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Power meter displays the current power source: AC power supply and battery remaining 49% .but now it is not charging more, even if I unplug the laptop from the mains it imeediately losses is the power and laptop down (like a desktop). Untill this morning everything was fine ... due to some necessity I unpluged the laptop (100% loaded) and after an hour or something, I plugged it back to the grid ... and now I've noticed that it is not loaded. I turned on the laptop and tried to separate and put it in but it did not worked.Now when I plug in the laptop to the mains it "flash of white light" shows and disappears into the battery indicator, which was normally shows "Orange - if the store "" Blue - when nearly charged "" no indication - when fully charged "Like desktop PC when I connect to AC laptop works ok, and if I remove the power source, it immediately goes down instead of switching the battery source and also when I connected to the power supply should remain battery charge, but it does not calculate at all.I also have the same problem ... suddenly my laptop battery was empty and because of that it is not loaded. it shows a constant level, and is turned off when I remove the plug connection. even if I put in it only flashes once disappers the light and then. it is neither blue or orange color.I have the same problem and mine is the same age. HP is aware of it and do nothing about it. Sounds like this is an ongoing problem with this model.I have a HP 550 18 months old. The battery stopped charging at 40% and now the notebook is running on AC power. If I disconnect all electrical power off the laptop Funnily enough -.! I have the same problem laptop around 18 months old and the battery is not charged for around 3 months now the charger does not work anymore, so am about to buy a new laptop debate - has