Question about Compaq CACHE BATTERIES

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Battery does not charge

I own a Compaq M2015LA Presario Laptop, The battery it´s been dead for 1 year. I continue to use it only with AC adapter. The adapter finally went out. So I decide to order a new Battery and AC adapter as well. It powers up but does not charge the battery. Battery was good and new. I used the fully factory charged battery until dead, before I try to charge it for the first time. Any ideas????

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You may need to get a new one try that ok

Posted on Dec 13, 2008

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Posted on Jan 02, 2017

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Plugged in not charging


On some devices, like my work Lenovo laptop, it'll stop and just trickle charge when the battery is at 97%. That's a feature, not a bug, designed to help avoid overcharging and damaging your battery and device. Try running on battery for a little while and reconnect the AC adapter. You should notice it's charging again. If it doesn't, post back.

Jan 06, 2014 | Intel Computers & Internet

Tip

Save the Dell battery power It is not that the battery has expired during the...


Save the Dell battery power

It is not that the battery has expired during the flight of important meeting or during long distance. Even though the technology has advanced, the time the notebook PC of the battery lasts on a single charge is limited. It is important to take full advantage of the power that can be used.

At any time you might have you already how the power of the notebook PC can be secured. You can always prepare a spare battery, you can carry the code of power, for the prepared might have (optimal battery charging method to be able to charge your notebook PC when the power plug is used, it always Please follow the manufacturer's instructions.)

for if these methods did not work, we'll show you how to help prolong the battery life of your computer.

Select a power plan that saves power.

The power plan, for managing the use of power by the notebook PC, and is a collection of hardware and system settings. The Windows 7 has two default plans.

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Balance. When necessary, the brightness of the performance and display the maximum, the computer will save power when idle.

Saving power. This is the best choice to be long-lasting battery life. Disadvantages are that performance is slow, is that the screen is dark.

The computer manufacturer may other than these plans are provided.

Show all

To change the Asus AP21-MK90 battery

You can also create a custom power saving power plan. For more information, please refer to the "Create a power plan (setting), change, or delete".

It will reduce the brightness of the display.

The display, you may want to consume more power than other any computer components, such as a hard disk, CPU. In the notebook PC is, to see whether such a device is attached to even your notebook PC that has those dedicated button or dial to change the brightness of the display is equipped, it comes with the computer to examine the documents or, please visit the manufacturer's Web site. Brightness of the display, you can also be adjusted from the Power Options in Control Panel.

It will shorten the time to turn off the display in Windows.

Even a little time, when you do not use the notebook PC, when certain of the non-operation state continues, you can darken, and the power of the display should be set up Windows so that off, you can save power .

Windows is or dim the display, to select the timing to turn off the power

To remove it or turn off the power to the device you are not using.

Many USB devices, power is only connected is consumed. If you are using a USB mouse, the mouse is removed, the use of the touch pad or tablet pen, you can save power. If you are using a USB flash drive, please remove when not in use.

Please turn off the PC cards and integrated wireless devices.

Power in these devices is consumed. If these are not necessary, please turn off the power.

It's laptop battery is never cheap.

Even if you always use the AC adapter, since the emergency and is no use when used in battery mode does not make sense, there is software for not as much deterioration as possible battery is something happy.

Even so, well it is possible to have Na ~ ThinkPad is.

You can replacement purchases a personal computer, you might be happy to buy a personal computer that is attached anti said software when you buy new.

Whether laptop for a better power supply that was being? We have been asked many questions that.

The following is an excerpt from BIGLOBE of e-mail magazine. Please refer to.

"Compared to when you buy a laptop, battery less of became fast", "as much as possible the laptop battery want to last longer!" To anyone who wants.

In order to preserve as much as possible the life of the G74SX battery, I will introduce a point and tricks you want to be careful!

Caution those who have this kind of use!

Did you mean, why not or not use while charging the laptop?

Many, lithium-ion batteries of the battery being used in laptop battery. This battery, charging becomes violently degradation and followed by a state that is a 100 percent, I would shrink the life of the battery (?) is.

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Attention also anyone who "every day, have a charge the laptop before going to bed." Battery has been said that the number of times that can be charged about 500 times. In addition, the battery as long as they continue to charge, tries to keep 100% of the full charge. However, in practice, always because it has happened discharge is in the personal computer, it is finely repeatedly that state because charging, the consumption ? battery charge the battery is 100% ? discharge.

Therefore, you can not use while plugged the AC adapter into an electrical outlet in the same sense as the desktop personal computer, and has a charge every day, the life of the Sony battery will become more and more short.

Smartphones, also has been used a lithium ion battery and the laptop. This article also ne please refer to!

? To extend battery life, the three causes of the daily ed] & battery deterioration to note this!

? In the article, the life of the battery, it points a state in which the capacity is reduced by half, which can be charged as compared to when new.

And ... in order to prolong the life of the battery

The first is, that it is not used while charging the laptop.

As mentioned above, using a laptop while plugged the AC adapter into an electrical outlet, the life of the rechargeable battery will become more and more short. "Less likely to bring a laptop to the outside, it is often used in a fixed location of the room," anyone who wants to, there is also a hand in that, should remove the battery except when you carry around.

The second is, that you do not blindly charge.

If you have to charge every day, it is will be increased, but the number of charges by that amount of course. And such as a battery is charged only when the cut 20%, you can reduce the number of charges to be decide my own rules.

Third, that the bear in mind as much as possible to 80% charge.

If there is an item that can be set the state of charge of the battery of the laptop power settings, it can be set so as not to be in full charge (?).

I have to try that "sub-zero beer" to drink at home, "Strong via cooler"

For example, in the case of certain laptop DELL, proceeds HP charging battery in the Control Panel ? Power Options ? desktop mode, you can set the use of the from the desktop mode tab, battery.

? Whether or not there is a power setting, it is more on the model of the laptop

The battery is a consumable. Please, let as much as possible long-lasting using it well!

http://pingcong.269g.net/article/19760799.html

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on May 28, 2015 | ASUS G74SX-A1 17.3in Laptop i7 2GHz 12GB...

1 Answer

My lenovo G460 laptop doesn't turn on ?


Did you have exhausted the battery power? If so, maybe the laptop can't turn on as soon as you plug in the ac adapter, as you can try to let the laptop charged for a time and then turn on the laptop to see if every thing is well.

Mar 14, 2013 | Lenovo G460 Laptop Computer 06774CU Intel...

1 Answer

Power on of laptop cannot be turn on (samsung)


Step 1:

Unplug laptop from power.

Step 2:

Remove internal battery from laptop.

Step 3:

Plug laptop back in.

Step 4:

Turn on computer as you normally would.

Step 5:

If it starts up on AC power, then battery is dead. Must replace battery.

Step 6:

If still not booting up, then must check the AC adapter for output (use voltmeter). If no output power on AC adapter --> Replace it.

Jan 13, 2013 | Samsung R458 R408 R410 R453 R460 laptop...

1 Answer

No power, will not turn on.


For this kind of issue, please follow up the following steps to check:

1.confirm the battery and ac adapter connect the laptop normally.Maybe the bad connect lead to this problem. If there are no lights when you turn on laptop, one of possible reason is that your adapter is malfunction.

2.the second possible cause is laptop dc jack failure. If the dc jack is broken or loose, you are required to replace it or repair it.

3.Another possible reason is that there is something wrong with laptop motherboard. For this situation, it includs two kinds of possibility,a failure in an electronic circuit and BGA malfunction.

For more detailed reasons and solutions, please have a look at the following article:http://www.ifitjams.com/lappower.htm

If you verify your laptop adapter is dead and you plan to order a new one, I recommend one for you on the basis of your laptop model:

http://www.chargerbuy.com/intocircuit-hp-pavilion-dv4-ac-adapter-65w.html

http://www.chargerbuy.com/replacement-hp-pavilion-dv4-ac-adapter-19v-4-74a.html

http://www.chargerbuy.com/replacement-hp-pavilion-dv4-ac-adapter-18-5v-3-5a.html

Dec 22, 2012 | HP Pavillion NB200UA dv4-1225dx Notebook...

1 Answer

My laptop is not charging even it is plugged in.


There are two possibilities here.
1) Your charger is faulty or there is a break in the wire.
2) Your laptop's battery is dead.

How old is the laptop? Is it the same battery that came with the laptop when you bought it? When you use the laptop at home or at work do you normally plug it into AC power with or without the battery in the laptop?

Dec 14, 2011 | Lenovo G460 Laptop Computer 06774CU Intel...

1 Answer

I am not able to open my laptop lenovo G460


Hi kabi_a11,

If you're unable to turn on your laptop there's a big chance that you're having power issue. Consider checking your Battery, AC adapter and DC In port.

1. Basic troubleshooting for battery is by reseating it. Kindly make sure to put it back properly.

2. For the AC Adapter, check the light indicator for it. If it's not defective you'll see the blue light on the brick. You may also try using other AC adapter with same power supply. And if other AC adapter works with your PC then it's the AC adapter that goes with your PC needs to be replaced.

3. One of the possible cause for your computer not to turn on is because the DC In port for the machine is loosed. No power will flow from your AC adapter to your PC.

If after checking and still computer won't turn on I will now recommend you to contact the manufacturer. Lenovo offers repair if machine is under warranty.


Hope this helps.


Thank you for using Fixya.

Feb 16, 2011 | Lenovo G460 Laptop Computer 06774CU Intel...

1 Answer

Charging problem ; charger is ok but it seems like there is a problem with the actual internal charging device.


There could e a problem with the battery. A fast check to determine whether you have a problem with the power adapter, power cord or the laptop's battery is to turn off the laptop, remove the battery, connect the power adapter, turn on the laptop & see if it works.
If the laptop works directly from the power adapter with the battery removed, then the power adapter is good. In this case we can suspect that the battery is defective & needs to be replaced.

Nov 16, 2009 | Acer Pentium II , 266 MHz (91.AB009.001)

1 Answer

Laptop will not power up


Try removing the battery..then attempt a power up. make sure there are no USB devices connected as well. Take some time, it happened to me, it was caused by a non USB compliant lamp! The machine would not start at all.

Nov 25, 2007 | Acer SMS3000BOX2LB CPU for ASPIRE 3003,...

1 Answer

Laptop crashes shortly after boot, power light rapidly blinks red.


Its late, so just to make sure I'm not brain-dead basically your laptop runs fine as long as its powered by the AC adaptor but dies fairly quickly while running via battery. This is very typical of a battery that will no longer hold a charge, not normally a user repairable item. It could also be that the charging electronics (in the laptop) isn't charging the battery, again not a typical user repair job. About your only option short of taking it to the repair shop is buying or borrowing a battery as a test.

Dec 12, 2006 | Medion (40010998)

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