt to boot but stop during the POST and start to beep

Posted on Dec 23, 2010

mariolands
  • 2296 Answers

SOURCE: my "hp pavilion a220n" won't power on. ... I was

Pull the power cord out and press the power button on the PC to drain the power for 10 seconds. Then plug the power cord back in and turn the computer on. If still does not work, then the power supply may be blown out and needs replacement.

Posted on Dec 24, 2010

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1 Answer

Hp pavilion slimline power supply


you bringing a marginal part or connection back up a working state. when it cools or voltage drops it goes to the non working state. hp power supplies are not good to begin with. replacing it will fix it till that one also fails

May 23, 2017 | Computers & Internet

1 Answer

Install power supply


No Power on an HP Pavilion PC Desktop b> Desktop computers are simultaneously more complex and easier than laptops when it comes to troubleshooting. There are more physical components on a desktop, so locating a specific troublesome part can be tricky, but working inside of a desktop computer is straightforward compared to opening and fiddling with a laptop. Power problems are always hardware problems. There are a few simple, preliminary steps to troubleshooting, but power problems often require opening your computer and having a look inside.

The Basics
Unplug everything from your PC except for the power cord. Try turning on the system and look for lights on the front, then on the back. When the power supply is on (receiving power), the small light beneath the plug turns green. If this light doesn't come on, the problem is either connected to the cord or the power supply. Try swapping power cords with the monitor cord to isolate the cord as the source of the problem. Look closely at the voltage selector and make sure it's set appropriately for your country -- 110 in North America and 220 for most other regions. b> The Socket b> Unplug the power cord and switch the voltage selector to the opposite setting. Wait five seconds, then flip it back. This ensures that the switch is engaged. Plug in the power cord again and try turning on the PC. Check the outlet to make sure it's working, and plug your computer direction into the wall socket (remove it from any surge protectors or power bars). Check the power button. If it sticks when you push it, it may not be making contact to engage the system power and will need to be replaced. If the button is going in and out freely, you've done about everything you can do from the outside of the computer. It's time to go inside. b> Open it Up b> Unplug the power cord and hold down the power button for five seconds. This clears all electrical charges from the circuitry and makes it safe to open the computer. Remove the side panel from your system. This process varies a bit from model to model -- some have one or two captive screws on the back of the system, some have an easy release button. Check your manual. b> Power Button b> Locate the power button from the inside and trace the cables to where they plug into the motherboard. Lift up on the connector and then push it firmly back down. Plug the PC back in to its power source and try to power it on. Unplug the computer immediately if the system doesn't power up, and continue troubleshooting. b> Hardware Components b> Disconnect each of the devices in your computer one at a time to locate a faulty piece of hardware. Power cables run from the power supply connect to your optical drive, hard drive, floppy drive (if one exists) and into several places on the system board. This step takes some trial and error detective work and a few minutes: unplug one device, reconnect the power, and try turning on the system. Then disconnect the AC power, plug the device back in and try the next one. If the system powers up at any stage, the device you are unhooking is shorting out the power and needs to be replaced.
http://www.youtube.com/watch?v=HJvYGtbwmh8 To Replace HP Pavilion Desktop Power Supply http://www.youtube.com/watch?v=VcEFUpZSmI4 Hp Pavilion 750n desktop computer basics on this computer b> http://www.youtube.com/watch?v=D8Y2PPMiiB0 HP Pavilion Slimline PSU Upgrade Guide This guide compares the Sparkle SPI270LE - 270 watt PSU against the Shuttle PC50 -300 watt as possible power supply upgrade for a HP Slimline. The s3600t Slimline I used for this video has a Intel Hope this helps.


Jan 03, 2013 | HP Pavilion 761n PC Desktop

1 Answer

I try to turn my computer on but no luck, the little green light in the back is on, does that mean anything?


The green light indicates that the power supply is standby, if you press power botton and PC doesn't turn on, the simplest failure could be a defective power botton, also at the worst case you could have a defective power supply or motherboard.

Feb 18, 2011 | HP Hewlett Packard Pavilion Slimline...

1 Answer

The computer won't turn on. The power supply light on the back lights up, but it will not turn on at all.


The switch on the front of the pc may be bad. You can try to bypass the switch, jump it.

Jan 12, 2011 | HP Pavilion s7310n (EN996AA) PC Desktop

1 Answer

Got the green light in back but no power to the system tried the hold power button for 5 sec thing does not work?


Hi,

The green light at the back indicates that the computer is getting power and it also indicates that the Power Box which is known as the SMPS that supplies power is working fine .As there is no light on the front panel it can be that the motherboard has gone bad .To check that u need to open up the computer tower and then remove the memory cards(RAM) there can be one or more than one so with the card removed turn the computer on .In normal circumstances the computer should impart long beeping noise which indicates that the motherboard is fine and if there is no beeping noise then it means the the board has gone bad and needas to be replaced or serviced.

all the best

May 10, 2010 | HP Hewlett Packard Pavilion Slimline...

1 Answer

HP Pavilion s7310n Slimline Desktop PC | how to change the power supply


This is an easy one, Purchase a new suitable PSU, probably from Dell, You will find a set of 4 screws at rear of machine, in line with PSU, undo these 4 screws. Unplug the plugs from all the connections, MotherBoard, DVD, Hard Drive etc etc. Then simply do the reverse procedure.. carefully reassemble..

Jan 27, 2010 | HP Pavilion s7310n (EN996AA) PC Desktop

1 Answer

My HP Pavilion s7310n was running and the monitor was shut off. When I turned the monitor back on I realized that the pc was off. Whenever I try to start the pc, the light on the front and the one on the...


If no PC start at all, ensure ALL power leads are securely plugged in to pC and wall socket. If still no go, try another power supply cable. If still no go then likely to be power supply.

Dec 21, 2009 | HP Pavilion s7310n (EN996AA) PC Desktop

1 Answer

Sometimes I hit the power button on my s3710t and it won't turn on. What should happen when it comes on properly is that the power button should turn blue that indicates the unit is turning on. Rather what...


These are usually symptoms that lead to your power supply. I would say that your power supply is on its way out the door. If this unit is under warranty, call Dell.

Hope this helps.

Oct 06, 2009 | Dell Hp Pavilion Slimline Computer s3710t...

2 Answers

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


First with the computer turned off make sure the switch on the power supply is set to 115v.

If you turn the computer back on and you still get a flashing green light on the back of the power supply and a constant light on the front of the computer with no video, then try replacing the power supply with either a new one or a known working good one.

If that doesn't do it then it has to be the motherboard at that point.

Keep in mind normally on those power supplies, the green light should be constant. So it has to be either the power supply is bad or the moterboard is bad and you'll know when you put a new or known good working power supply in the computer.



Aug 03, 2009 | HP Computers & Internet

1 Answer

HP computer doesn't turn on


Your power supply is bad--you will need to replace. I suggest looking at tigerdiect for a replacement.

Dec 12, 2008 | HP Pavilion a305w (DM181AR) PC Desktop

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