Question about HP Compaq Presario F500 F700 and G6000 Motherboard - 442875-001

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Laptop runs on battery and charges ok,but wont run just on the charger-hp f700

Charger charges battery,but when battery is removed it wont run on the charger

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  • 64 Answers

Charger go true a lot of power voltage regulators and in the end is not powerful inought to power loptop without battery, same capasity neaded to help maintain stable curent.

Posted on Feb 18, 2014

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Posted on Jan 02, 2017

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SOURCE: compaq presario f700 has a power issue. The kid

Yep, the power supply input to the laptop is gone - the external input shorted out. You may find that the Compaq repair charges almost equal a new one.

Posted on Jan 31, 2010

pop1280
  • 2 Answers

SOURCE: i have the Presario F700. it wont turn on.

HP really messed up with some series of laptops that use amd processors and nvidia chipsets like the F500 and F700, in latin america, where I live, they never provided a solution and in the US, Canada and other countries a product call back was made but not all the users were informed and it's no longer in effect, so what you can do is repair your laptop, I'll tell you how.

You will need:
-presario F700 service manual (google it, you'll find it easily)
-heat gun or hair dryer
-a penny
-thermal silicone grease

I know it sounds like something MacGyver would do, but it helped me with several presarios F500 that wouldnt turn on. I'll explain a little so you can see why this actually works. The computer will stop turning on, in some cases wi-fi will absolutely die before,when the computer overheats, to be precise, the nvidia video chip overheats the soldering that holds it in place, when contact is lost the problem appears. So what you need to do is simple, first you need to "re-solder" the chipset, then you need to improve the system to prevent the chip from overheating, thats when the penny is used, as it is made of copper (or so I was told, I'm not american so I couldn't say for sure) it will act as a heat sink for the video chip, copper has great thermal properties.

First thing first, you'll need to follow the instructions on the service manual to dismount the fan/heat sink assembly, be really carefull not to misplace any screw or you'll have a hard time putting all back together. There is a part of the service manual that will require you to dismount the display,carefull, the complete instructions regarding that part will lead you to disassemble completely the display, my advice is, once you remove the screws that hold the display to the rest of the computer you can continue with the top cover (where the touchpad is located).

Once you have the motherboard out, identify and remove the processor as well, the fun begins now, using your heat gun or hair dryer heat the nvidia video chip, thats the one by the processor not the one by the wi-fi card, if you use a heat gun heat it for about 2 minutes you wont need more than that, try to direct the heat only to the nvidia chip, you dont want to de-solder any other components, you can cover the rest of the motherboard with magazines, that helps a little, if you are using the hair dryer make a cardboard cone to redirect the heat to the chip, you'll need to heat it from 10 to 15 minutes depending on your hair dryer, make sure to hold the heat gun or hair dryer at least 4 inches away from the chip, dont apply heat directly.

Once you are done heating the chip, you'll need to press it firmly to put it in place again, you wont feel the difference but simply do it, dont do it with your fingers or you'll burn them, that should do the trick, your computer is now fixed, however if you put it back together just like that it will fail again soon, so we need to improve the heat sink for the video chip.

You need to use the thermal silicone on both sides of the penny, then put the penny over the video chip, as centered as possible and then put the heat sink back on, off course you need to put the processor back on before putting the heat sink back, there is an optional thing to do before putting all the rest back together, you can drill some holes on the base enclosure right where the video chip is located, that will improve ventilation, then follow the instructions to put all back together, after that you can try to turn your computer on and see it turning on like it used to.

This has worked for me several times, I hope it works for you as well, one last advice, update your bios to latest version and get a cooling pad to prevent as much as you can the overheating issue, good luck.

Posted on May 19, 2010

  • 137 Answers

SOURCE: HP Compaq Presario F700, making loud noise and

system creating Noise/Heat MUST BE SHUT DOWN as Quickly as possible !!

you may hamper your computer.

Large Noise issues may be investigated only if you Open the computer Chassie.

It need Expert care and practice to open the systems.
You may give a try if you dont owe them or can take the risk.
after opening the chassie we can define the problem.. whether big or small.

Every problem has a solution !!

Rate this solution, Write a comment to keep in touch.

Posted on Sep 16, 2010

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1 Answer

Battery/charger


Charger go true a lot of power voltage regulators and in the end is not powerful inought to power loptop without battery, same capasity neaded to help maintain stable curent.

Feb 17, 2014 | HP Compaq Presario F500 F700 and G6000...

2 Answers

My compaq is power on for 2 second and off , how to fix is thank you


You need to print this out-on someone else's computer. Hope it works for you!
Remove the battery and charger/ac adapter/power cord from your Compaq Presario F700 laptop, press and hold the power button for 20 seconds to discharge any residual current inside the Compaq Presario F700 . This clears your RAM and is like a hardware reset. Replace the battery and charger/ac adapter/power cord and turn your Compaq Presario F700 laptop on.

Boot in "safe mode". As it starts up press F8, the computer ask you if you'd like to start in safe mode. Highlight "safe mode" and press enter. See if your laptop is booting up ok .

If your Compaq Presario F700 boots ok, do the following,

Try System Restore first,
Start Menu->All Programs->Accessories->System Tools->System Restore. Choose the most recent date before you the encountered problem. If it doesn't work, try the next date.

If System Restore does not fix it, as a last resort, you might need to fdisk, reformat your laptop hard disk clean and reinstall OS, that usually fixes all bugs. Before going that route, try following,

Uninstall unnecessary programs and applications.

Scan with a antivirus program

Scan with a spyware/malware program

DEFRAG C:

CHKDSK C:

Clean up and repair registry problems with registry repair software of your choice

If the problem persists, did you check if it could be your Compaq Presario F700 laptop power cord or power source problem? Defective or insufficient power supply might cause error messages that are misleading. Take the battery out and power on your laptop with the charger only. Make sure your Compaq Presario F700 power jack and charger plug tip are securely connected. Did you notice the power jack loose? You can find laptop power jack on ebay. Fixing and soldering the power jack requires professional skill though. The charger green/blue LED should be on. If not, replace the defective charger. Compaq Presario F700 laptop battery charger, especially its power cord/cable, lifespan is limited and does not last forever, consider buying a lifetime warranty charger online from company like www.topmic.com

Dec 29, 2012 | ASUS K52n-a1 Notebook

1 Answer

Charging led blinking


If your battery will not charge, you need to run a test on some components on the laptop. The battery, the charger and the laptop itself. Once you detect the faulty conponent then you replace it
with a new one.

To test the battery:
1.Power off the laptop,
2.Take out the battery,
3.Insert it in another laptop,
4.Check of it will charge,

If the battery holds a charge there, then it means the problem is not from the battery, but if it does not hold a charge, then it means the battery is defective and need to be replaced with a new one.

To test the laptop:
1.Turn off the laptop,
2.Disconnect your present charger,
3.Remove your present battery pack,
4.Insert a well tested battery into the laptop,
5.Connect a well tested charger to the laptop.

Dec 02, 2012 | HP Pavilion dv9000z Notebook

1 Answer

Its plug in but battery wont charge


If your battery will not charge, you need to run a test on some components on the laptop. The battery, the charger and the laptop itself. Once you detect the faulty conponent then you replace it with a new one.

To test the battery:
1.Power off the laptop,
2.Take out the battery,
3.Insert it in another laptop,
4.Check of it will charge,

If the battery holds a charge there, then it means the problem is not from the battery, but if it does not hold a charge, then it means the battery is defective and need to be replaced with a new one.

To test the charger:
1.Unplug the charger from the present laptop,
2.Connect it to another laptop to see if it will charge.

If it charges the laptop, then it means the charger is alright, and if it does not charge the laptop, then it means the charger is bad and need to be replaced.

To test the laptop:
1.Turn off the laptop,
2.Disconnect your present charger,
3.Remove your present battery pack,
4.Insert a well tested battery into the laptop,
5.Connect a well tested charger to the laptop.

If it powers on, then it and charges, then it means the laptop is working fine, but if it does not charge, then it means the connection port of the laptop is bad.Hope this information was helpful.

Nov 28, 2012 | HP Compaq nc2400 Notebook

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Runs on battery only wont charge or run on ac power charger working on another laptop fine


Computer power probems are traceable to batteries, ac cables and power outlets. First, the computer batterie should charger fi were situated appropiated in the compartments without ac cables power cord malfuctions.

Jan 28, 2011 | HP Pavilion dv6000z Notebook

1 Answer

Hi,problem is this If battery is in the laptop alone and at some stage charger is connected,charge light does not come on and battery continues to discharge. If laptop is then shutdown the battery...


dv4-1120us Notebook
BATTERY 101
if it runs with no battery , then its ok. see?
(does not prove internal charging chip is ok, see?)
but PC is ok on A/C line so use it. in A/C power.

learn too that letting any battery die flat , can kill it.!
best is to not walk away from any LT , running on battery only.
or risk damaging it. (the laptop tries hard to not do that but is not perfect science ,yet)
read up on cell reversal.. never flat line it on purpose and win !!!

next learn that batteries are short lived..
last a few years others months, that is what batteries do.
even car batteries can fail fast. (ask and old guy that)
all batteries are what I call "weak technology" "fails fast"

or imported from china, and are junk,. many are. so....
I always have 2 batteries, that way , having 2 good batteries
if one dies, its totally obvious, no? whats UP?
i have 2 batteries, too, so when on vacation, I dont go dry, see?
On some longer trips i carry 3, that is what laptops do best.
run with no AC jacks about.

May 13, 2017 | HP Pavilion dv4-1120us Notebook

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My laptop wont charge so i brought a new charger but it still wont work.


It could be the battery... they tend to wear out over time. If you run the laptop with the charger plugged in, it works fine, right? It just won't hold the charge?

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Philips X50 charging problems


1st remove Battery after few min insert battery and connect charger Then power on laptop.If not on check Power Mosfet or Power ic.

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