Question about Compaq Presario 700 470024-192 Notebook

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SYSTEM POWER SUPPLY OFF

CHARGER OUT PUT CHECKED . FOND OK
CHANGED THE BATTERY AND CHECKED : NO USE

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  • blumoni2877 Feb 08, 2009

    Replaced power supply 2 times, when I plug it in it starts to turn on then just shuts off wont stay on or charge..

  • DEKR
    DEKR May 11, 2010

    does it stay on when plugged to ac power

  • Jeremy Reddick
    Jeremy Reddick May 11, 2010

    Make and model, and can I get more detail into what is going on?

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  • 2,992 Answers

If the AC adapter is working but the computer doesn't recognize the power (the indicator on the computer isn't on) and the battery isn't charging, the trouble is probably bad solder connections at the power jack. Because of flexing of the power connector, the jack can break loose from the main board and needs to be resoldered. It's not a difficult repair, but involves taking the main board out to gain access to the bottom (solder side). In some cases the main board can be burned by arcing and heating from the bad connections, and sometimes the damage is too severe to repair. The only solution then is to replace the board.

Posted on Feb 22, 2009

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Kipor kde 6700ta GENERATOR


There is, on most generators, a fuse of approximately 8Amps in series with the charge system for the battery.
If the generator produces AC and there is no charge to the internal battery, I would suspect the altenator winding, diode pack or regulator.

Nov 14, 2013 | Computers & Internet

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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

2 Answers

I cant turn on my HP520 notebook pc. when i press the power button, it blinks once, and the charging light blinks for 9times(orange light, the 8th times was green light) i tried to remove the battery and...


Alright, not sure if this will help, by my understanding is that you are saying that when you power the computer using the power supply adapter, nothing comes on? Then when you have your battery installed on, then there are lights blinking from your battery charger LED amount of times. In this case there are no promblem with your laptop and it is your power supply adapter that is damaged and will need to be replaced. It is not charging the battery. The battery is still good, but does not have enought charge to power up your system. You can find a charger on ebay for a good reasonable price compare to getting it from Hp. I hope this can help you.

Jan 13, 2011 | Computers & Internet

1 Answer

Charger was plugged in and working fine, went into


OK unplug power supply from back of laptop, remove battery, insert power supply, if NO light, on laptop, power supply is broken..Replace. IF it is OK, hold power button ON for a while, or until, the PC starts, if/when it starts, shutdown, with power ON key, and then take out power supply, replace battery, replace power supply, turn laptop on, now should be OK.

Mar 01, 2010 | Toshiba Satellite A70-S249 Notebook

1 Answer

Charger light flashes when plugged into laptop , stays on solid when unplugged,had charger checked 19v ok ,had socket checked 19v ok ,then checked to first board 19v ok ?? has a board gone down ??? annoyin...


your battery pack is causing your problem rule #1 never!! leave the charger in!! everytime you start up!! run off the batteries till the power low light come's on then apply the charger constant charging causes early failure of all/ any nican battery pack

Jan 13, 2010 | Acer Aspire 5920-6335 Laptop

2 Answers

Battery charger not working. Power adapter checks out ok. Laptop operates on battery only. 7325gz.


if it is not charging the battery will go dead.soo recharge it if it doesnt work then it could possibly be your charger.but alot of times the soldier on the input plug becomes loosened and doesnt get a connection. how did u check the chager

Oct 10, 2009 | Gateway 7325GZ Notebook

2 Answers

Black out screen dell inspiron 6400


Hi,

Try to turn on the system with the charger plugged in and also how old is the system.if the system less than a year then try to get the battery changed and may be the motherboard.

Sep 07, 2008 | Dell Inspiron 6400 Notebook

2 Answers

Battery will not charge


I completely disassemble my laptop down to only the motherboard. I put everything back together and for the past few week all seems fine.

Jul 23, 2008 | Toshiba Satellite A135-S4527 Notebook

2 Answers

Compaq Presario Laptop lost power


the battery charger board, is what I would swap first.
Good luck, keep us posted.

Nov 15, 2007 | Computers & Internet

1 Answer

My PC won't run with ac /dc power!


Hello. There is a hardware failure with the laptop not the AC charger. AC chargers have some range of protections of their own. If the power requirements of the laptop are bigger then what the charger can handle, the charger will turn off. Also other parameters can bring the charger offline. In your case, you have a problem with a small chip, the battery charge controller unit, witch regulates the amount of current required to propperly charge the battery. When this thing fails, the charging requirements for the battery are reported rong and the AC charger is forced to give more power then necesary. This results in disconnection of the AC charger ( an internal fail safe of the AC charger) and the laptop to swich back to battery power. When the laptop is turned off, it can charge the battery because the power requirements are low, having all processor, main board, hard disk etc turned off. Therefore the AC charger can handle the load. However you will need to have it checked by a service center as it is a hardware fault. Both AC charger and laptop needs that check. The charge controll circuit needs to be replaced probably. It will be a somewhat expensive repair. Don't buy any other battery untill you have the laptop checked. For more aditional info please post back. PS. Sorry for my bad english, I am from Romania, it is pretty hard for me to explain tehnical stuff in english.

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