Battery stop charging with my hpnc2400 laptop can be intermittent

There are two troubleshooting tips for this:

• try changing the battery. Sometimes the battery can be bad, not keeping a charge long enough to allow the computer to power on.
• Try a new power cord. First thing is, there can be a short that intermittently causes the computer to show as charging, but it stops actually charging after letting go of the plug. Second, the cord is going bad and not allowing a full charge to go through.

start computer and press f8

The DC jack in the laptop is showing early signs of intermittent issues, the jack is solded to the motherboard which sometimes breaks free over time, this is something that will eventually need to be addressed.

Hi nabhanizatio

DELL LATITUDE C610 BATTERY CHARGE FAILURE

The likely cause of the original battery fault is a very common mistake in the way laptops are used. A laptop battery, working at optimum efficiency, whether of the older Nickel Cadmium and Nickel Metal Hydride or newer Lithium Ion types, is meant to charge under power and then discharge under use, if it is to have a long and useful life. This means that it should be used in a similar way to a cellphone's battery - connected to mains electricity and charged up when low or flat and then disconnected from the power and used on battery power alone until the power level means the cycle needs repeating. Many people, however, unwittingly use their laptops like desktop PCs and leave the mains electricity permanently connected to it even after the battery is fully charged. The reason that people cite for doing this is 'convenience'. This, however, is a mistake.

Laptops have more flexibility than cellphones in that, if they are mainly used in one place rather than as mobile devices, then it is possible to charge the battery to full capacity, disconnect from the mains, then remove and keep the battery until the next time the laptop's mobility function is required (periodically recharge the stored battery if not in use for long periods of time because the charge slowly dissipates when not in use), reconnect the mains to the battery-less laptop and use it like that, ad infinitum.

When a laptop battery is fully charged, what it really wants to do is discharge. However, maintaining the mains connection prevents it from doing so. The Power Management System on the motherboard is designed to cope with long periods of either battery powered or battery-less mains powered use, but not long periods of simultaneous battery + mains powered use. A fully charged battery still connected to mains electricity has no means of discharging and various power sensitive components such as the Power Inverter, Cold Cathode Backlight, LCD Panel, Graphics Chip and Motherboard Power Management Stystem can become damaged by the power bottleneck created.

Using the battery in this wrong way also gradually depletes the charging capacity of the cells, until eventually, the cells can carry no charge, meaning a dead battery. A dead battery, where the cells are depleted, left in the laptop with the mains connected, is even worse for the Power Managent System because the flow of power to the motherboard via the dead battery cells is inefficient and intermittent, creating battery overheating, low CPU Cooling Fan speed, inferior cooling and consequent internal overheating hazards in addition to potential electrical damage to several components. When damage to the Motherboard Power Management System passes a certain point, even a new battery might not charge - the situation in which you now find yourself.

Loose DC jacks, leading to intermittent power drops and surges, are typically caused by the jack being allowed to take the weight of the heavy transformer box on the laptop's power cable. The solution is to ensure that the laptop is never held, carried or used with the transformer hanging unsupported. If the laptop is in use, the transformer should be disconnected, carried, placed on a desk or table near the laptop (if the cord is short) or laid completely full-weight-flat on the floor (if the cord is long enough). Also, a Surge Suppressor/Surge Protector should always be used between the mains power socket and all computer equipment, rather than directly to the mains.

If either the Motherboard Power Management System or DC Jack are ever damaged, your laptop would require professional specialist repair by a Component Level Laptop Repair Specialist, providing No Fix No Fee, Warrantied Repairs ( typically 3-6 months Repair Warranty).

I hope this helps.

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Thanks for using FixYa.

* Try to change or check another charger,might some wirings are apparently cut and loses contact.

* as well as changing the battery too, might need a replacement due to a long time use or overused.

* Also check the battery terminal pins if its align,might missing the ground and not triggering the battery interface that's why the power voltage is not supplying accurately.


best regards,

It seems that the issues is with the battery itself, not the cppu.

To double check, you can do the following:

1. Disconnect adapter and run battery completely dead.
2. Reconnect adapter and let charge for at leasst 12 hours OR until battery displays 100% charge.

If it still won't charge to 100%, then you know for sure the battery is defective/worn out..
If you want to know more about this, look on wikipedia for: "Laptop Battery Lifespan" or "Laptop Battery Memory Charging".

But I'd say it's safe to assume that it's time for a new replacement battery for your Notebook PC.

Hope this helps!

Take the notebook to the tech, ask them to check for any lose connections on the power inlet socket inside the laptop, where it is connected with the motherboard. Perhaps, some small solder-joints, or tiny contacts have come off and are on/off depending on the notebook's/power supply jack position, etc.

Seems the power board is defective, you need to take this laptop to a service center to check for a new power board or if diy check ebay, you can find a good one there.

A common trouble is that the solder joints from the power jack to the motherboard can break. This is due to flexing the power plug over time. When this happens the power can't get onto the board at all to run the computer or charge the battery. Sometimes the connections may still work, so you get the intermittent operation you mentioned.

Usually this can be repaired, but it means disassembling the computer to take out the motherboard and resoldering the connections. In some cases, the motherboard can be damaged by heating and arcing from the bad connections and can't be repeaired, but this is pretty rare. A computer shop might be able to do the repair if they get into that level of service.

Batteries get old and wear out. Be use AC outlet is working. Check for power light on AC/DC charger box between laptop and AC.

It is common for Laptop charging/power connectors to get worn and/or loose(intermittent). Try to get charging light on PC by wiggling power connection to PC.

If not, if you have a VoltOhmMeter(VOM). check for 5V on barrel power connector on the charger side, that plugs into PC, Outside conductor is GND and Inner connector is (+5V). VOMs are cheap at RadioShack or AutoParts stores and are a handy tool to have around the house. Book shows you how to measure. PC is 120V AC on Wall side of PC Power Supply from Wall Outlet, and 5V DC on PC side of Charger.

Charger may be defective. Cheap on Ebay.