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My hp touch-smart 300-1125uk wont turn on nothing moves, not even the fun. when i plugged in the ac cord i see a green light beside where i plugged in ac cord. but immediately i press the power button the green light goes off. unless i pull it out again and Waite for about 30 seconds then the green light comes back again. please i need help

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It requires servicing

Posted on Mar 25, 2014

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Hp p/smart c5280 all lights flashing


Is this your problem:
The power light and about all of the left lights are blinking and there is
nothing on the display screen. Trying to turn off the machine does not work and
results in the same error. "Hard" reboots do not work.


Switch the cords if you have another HP Photosmart printer, even if the
latter one is still working.


I thought of this early but then decided to watse three hours of my life I
will never get back,


Do you have another HP printer with a similar looking power cord?


The cords should go into the back of the printer very easily. I have an HP
C5280 and a newer HP C309 and I just moved. Actually, I have three printers
including an HP 7510. The 7510 and the C309 worked just fine when I set them
up, so I figured they both had to be utilizing the proper cords. But I was
sismaken.


I undid the C309 cord and replugged it and noticed it was hard to put into
that machine, despite that it still printed, just as the one I was using on the
C5280 was difficult to plug in. So I made sure the transformers were basically
the same and switched the cords.


Your first tip that something is awry is if it takes any effort to get the
power cord into the machine in the first place.


Hope this works!

Feb 15, 2011 | HP Photosmart C5280 Printer

1 Answer

My hp pavilion a430n is not turning on. even though i pressed the power button the light wont even turn on. it is truly annoying and the screen says something about the power supply and green, red, blue...


I suggest to open your computer and unplug your power supply and look for the color green and black cord which plugged from your motherboard. Then find a piece of wire and short the color green and black wire to test if your power supply is working and plug to your power socket. And check your electronic parts (capacitor) near at your processor, it might your capacitor blown out.

Nov 15, 2010 | HP Pavilion a430n PC Desktop

1 Answer

I have a hp desktop about 5 years old..few days ago we had a power outage. power came on and off a few times ..i wasnt home but my pc was on when i came home my pc was off and wouldnt start..i try to push...


> bad power supply

Try an ordinary lamp in the wall-socket -- to make sure that a circuit-breaker inside your home has not "tripped", i.e., no power to anything that plugs in.

If there is an on/off switch beside where the power-cord connects to the power-supply, switch it to the "off" ("zero") position.

Unplug the AC cord from the power-supply.

While watching the fan inside the power-supply, and/or watching the fan on top of the CPU, plug-in the AC cord. One of the fans may "twitch", if there is power.

Flip that rocker-switch to the "on" ("one") position, and see if one of the fans "twitches".
Also, look on the motherboard for a small lamp -- it may go on if the AC power-cord is connected,
or may go on when that "back" switch is set to "on".

Try a different power-supply. If still nothing, then it's your motherboard that got "fried".

Nov 11, 2010 | HP Pavillion s7420n PC Desktop

1 Answer

Touch screen wont turn on power light keeps flashing green, rapidly, worked right up till we moved it to a new computer. what do i do?


It may be that the cord you have plugged into the tower either a.) doesn't like the plug in or b.) your going to need to adjust power and voltage settings to the monitor

Oct 30, 2010 | Elotouch 17" LCD Monitor

1 Answer

Laptop will not power up. Hp sent a new wall adapter but will not power up....pulled battery and plugged in and still nothing.


By what you have posted it seems as if your computer won't power on at all even when the cord is plugged in. You also tried it with a new power cord. If that didn't solve the issue then your motherboard has gone bad. I'm guessing your computer is still under warranty since they sent you a new AC adapter. Tell them that the motherboard needs to be replaced and send it out to them.

Jul 17, 2010 | HP SMART BUY 8530P 253G 2GB 320GB DVDRW...

3 Answers

Computer wont turn on


taking out the battery resets the settings on the bios for the motherboard.

worked for me on the few computers that wont turn on.

If it starts up, you may need to enter dates etc onto the bios.

May 29, 2009 | HP Pavilion A820n (PP165AA) PC Desktop

1 Answer

HP Laptop Seem to Charge but Wont Turn On


When you plugged the power cord back in did the green light on the power cord battery light up. How long have you had the cord. Make sure the power cord is working properly.

Jan 03, 2009 | HP Compaq Presario C304NR Notebook

1 Answer

Flickering power/screen


sounds like a dry solder joint at the power plug.

To make sure of this just plug the console in and turn it on (so the red light goes on) and gently move the power cord an see if the red led flickers; if it does then follow this fix

Open the console don't loose the screws!
Remove the circuit board and look at the power plug closely
There are 3 joins to it and the board.
Sometimes you can just touch a hot soldering iron on them or a small blob of solder will fix it. Then reassemble and have fun.

Aug 19, 2008 | Sega Genesis Console

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