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My mobile battery is fully discharged and when i am connecting same to laptop for charging through data exchange cable the laptop is not detecting the mobile. earlier it used to be detected as soon as i connect to the laptop. and if detected it shows SEMC flash detected as new hardware but the driver for same it does'nt found not from the internet too. please give solution for this.

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It needs a download.Please follow the instructions on this website: http://www.akshayy.com/sonyericsson/tutorials/installing-usb-flash-drivers/


Hope problem solves. Great time

Posted on Oct 10, 2010

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There is no such thing as a memory system in your battery. If you charge the battery until the green light on the charger comes on, that is as much as the battery can/will safely charge to. With Lithium batteries, they will fully charge whether they are at 75%, 50% or 10% capacity when placed on the charger and discharge to 0% if you use them that long. If you need the battery before the green light comes on and you use it, it will still fully charge when replaced on the charger. All batteries do discharge at different rates. Most not noticeably but a few will discharge fast enought to be noticable. If it affects your usage of the tool, you may want to exchange it or get it replaced under warranty because it will only get worse with age.

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No battery detected


LOL, good ole Vista. I would never discharge my battery once I got it charged. I know the instructions say that, but I just never do it. Sounds like your battery is defective. Send it back.

Apr 08, 2012 | Computers & Internet

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My Gateway MS2285 didn't charge, so I took out the battery and ran it on AC only and it was okay. Should I do this if i plan on running on AC for a long period? What do you suggest please


Hi

The likely cause of the original battery fault and the key to what to look out for in future 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 connected to it even after the battery is fully charged. The common 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. It is this method of powering the laptop that you have recently discovered.

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 P
ower Management system on the motherboard is designed to cope with long periods of either battery powered or battery-less, direct mains powered use (as you are currently doing), 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 and Graphics Chip can become damaged by the power bottleneck created.

Using the battery in this wrong way also gradually depletes the charging capacity of the cells (as seems to have happened to you), 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
Management 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 consequentinternal overheating hazards in addition to potential electrical damage to several components (and even burn damage to users' laps).

Loose DC jacks, leading to intermittent power drops and surges, are typically caused by theDC 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. This is a very real danger wparticularly when the laptop is moved while being used in a battery-less condition. 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). If a battery-less laptop is being moved, to be completely safe, it should really be powered down beforehand. Another hazard of battery-less laptop use is the accidental pulling out of the power cable while the laptop is in use, which can cause serious damage to the Hard Drive, CPU, RAM, Cooling Fan Motor, Graphics Chip, LCD Panel, Cold Cathode Backlight and LCD Panel Power Inverter.


Also, always use a Surge Supressor/Surge Protector between the mains power socket and all Co
mputer equipment, never connect the laptop's power cable directly to the mains.

When battery cells are dead, a replacement battery is required for mobile computing and should be bought and installed as soon as possible. In the meantime, the old, dead battery should be removed and disposed of in an ecologically sound manner and the laptop can be used (battery-less) on mains power alone.
Manage any new battery you buy and the AC/DC Adapter in the way described above and you should hopefully avoid problems in future.

I hope this helps. If this answer does help you, please take the time to rate it. This helps answerers like me better understand the needs and the point of view of the asker and guides us in exploring the best ways to provide useful, high quality answers. If you need further help, please feel free to post another question or add a comment to this question.


Thanks for using FixYa

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I bought A sony VAIO VGN-TXN29N when i plug the system battary its blinking and its not charging please advise what can i do regards


The likely cause of this problem is a 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 connected to it even after the battery is fully charged. The reason that people cite for doing this is convenience.

However, 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, disconnect from the mains, then remove and keep the battery until the next time the laptop's mobile function is required (periodically recharge the 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.

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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 management system because the flow of power to the motherboard via the dead battery cells battery is inefficient and intermittent, creating battery overheating, low fan speed, inferior cooling, internal overheating hazards to the potential electrical damage to several components.

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 lain completely full-weight-flat on the floor (if the cord is long enough).

Also, always use a surge protector for computer equipment, never directly to the mains.

If the battery cells are dead, you require a replacement battery.

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

When you get your laptop back after the repair, manage the power in the way described above and you should hopefully avoid similar problems in future.

Also check for any damage to the cable where it joins to the transformer box. Also, obviously check for blown plug fuses.

Hope this helps

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My hp pavilion dv4 laptop's battery cannot sustain even for 1 hour.please give some ideas to maintain the battery and is there any remedy for this issue.Also which is better among, using laptop always...


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If you want to maintain the battery properly, it is best to remove it once fully charged and use on ac power alone. If using the laptop on battery, remove the AC connection and allow the battery to fully discharge before recharging it ( there is some debate on this method, other may disagree)

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what you need to do now is find a way to fully discharge the batteries

kind regards

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Hallow Dear,

As your explanation about Battery issue simply I’m advising you to replace your battery with original one.

But before that there is one thing that you can try it out.

---Use your laptop until battery goes down & shutdown automatically then remove the battery and try to discharge it completely with small bulb manually

When it’s on completely discharge (0 Volt) keep it on Outdoor Sunlight about 12 hours.

After that connect it to your laptop & recharge it completely (until Computer LEDs showing you as Fully Charged)

****** REMEMBER DO NOT TURN ON YOUR LAPTOP******
Until its Showing you as fully charged

That will be nice if you can check Battery Voltage & Amperage manually as it is charged fully before turn on your laptop. (if not you can give more charging time accordingly)

This will not solve your any component (thermal fuse, vRegulate) problems inside your battery but will increase your battery Cells Life and most vStoraging problems on Cells inside your battery

Thank you & Best Regards
Dinu….

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