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Hp pavilion slimline power supply

When I start my computer, the power button light does not turn on and the green light in the back is off. I've unplugged and plugged the power cord, nothing happens. I adjust the voltage button in the back when unplugged and still nothing happens. I use my hair dryer pointed at the PSU for about 90 seconds and the green light turns on, the motherboard light blinks, the CPU amber light blinks and I'm all set until I have to turn the computer on again. Can you tell me what's happening and what to do?

Posted by Anonymous on

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  • Computers & ... Master
  • 618 Answers

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

Posted on May 24, 2017

6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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

blueextc3221
  • 15935 Answers

SOURCE: we have an hp pavilion

Did the switch on the power supply get bumped?
There will be a toggle switch. one side has O and other side has - . It needs to be on the - to turn on.

Posted on Jan 12, 2009

  • 63 Answers

SOURCE: hp pavilion 513n tries to start up then turns off

This is a case where something that is getting switched on during start-up is causing the power supply to fail... probably due to a short. How ever I believe the short is in the power supply

This is an older HP model ( I have a 530N) with teh same problem. I bought a new power supply and installed it.

Posted on Aug 14, 2009

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

pappapumpdaf
  • 635 Answers

SOURCE: hp pavilion a430n power supply is blinking

Look at this photo
(http://www.atxpowersupplies.com/images/300-watt-atx-power-supply-FSP-ATX-300GU-350w.gif)

Did you connect the p4 atx 12vx1 plug?
You may also need to connect the aux x1 plug on some models.

Posted on Mar 09, 2010

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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

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...

2 Answers

My HP Slimline s3100n pc crashed and will power on but nothing shows up on the screen. How do i fix this?


Are you able to enter the BIOS ? If no then it's a major hardware failure, most likely the motherboard. If yes then check that the hard disk is still recognized; if it is then reinstall (or Repair, if you are bold) Windows and try to identify the cause of the crash - start by testing the hard disk using HDTune.

Mar 29, 2010 | HP Hewlett Packard Pavilion Slimline...

1 Answer

Turn om computer.hp/invent page


sorry i don,t get it. please more details what hapen

Dec 29, 2009 | HP PAVILION SLIMLINE S7520N AMD Turion 64,...

1 Answer

Hp pavilion 513n tries to start up then turns off


This is a case where something that is getting switched on during start-up is causing the power supply to fail... probably due to a short. How ever I believe the short is in the power supply

This is an older HP model ( I have a 530N) with teh same problem. I bought a new power supply and installed it.

Aug 14, 2009 | Computers & Internet

1 Answer

Same problem with my hp slimline model 3420.


hi i have a t40 that is showing the c /command when i boot it up and carnt do any thing with it

Aug 02, 2009 | HP Pavilion Slimline S7410N Notebook

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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