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Microsoft ACPI Compliant Control Method Battery - Not doing much!
A couple of weeks ago my laptop decided to start displaying a red cross over the battery icon, there is also a warning message saying something along the lines of (I use a Japanese version of Windows so I am translating so might not be exactly what it says in the English version) "Due to a problem with the battery, the computer may suddenly shutdown". The battery is less than a year old and was working fine until this message suddenly appeared so I thought it may be a driver problem. On the suggestion of internet sources I uninstalled the Microsoft ACPI Compliant Control Method Battery driver, restarted and allowed it to reinstall itself when it scanned for new hardware changes. The problem was still there though and now the driver doesn't seem to work at all, so none of the power profiles/turn off screen after X minutes type functions seem to work.
Suggestions on how I could fix one/both of the problems?