It's NORMAL for you to not be able to charge it to 100% capacity after it's more than a year old - 90% is pretty good. Laptop main batteries usually work as they should for a year or so, then they begin to rapidly deteriorate. From what I've seen, by two years they cannot be charged to anywhere near their full capacity, and it gets worse after that. They often develop internal shorts when they are older.

If the battery gets HOT rather than just warm after you have attempted to charge it for at least a half hour, or after you have been using the laptop for a while with the AC adapter plugged in, it's definitely internally shorted and you must replace it. Internally shorted batteries getting too hot have been known to cause the laptop to catch on fire.

When you buy a new battery, you should follow the procedure to 'calibrate' it - then you WILL get 100% capacity for a year or so when you charge it, if there's nothing wrong with your charging circuitry, or your connection of the AC adapter to the laptop. You're also supposed to 'calibrate' it every so often.

The result you get after it has been calibrated it is as good as it's going to get, if there's nothing else wrong. Battery information center Calibrating the Notebook Battery in Microsoft Windows 98, ME, XP, and 2000 Calibrating the Notebook Battery in Vista and Windows 7. There certainly CAN be something wrong with your charging circuitry, or, a LOT more likely, with your connection of the AC adapter to the laptop.. Laptop no video (or video problems), and battery, AC adapter, power jack T shooting.

Jun 5, 2009 - In Windows 7 RC and the previous beta, I have been receiving an. Consider replacing your battery' im running a acer aspire 5520 & its. Now, after 3 full discharge/calibration cycles, I'm seeing. Silver stack set keygen free. Is there anyway that we can compile our details (a single focus list/group) so that Microsoft can have a list.

See response 1: Tips about battery charging problems on Dell laptops - may apply to other makes. See response 3 in this by iTech.

Windows 10 has a built-in, hidden battery report tool that can tell you everything you need to know about your laptop battery, including your battery life estimate and its capacity over time. Use this powercfg command to better understand your battery's health and optimize your computer's battery life. We'll use the command prompt to generate an HTML battery report for your computer. Hit Windows Button + X and select Command Prompt (Admin). This is the quickest way to open the Command Prompt as an administrator.

Type in and enter: powercfg /batteryreport This command will create a battery report under C: WINDOWS system32 battery-report.html or, in Windows versions older than Windows 10, under C: Users [Username] 3. Open the Battery report HTML file to view it. The report will give you more information about the batteries in your system, as well as how they've been used over time. Perhaps of most usefulness to most people is the battery life estimates--how long you can expect your battery to last based on actual usage--and how it's changed since you first installed the OS. It's more accurate and precise than relying on the battery icon in your taskbar. Other report sections such as Usage history and battery capacity can help you check your laptop battery's health. To get many more details about your battery than you from the battery icon in the taskbar, remember this hidden trick.