Question about Compaq Presario 700 470024-192 Notebook

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My compaq 610c EVO will not power up. I applied reverse voltage of 12 volts to it by mistake (wrong power supply) now it will not start up on a good supply. Battery system appears to not work. I have no schematics, willing to shotgun. Can you provide location of failure points ( ie fuse, regulators, rectifiers. I can read 18v on the bottom desktop expansion connector. Any help woud be apprciated.

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Re: My compaq 610c EVO will not power up. I applied...

You shouldn't have damaged it, because it was fewer volts than what it needed, correct?

Posted on Jun 25, 2008

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Re: My compaq 610c EVO will not power up. I applied...

The ac adapter is not 12 v that is 18 volts so you can try to start geting the right ac adapter an that does not have fuse what it has is diodes and resistors and transistors looks like you know a lot of electronics components so you have to get the adapter and conect it if does not work check the first module that has the conection for the ac adapter good lock

Posted on Dec 30, 2007

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Re: My compaq 610c EVO will not power up. I applied...

You may have damage the main mother board. replacing the fuse,or regulators will not help.better to replaced the main mother board.and stay use the same hd and cd.but you may have to reload if you are not replacing with the same exact board. good lock

Posted on Dec 30, 2007

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1 Answer

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.

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.

Apr 09, 2013 | HP Pavilion PC Laptops

1 Answer

Compaq evo 610c laptop.....screen went black no power to computer, power supply checked ok, wireless modem fried. would computer be re storable or is it total loss

Sounds like the logic board got shorted out. (Probably how the wireless card got fried)

I'd pull out the HDD, the CD/DVD drive, and try to sell the rest as scrap. Some people need a spare screen.

To answer your question. Not a total loss, unfortunate, yes, but you can still make a few $$$ on selling scrap via ebay, or some specialist buyers. (easily solved by a google search)
Be sure to backup your data using another computer before getting too far ahead of yourself.


Apr 06, 2011 | Compaq PC Laptops

1 Answer

The orange charge light comes on but when I press to start computor nothing happens no green light, the orange light flickers a few times.....I have taken out hard drive and batteries afew time but nothing...

Charger faulty or Motherboard problem.
You can check the power supply of the charger by measuring the DC voltage at the DC jack with a multimeter set to DC volts (red probe on the inner of the jack, black probe on the outer of the jack, should measure 18-20 volts.

Also check the security of the jack in the DC port, make sure it is not loose

See if the Ac adaptor has a green led on it, flashing LED indicates power not being "used " by the laptop

Gut instinct with this being a compaq is that the fault lies in the motherboard

Jan 12, 2011 | Compaq Evo N610C Notebook

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try getting a copy of nero software, it does basically the same thing

Mar 30, 2010 | Compaq EVO 600C Notebook

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Power supply

voltage and current can be found on ur battery
watts=volts +amps

Jan 18, 2009 | HP Compaq Evo Notebook N600c

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Fried something?

A half volt will not make any difference. Sounds like the power supply is malfunctioning. Start by trying a different one. Keep in mind that you may have fried the new motherboard by using a faulty power supply. Popping sounds indicate a short or loose/exposed wires, and are never good with any electrical device, especially a laptop since they are sensitive to power fluctuations to begin with.

May 14, 2008 | HP Compaq Evo Notebook N600c

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quite a difficult situation, methinks...

Feb 21, 2008 | HP Compaq Evo n610c Notebook

3 Answers

Evo 610c won't turn on

see may be your battery is completly discharge everything is ok just charge it completly it will work

Oct 08, 2007 | HP Compaq Evo n610c Notebook

1 Answer

Power failuer

First off it?s a fairly risky proposition to plug a power adaptor from one device into another without making absolutely sure it supplies the correct voltage, amperage and has the correct polarity. Your laptop needs 18.5 volts, 3.5 amps, and approximately 65 watts to charge the battery. If you power adaptor is less that 3.5 amps it will shut down to prevent any damage so that?s probably what is happening. I would suggest going to the HP (now owns Compaq) or Ebay web sites and purchasing a replacement there.

Jul 24, 2007 | Compaq Evo N610C Notebook

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