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If you're referring to a laptop, it should have a battery. If it shuts down when you unplug the power cord, the battery may be bad, not making good electrical contact or missing. There is usually an icon at the bottom of your screen that indicates if the battery is charging or being depleted.
If you're referring to a desktop - no battery.
I had the very same problem with a HP Pavillion DV4 laptop and the problem was inside the battery - one of its cells became defective and the charge did not last more than a few seconds - it also showed a 100% charged icon but the battery was depleted in seconds.
Before buying a brand new battery you could check with a friend that has a similar laptop if he/she can lend you his/her battery for a few minutes and check whether the laptop keeps on or not with that other battery. In the case it remains on, it is the battery for sure, and you will need to buy a replacement one. Check the link below, for one option.
Chances are that your battery doesn't / wouldn't hold a charge anymore. The laptop runs off battery power. When it is plugged in, the AC power "goes right through the battery", to support the laptop's operations. When the power cord is unplugged, and the battery doesn't hold a charge, the laptop will shut down, as your battery is (too) low to continue supporting the laptop's operations.
The easiest way around this problem is to get a new battery for the laptop. If your battery is (quite) new (and a Lithium battery), you may wish to see if you can "revive" the battery's "life" ... first by depleting the battery (completely), then charging it (until it shows it is full, plus a couple more hours), and repeating this process a few times. If you're lucky, the battery will slowly/gradually start to hold some charge, but, don't expect it to be very long. The (preferred) way to use re-chargeable batteries is to charge it fully, unplug it from the external power source, use it until it is depleted, then plug in the external power source to charge it up (fully) again .... and NOT to keep it on a power source all the time.
Battery of device been depleted completely of functionality requiring a new replacement. Refer with the device user for details with power malfunctions also recommending direction to resolvment
moleman If the batteries are fully depleted then the on-board charger will not pick them up and charge them to full strength. It is not designed to charge very low batteries. If the batteries stayed fully depleted for a period of time you will have to replace both of them. You should never fully discharge your batteries. The battery level gauge on your chair should be used to determine when to charge if it is the red recharge overnite. Get into the habit of recharging overnite if you use the chair daily. Always store the chair fully charged and if not used weekly charge once a week. Never leave the charged plugged in more than 18 hours. The chair only operates on about a 5-6 volt range from about 21-26 volts. If you are in the red the voltage is down to about 20-21 volts. Hope this helps you
Good day!Charging is a storage matter..and battery is one of the power storage..if its not storing..then its the battery that's defective..You can return it if still under warranty..
There could be a couple reasons for this:
1. When you have the battery in the charger, does it indicate that the battery is dead or fully charged. I would suggest placing the battery in a universal charger to check to see what the rating is on the battery, a universal charger will indicate the true power left. If the universal charger shows the battery is drained but your charger says it's full, you have a bad charger. If they both indicate full but camera says dead, you have either a power supply issue in the camera or the main board cannot read how much life is actually left in the battery. If your charger says full and the universal says empty, your battery is malfunctioning.
2. Does the camera turn off when it says battery depleted or does it simply keep telling that it's depleted. If the unit doesn't shut off, you have a firmware issue that needs technical repair on. That specific model does not allow you to download updates via USB from your computer, you need to send it to Pentax for repair.
1- Poke the hole in the back where it says reset. This will in essence reboot your Palm.
2- Make sure the Auto-Off after: is set to 2 minutes by going into the Preferences, Power section.
3- If your Palm is not holding charge, connect the Palm to charge it. Turn the Palm on and make sure the battery at the top has a lightning bolt going through it. This will let you know it is charging. Then, push the reset hole in the back to reset the Palm. This should reset the charging mechanism in the Palm and allow your battery to hold power.
If the Palm does not hold power after step 3, you may need to see about getting it serviced.
Sounds like the battery might be defective/worn out. If it's AA batteries (a.k.a. R6) try with a pair of good-quality alkaline batteries to see if it works then. Cheap batteries often doesn't have enogh "umph" to power cameras.
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