Gateway 7405GX Hardware Reference - Page 35
Recalibrating the battery - laptop
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www.gateway.com Recalibrating the battery Recalibrating the battery Important Do not interrupt the battery recalibration process. If recalibration is interrupted, you must start the process over again. If your notebook unexpectedly goes into Standby mode while you are using it but the battery charge is not low, you may need to recalibrate your battery. You should also recalibrate the battery periodically to maintain the accuracy of the battery gauge. To recalibrate the battery: 1 Close all open files and programs. 2 Connect your notebook to AC power and let the battery charge completely. 3 Disconnect the AC power and restart your notebook. 4 Completely discharge the battery by doing the following: a From the desktop, right-click on the power icon, then select Adjust Power Properties. b Click the Power Schemes tab. c Click the arrow button to open the Power Schemes list, then click Always On. d Click the Alarms tab. e Click to clear the Low battery alarm and Critical battery alarm check boxes. Let the battery drain until your notebook automatically turns off. f Click OK. 5 After the battery is completely drained, reconnect your notebook to AC power. 6 Charge the battery completely until the battery status indicator turns blue. 7 When you are ready to use your notebook again, do the following: a From the desktop, right-click the power icon, then select Adjust Power Properties. b Click the Power Schemes tab. c Click the arrow button to open the Power Schemes list, then click Portable/Laptop. d Click the Alarms tab. e Click to select the Low battery alarm and Critical battery alarm check boxes. f Click OK. 31