HP G62 battery - time remaining never shown

Hi,
I have an HP G62 and am very pleased with it.  However, there is one little annoyance in that in Windows 7, the battery percentage is always shown but never with an amount of time remaining.  I also use Ubuntu, and the problem presents itself in more ways there:
The time remaining is never shown but the percentage is
In Gnome Power management, a 'rate' or 'voltage' is never shown - ie it's always zero
The 'Energy when full' and 'Energy (design)' figures change every reboot.
I read somewhere that a BIOS update may sort this issue but I've upgraded to F46 and still no progress.  I've also done a full calibration of the battery and still it seems no operating system can read a discharge rate for the battery.
Other people have reported this as a bug in Ubuntu https://bugs.launchpad.net/ubuntu/+source/gnome-power-manager/+bug/661759 but I think it's more a hardware fault.  Has anyone else experienced the issue and does anyone know of a fix?

I have an sd card and a cf card running ubuntu 10.10 on an external card reader.  On an nc4400 and a tc4400 everything reads as it should in the power manager.  The battery indicator at the top shows time remaining and the design capacity always stays the same.
I think a lot of the problem is in the bios in that it's the bios that allows the os to see the sensors.  Over the years computer manufacturers have taken out a lot of options in the bios. I think that they think that we are too dumb to choose the right settings in the bios and that we cause a lot of warranty problems by changing settings in the bios. For instance virtualization.
That's kinda why I stay with the older machines, I like being able to change my settings.  Plus, there's not a whole lot of modded bios out there for hp's because hp locks their bios down pretty tight.  That's why we can't get a fan control to work like you can for thinkpads. I don't have any solutions for you  but I do feel your pain.  I would love to get a new machine, but I just don't trust them.
I don't think it's any kind of hardware problem though. I really think it's in the bios.  You might try going on MyDigitalLife and poking around there, that would be the place to find a modded bios if there was one.  Or maybe another solution. 
Did someone help you? Pay it forward. Help someone else.
NC4400, TC4400 Win 7 Ultimate, xp pro, both dual boot
a bunch of thinkpads

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