Linked by Thom Holwerda on Mon 8th Feb 2010 23:55 UTC
Windows The past few weeks or so, there's been a lot of interest in a supposed battery status report bug in Windows 7. After installing Windows 7, some users reported seeing "consider replacing your battery"-warnings in systems that appeared to be operating just fine on Windows XP or Vista. After extensive research, Steven Sinofsky has now explained on the Engineering 7 blog that the fault is not with Windows 7 - it really, really is your battery.
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RE: Two issues
by darknexus on Tue 9th Feb 2010 03:09 UTC in reply to "Two issues"
darknexus
Member since:
2008-07-15

I can't say I've seen a 50% decrease, but I've seen some issues where by Windows 7 will not get as much life out of a battery as XP or Linux. I've seen about a 15% reduction on some machines, and I'm 99.99% sure that it wasn't due to an unhealthy battery. I suspect, personally, it was the result of badly-behaved acpi bios coupled with no acpi drivers for win 7 on those machines, while XP and Linux both had support for all the ACPI features once configured. As is typical with Windows, the majority of problems aren't caused by Windows itself but by incompatible and/or poorly-written drivers. Other than Malware, drivers are the number one problem I see when dealing with Windows and I suspect it is mostly that to blame for reduced battery life under 7 on a lot of machines.

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