Microsoft has confirmed it is investigating a problem causing some Windows 7 users to receive incorrect battery warnings on their laptops. The warning is triggered when a laptops BIOS detects a battery replacement is required. Windows 7 provides the following alert: "Consider replacing your battery. There is a problem with your battery, so your computer might shut down suddenly." Microsoft officials said on Tuesday the company is looking into the issue, "we are investigating this issue in conjunction with our hardware partners, which appears to be related to system firmware," a Microsoft spokesperson confirmed.