Many books have built-in battery correction tool, to Lenovo Sun C461m Notebook as an example, if the use of more than two years, battery endurance only before less than 40%, at this time with the help of association precision Correction Tool, can restore battery to more than 80%. For Lenovo's old notebook, it is recommended to upgrade the new version of the Power management software, and then the battery charge can not charge until.
1. Double-click the Power Management icon in the taskbar to select the maximum endurance time mode.
2, click the "Settings" button, switch to the Battery Maintenance Settings page, click the Start button, and then a prompt will pop up, close all application processes, and make sure that the AC power adapter is connected and that the battery accuracy correction is being processed when you click the Continue button.
3, to wait patiently, the battery status will show "power is connected, not charged." When the "battery accuracy correction" is ejected, click the "Confirm" button and the battery status will show "power is plugged in and charging", indicating that the battery correction was successful. Full of electricity, you will find that the endurance time has been restored.
Method Two: Revise the battery in the notebook
In order to facilitate the user to modify the battery, some of the notebook will be in the BIOS integrated battery correction tool, for example, Asus A6ja Pen,
1, first for the battery charging, to ensure that the normal boot, when the power-on press F2 key to enter the BIOS setup interface. Switch to the Power menu, set the LCD powersaving option to OFF, or turn off the display energy-saving mode.
2, positioning the cursor to the "Start Battery calibration" option, enter the battery after entering the check prompt interface, this time to ensure that the AC adapter has been plugged in.
3, wait for a while to let the laptop charge for the battery, when the screen appears "please remove AC adapter" information, indicating that the battery is full. Then unplug the AC adapter, keep the computer on until the battery runs out and the batteries will be shut down automatically after discharging, then the AC adapter will be charged.
Method Three: Use the third party software to revise the battery
What if the laptop doesn't have a built-in battery modifier? At this point, you may wish to use the Batcal (point name can download) software to correct the battery. The author of BenQ S42 notebook as an example, the use of two years, battery endurance only about 50%, at this point, connect the AC adapter, the battery can not charge until.
1, run the Batcal tool, click the "Set Slow Discharge" button, select a slow discharge mode.
2, click the "Begin Calibration" button, then the "Power Options" window pops up, it is recommended to select "Portable/Pocket" mode, and all items under the use scheme are set to "never".
3, the screen saver also closes, click the OK button, then you will be prompted to discharge, after discharge, will pop up a prompt window, prompting you to unplug the AC adapter, when the battery is fully used up, the system will automatically shutdown, and then plug in the AC adapter normal charging can be. If you want to discharge quickly, you should choose "Fast discharge" mode, while the screen brightness to the highest, and in the discharge process can not operate the notebook.
Method IV: Use the self-tape program to correct the battery
1, if the savings have been upgraded to the WIN7 system, you may wish to use the Win7 built-in features to modify the battery, by entering the "Power Options" interface, select the "High-performance" power Plan.
2. After you click Change Schedule settings, set all the options under battery to never, and set the Adjust brightness plan to the maximum value.
3. At this point, click Change Advanced Power settings, expand wireless adapter settings → save energy mode, and set "use battery" to maximum performance.
4, expand the "battery → low battery charge", the "use of battery" set to "closed." After saving the settings, close all applications, when the battery is full, unplug the AC adapter, battery power until the end of the automatic shutdown, the final shutdown in the state of the battery can be filled.