Question about Compaq Presario 2190US Notebook

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I am unable to charge my battery

Do you have the wiring schematic of the battery connections and any ideas on what may be causing my Presario to not charge? It work fine off the 120V adapter. Thanks. Bruce Lind b.b.lind@att.net

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  • 26 Answers

I looks like the laptop can only work on 120V power supply. So only use 120V adaptor.

Posted on Dec 12, 2007

  • bashir anarwala
    bashir anarwala Dec 12, 2007

    the battery needs to be replaced as it can not be used anymore.

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I have a Compaq Presario CQ 60, it has stopped charging all of a sudden, please tell me probable causes


Hello.

The most common reasons for power issues are the battery, power jack and power adapter/cord.

Power off and remove the battery. If the laptop powers on with just the adapter connected, your battery is faulty.

If you move/wiggle the power adapter at the point where it connects to the laptop, and the power goes off and on, the power jack is the problem.

The power jack is inside the laptop and either needs soldering or replacement. If a power jack problem, it should be addressed by someone knowledgeable.

If no change, the power adapter is probably faulty and needs replacement.

Hope this helps.

Aug 17, 2011 | Compaq Presario CQ60-220US PC Laptop

1 Answer

250 z kawa 82 ,runs but won't charge battery, has had battery connected wrong way. any ideas,has apprently been to auto elect, but no help.


It's possible that when the wires were connected the wrong way it could have caused a short in the electrical system that charges the battery. I'd suggest you change those first.

Mar 14, 2011 | 1982 kawasaki Z 250 C

1 Answer

Compaq presario c700 laptop- unable to turn on laptop


U may have a dead board. They average $285 plus labor. A shop should be able to test it on a volt meter see if the power grid is burnt for around $35. then u will know what ur in for. If its a bad board just replace the laptop I wouldnt repair that problem on an older laptop.

Jun 24, 2010 | Compaq Presario 700 470024-192 Notebook

1 Answer

No electrical power to anything - even dome light.


Check battery and chassis earth connections are ok.
Check for 12v power at the fuse/power disrtribution fuse bus; - if no power there, trace circuit wiring back to battery.

Jul 12, 2009 | Chevrolet Blazer Cars & Trucks

1 Answer

Compaq Presario 1000x charges when off, but not when on


Try a different battery cause your existing one may have bad cells and could be messing with things. Try one that you know that works. If that fails, try another AC Adapter and see if that changes things.

If neither one fixes the problem. It could be a problem at that point with the dc jack. The solder points probably need to be resoldered cause the connection isn't good.

Could also be a problem with the motherboard with the voltage regulator but try my other suggestions first to rule things out.

Jul 04, 2009 | Compaq Presario X1000 Notebook

1 Answer

Unable to crank after sitting


Interesting problem. There are a number of things that can contribute to these symptoms: Battery not holding charge, charging system not working, bad/corroded battery and/or starter cable connections, and of course something draining the battery when the ignition is off.

Before doing these tests, make sure the battery is fully charged by disconnecting it from the car and charging it 24 hours with an external battery charger.

Is the charging system (alternator) working? Accords have an idiot light, not an ammeter/voltmeter, so it could be your car isn’t charging and the indicator light is burned out. Connect a voltmeter to a fully charged battery and observe the voltage (should be about 13.8 volts). Now start the car and observe the voltage again, should be higher than before (around 15 volts). If the voltage doesn’t increase at least slightly either the alternator belt is loose and slipping or the alternator is bad.

Are the battery terminals tight/clean? Any corrosion on the terminals or wires? How about the end that connects to the starter? How about the ground wire to chassis? Any corrosion could produce an intermittent connection problem that acts like a dead battery.

The battery may be new…but is it good? Charge it, connect it and confirm the car starts. Then DISCONNECT the battery, let sit 24 hours, re-connect and try to start. If the battery now acts dead maybe it is bad. Exchange under warranty.

And last, something is discharging the battery. First question, do you have any non-Honda add-ons like an aftermarket audio system with a power amp? Audio power amps have a direct wire to the battery for greater power, if the amp isn’t turning off then you’ll have a drain. Try disconnecting such equipment and see if your problem goes away. If that’s not it connect an ammeter in series with the battery with the ignition OFF and start pulling fuses one by one until you find what’s causing the drain.

Hope this helps!

Jan 27, 2009 | 1988 Honda Accord 4 Door

1 Answer

Panasonic cordless phone KXTG2431 discharge too fast


Hi,i'm hamed from IRAN
I have a panasonic phone model:KX-TC1282JXB and it has a problem: Discharge very soon the battery and recharge hardly or phone can't recharge it !?

<< My dicovery solution worcking 100% >>

Steps:

1-remove battery from remote-handel.
+++++ +++++ +++++ +++++ +++++ 
2-create two wires.
+++++ +++++ +++++ +++++ +++++ 
3-the jumper of battery must have two wires(red & black).
+++++ +++++ +++++ +++++ +++++ 
4-contact you're created wires to jumper of battery.
+++++ +++++ +++++ +++++ +++++ 
5-be careful! now you must connect two wires to base of phone where the remote-handel settle there at below be exist two slots "phase+" and "null-".

note: when you connect correct,the green lamp must be shining.
Recommend: (near slot by base keyboard connect black wire) and (other slot connect red wire).
+++++ +++++ +++++ +++++ +++++ 
6-connected battery must be take between 45min - 75min.

note: the battery to be warm don't worry, just control to pass time.
+++++ +++++ +++++ +++++ +++++ 
7-then release base and battery form two wires.
+++++ +++++ +++++ +++++ +++++ 
8-connect the battery to remote-handel,you can see it has charged for minimum amount (one-unit)
+++++ +++++ +++++ +++++ +++++ 
9-finally connect remote-handel to the base for give full charge,it take between 8h - 12h.
+++++ +++++ +++++ +++++ +++++ 

you can ask me you're question(s) : hamedsbt@yahoo.com

bye :-)

Jan 24, 2009 | Panasonic KX-TG2431 Cordless Phone

2 Answers

Front panel audio connection to the asus motherboard


hokuwho,
you seem to have found what i seek. im looking for a schematic for my dell latitude d600 to determine which pins of the 9 or so pin battery connection on the mother board require which voltages and or resistances to both supply the 11.1v battery voltage to run the computer, and the other signals voltages resistances etc from the two circuit borads inside the battery case that tell the computer to use the perfectly good fully charged li battery cells or not depending on number of charge cycles. my batttery stopped putting the 11.1 v, it still has alive and well inside, out to the computer mobo, and has stopped charging, or so the computer says, eventhough its fully charged, and yet will not run the computer. i ordered another battery and know why dell in thier infinite though misguided wisdom decided to prematurely kill the good batteries to avoid possible overheating and exploding. but i want for my own knowledge to determine how they are killing the output and possibly design my own circuit that does what they actually needed and meant to do, rather than have the number of charge cycles rule. id just detect battery temperature and ability to charge, and eliminate any counting of charge cycles which is useless, and results in killing perfectly good batteries for no reason. do you know what numberds i actually need to find a schematic. each time i attempt to search with the computer model number, i find schematics of other mfgrs completely different equipment with d600 in the model number, or rar files i cant open, and usually with added notes that downloading this file can harm my computer.
i have always built my own desk tops and fear no electronic circuit but software and file suffixes and wanings of damage to my computer and various types of files apparantly engineered only to confound and confuse give me a little trouble. i started in electronics at a time when each simple circuit stage was built around a single huge glass tube the size of a body builders forearm. and now im working on entire computers with less surface area than one of those tubes. but back when those tubes ruled, manufacturers were trying to build the best longest lasting curcuits they could and drew schematics that actually were intended to be capable of being read by any good tech, and were easy to find with model number, of the equipment. given a schematic i can repair most anything but i cannot find the schematic. but current circuits are desigend to purposely fail for no reason that makes sense so the manufacturer can sell more to replace them, and schematic are well disguised not only in the way thier drawn and marked but even where they are located. ive learned to read nearly all schematics and interpret any schematic symbol, but locating schematics online and getting them to my computer, is difficult for me, eventhough i have desigened and built my own electronic circuits my self all my life.

Nov 15, 2008 | Computers & Internet

1 Answer

Ac power pack keeps failing, wont charge battery


get the whole laptop checked by the service center
as if the batteries and the power pack are ok there might be the problem with the mother board

Aug 22, 2008 | Compaq Presario M2000 Notebook

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