Battery indicator for windows 101/8/2023 ![]() There are lots of battery tips there, but briefly, open Device Manager, expand Batteries, right click Microsoft ACPI- and select Uninstall. There is one more fix for battery calibration and I covered it in Dig deep into Windows power settings to extend laptop battery life. It takes several hours to run, so be patient.Īnother way to reset a laptop battery is to charge it to 100% and then run it until it shuts down. You need to connect to the mains power and close all applications before clicking the Continue button. Click the Start button next to Battery Gauge Reset. With a newer Lenovo laptop, run Energy Management and click the gear icon. Then go to Power Manager > Battery tab > Battery Maintenance. If you have an old Lenovo laptop, plug in the power adapter and charge it up. Another quick fix is to power off the laptop and then hold down the power button for 10 to 15 seconds. Reset the batteryĭifferent computers use different methods to reset the battery or calibrate it. This could take up to four hours, so don’t run this test if you urgently need to use the computer to get some work done.Īfterwards, return to the main menu and quit to boot up to Windows as normal. If a problem with the battery is found, then the Battery Calibration test is performed. A quick battery check is carried out and it says it takes two minutes, but it was more like 30 seconds on my computer. Use up/down arrow keys to select Battery and press Enter. ![]() Use the up and down arrow keys to highlight Component Tests and press Enter to select it.Ī component menu is displayed. Instead of starting Windows, the HP PC Hardware Diagnostics UEFI utility appears. For example, turn on an HP laptop or notebook computer and press the F2 key several times. Some computers have built in diagnostics that can be used to check the hardware components. You don’t need to stick with the power plan you created and others can be selected as and when needed. Plug the power cable in and power up the computer. Make sure the plan is selected and then just use the computer as normal until the battery expires and the laptop shuts down. Set the display to never turn off and the computer never to sleep when running on the battery Select the plan that is closest to what you want to use. Open the Control Panel and open Power Options. Plug in the battery charger and fully charge the laptop. ![]() There are several ways to calibrate the battery in a laptop and you might need to try more than one to fix the battery meter display so that it is accurate. Knowing that there is only half an hour left enables you to finish your work, find the charger or send the email you have been meaning to send, but not got around to. If the laptop shuts down at 25%, we need to reset the meter to reflect that it has only 5% charge and not 25%.īattery calibration does not affect how long the laptop lasts on a charge or how much charge a battery can hold, which degrades over time anyway.Īll it does is make the display of the charge level and time remaining more accurate. What this means is setting the meter to show the maximum charge as 100% and the minimum as 0%. When the battery meter in the taskbar becomes this bad, you need to calibrate the battery. When I thought I had an hour or more left, it would shut down. The hours and minutes left was also way out. I just couldn’t tell when the laptop would shut down on battery power and it could happen at anything below 50%. After a while it became 25%, then 30%, 40% – it was getting worse! At first the laptop would shut down when the battery indicator dropped to 20%. I was experiencing this problem first hand, so I know what a pain it can be.
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