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Computer won't turn on

The HP 1265c PC won't power up when you press the button. Only the little green LED blinks on the back of the tower. Any suggestions?

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Try this,Unplug the the power cord from the back of the computer and press and hold the power button for 30 seconds,Then plug the cord back in and push the power button and try to start it as normal.Post back details

Posted on May 18, 2009

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If the only light you get is a green blinking light in the back of the computer, odds are that your power supply stopped funcitioning properly.

The good news is, it is a relatively easy part to get and install, but you will want to be sure you get one with adequate power for your system.

Additionally, some systems have custom built power supplies, and can be expensive. If you go buy one, be sure to take your old one in for comparison.

Good Luck
tony

Posted on May 18, 2009

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Hp computer tower will not go on


Would that be an LED (Light Emitting Diode), blinking on the back of the Power Supply?

If so, instead of being an LED that indicates the Power Supply has power to it, it has now turned into a diagnostic LED (Light), and is telling you the Power Supply is bad.

Do you have an economical multimeter, so I can guide you in testing the 3 low DC Voltages; that come out of the Power Supply?
An economical multimeter can be purchased for as little as $5 to $12.
I have seen them on checkout aisle racks, in major discount stores.

The dangerous high AC voltage, is kept contained within the metal case of the Power Supply.
(100 to 240 Volts depending on what country you are in)

The Power Supply is a Converter.
It converts the high AC voltage into 3 low DC Voltages;
3.3 Volts, 5 Volts, and 12 Volts.
In comparison two D cell flashlight batteries produce 3 Volts DC.

OR;
Use a KNOWN to be good, Compatible power supply; for a temporary test unit.

{"Honey, I'm going to borrow the Power Supply out of your computer.
I'll put it back when I'm done."
"What? I'll be sleeping on the couch? K"} (Lol!)

Also, is the inside of the computer dirty?
(Computer Unplugged from power, Anti-Static Procedures FOLLOWED)

Let's start here......

Also, what is the Product Number?
Back of computer tower, white Service Tag.
P/N = Product Number


Post back in a Comment.
Regards,
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'Sounds, (and silent to) means the PLUS in the PC is dead.
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the power button goes to the MOBO, and standby power is there
now and pushing said button the MOBO commands the PSU on
if the PSU is happy (PWROK) thinks PSU IS safe the PSU tells the PC its ok, and power stays up.
and fans run.

so my guess bad PSU, its easy to test with anyf $10 voltmeter,
ask.

tower PSU, 101

http://pcdied.com/power.html

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Hi,
If you are referring to the green light on the system tower and is blinking the problem could be the system is in stand by mode.

Turn off the computer by pressing on the power button on the system tower for 10 seconds.

Disconnect the black power cord at the back of the system tower and then again press the power button on the tower for 10 seconds. There would be no activity on the tower when you do this.

Reconnect the power cord and then power on the computer to see if the issue is resolved.


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Call HP, and I hope you are in warranty and get it replaced for free or you can order the exact same one from HP that originally comes with that model. 1-800-HP-INVENT for their tech support line.

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