Laptop Battery Care and Maintenance
Users running Windows 7 might receive this message: “Consider replacing your battery. There is a problem with your battery, so your computer might shut down suddenly.” You upgraded your laptop from XP or Vista to Windows7. You know that the battery is good. But now you are getting this error message. What do you do?
Microsoft has acknowledged the problem and are working on a solution. Although Microsoft has reported selling some 60 millions Windows 7 licenses, certainly a hit from any standard. A google search shows over 73,000 hits for the “consider replacing your battery” search spec. There is certainly a problem with the battery and Windows7.
Some of the suggestions for repair center on upgrading the BIOS. And while some users at a Windows7 forum have tried that, they continue to report that the problem has not gone away.
How serious is the problem?
The most common complaint seems to be that battery life which used to last between 1.5 hours and 2 hours, is now less that 30 minutes. Some users at the forum are down to 15 minutes of battery life time.
Indeed, some users have complained that their batteries have been permanently damaged by the drainage problems.
Other problems reported are that the laptop will suddenly go into hibernate mode without warning.
A Work Around
It could help to avoid automatic switching off and keep the information about battery charge:
Another possible work around solution: Calibrate the Battery
Another way to address this issue is to pursue the following strategy: completely drain the laptop and attach the A/C adapter to replenish the battery system.
1.Fully Charged Up the Laptop Battery to 100 % , then unplugged power cable, and I let the battery drain. Upon reaching 99 % drainage you will start to get the message … consider replacing….
Source of the Problem
The laptop drainage issue dates back several months, to the Windows 7 beta. But many others state that the problem became more visible until the final “release to manufacturing” (RTM) build. This change in behavior happened when Windows7 went from an RC to RTM.
Microsoft has acknowledged the issue, saying it’s related to the way Windows 7 reads system firmware. “We are investigating this issue in conjunction with our hardware partners. The warning received in Windows 7 uses firmware information to determine if battery replacement is needed. We are working with our partners to determine the root cause and will update the [Technet] forum with information and guidance as it becomes available.”
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