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I am hoping someone on this forum may have the answer to my battery charging woes. The laptop runs fine on Fedora 11 after changing from Ubuntu in the hope ...
- 11-06-2009 #1Just Joined!
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no battery charging on acer 5315 laptop
I am hoping someone on this forum may have the answer to my battery charging woes. The laptop runs fine on Fedora 11 after changing from Ubuntu in the hope that the battery charging problem might be solved.
Laptop will only run properly with the mains connected and the battery removed otherwise if the battery is left in it charges for a few minutes only then reverts to battery only which is now flat and then shuts down through lack of power.
After looking around various forums etc etc it seems a few other people have similiar problems and various ideas have been mooted.
Install Advance Power Management to replace Gnome
or just disable power management in gnome
or boot with "noacpi" on the kernel command line (in grub)
or just try out another distro maybe without gnome - is kde what to look for !
Any ideas welcome and as I am a linux learner I would need help with any suggestions -
Thanks
- 11-06-2009 #2Linux Guru
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I doubt that the problem is software related. The ACPI and power management functions are intended to control CPU speed and enable/disable unneeded hardware (serial/parallel ports, etc) in order to maximize battery life. However, the charging circuits are hardwired. If it is plugged into mains, the battery should be charging if it isn't already fully charged. The problem is most likely with the battery, though it is possible the problem is in the charging cirtuit itself. However, the fact that you have to remove the battery in order to use the unit when plugged in suggests the problem is with the battery. Hopefully it is still under warranty.
Sometimes, real fast is almost as good as real time.
Just remember, Semper Gumbi - always be flexible!
- 11-06-2009 #3Just Joined!
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Thanks for the input - I do appreciate it - however, did a vista re-install inbetween all this fiddling around and you can almost guess - the battery charged okay - so now on a fedora 11 clean install and the battery is almost flat again.
Also other fedora users have fun with the battery charging
Power management in F11 is buggy - FedoraForum.org
Can you really put gnome from fedora 10 into fedora 11 - is that possible...
Tried boot with "noacpi" on the kernel command line (in grub) - I hope I did this correctly - it made no difference except, probably clutching at straws here - I thought it waited slightly longer before cutting out charging...
- 11-06-2009 #4Linux Guru
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Hmmm. Well, I suppose it could affect the charging cycle. It depends upon the system hardware design one would presume. Have you tried something other than Fedora, such as Ubuntu?
Sometimes, real fast is almost as good as real time.
Just remember, Semper Gumbi - always be flexible!
- 11-06-2009 #5Just Joined!
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Tried Ubuntu before Fedora. Knowing acer they probably have some special system
only known to themselves. Googling around - there are lots of battery troubles involving mostly acer laptops in a linux sense.
Although it's beyong my knowledge could this solve the problem
Power Management
- 11-06-2009 #6Linux Guru
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Sorry. My laptops are all Dell, and I haven't had any Linux power management problems with them (3 laptops so far).
Sometimes, real fast is almost as good as real time.
Just remember, Semper Gumbi - always be flexible!
- 11-06-2009 #7Linux Guru
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BTW, have you tried a BIOS update? Also, since Acer does support Linux on a number of their laptops, perhaps there is something on their support site? At least, if they have Linux for yours or a similar laptop, then you should be able to download and use that version, or download the source and see what they are doing to manage the charging system. I know, it's a SWAG, but that's about as far as I can go to help (such as it is).
Sometimes, real fast is almost as good as real time.
Just remember, Semper Gumbi - always be flexible!
- 11-06-2009 #8Just Joined!
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Will try and find out what distro acer use on other laptops...
Also, just a thought but older distro seem to be fine on my acer...
for instance ubuntu 8.04 or fedora 9
Would you know what the power management differences are or is it an
older version of kde or gnome etc etc
- 11-06-2009 #9Linux Guru
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Good questions all. Please share what you find out.
Originally Posted by smokeyone 
Sometimes, real fast is almost as good as real time.
Just remember, Semper Gumbi - always be flexible!
- 11-06-2009 #10Just Joined!
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One last idea before I look into acer distro. Thought of giving kde a go - I think it has it's own power management - could be different.
I think I understand about terminal/root/su - c 'yum groupinstall kde' well it's downloading now - but sessions comes next.
Could you explain please - in sessions choose kde........
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