0
votes
2answers
1k views

ACPI startup error on ubuntu 11.10 but worked on 11.04

i have looked around quite a bit for an issue like this, but cant find anything. I had Ubuntu 11.04 running on my desktop with no issues. I then formated the drive to install 11.10. I managed to get ...
7
votes
0answers
3k views

How to make powertop “Device Power Management” suggestion permanent? [duplicate]

When I run powertop on my laptop I get following suggestion: Suggestion: Enable Device Power Management by pressing the P key Doing this results in considerable saving in power usage and I would ...
7
votes
3answers
3k views

ACPI issue, help to fix broken DSDT on an HP Pavilion DV6-6008el

I'm having a hard time fixing the ACPI subsystem of an HP laptop (Pavilion DV6-6008el, Ubuntu Natty 64-bit). I can boot only if acpi=off is specified as kernel parameter in grub, otherwise blank ...
1
vote
4answers
1k views

Thinkpad T410 abnormal power consumption and brightness keys behaviour

I've recently installed 11.04 on a fresh Lenovo ThinkPad T410 with a 9-cell battery, but it totally drains up from full battery after about 2:30 - 3:00 hours of normal use (mainly web surfing). The ...
3
votes
1answer
3k views

Help to fix acpi on my HP Pavilion DV6-6008el

Update: further details related to the issue in this other question. I'm able to boot my laptop only adding acpi=off as kernel parameter in grub configuration file. Without this parameter the system ...
3
votes
2answers
1k views

Battery not recognized on my laptop (and it recognizes my laptop as a desktop)

I have installed Ubuntu (both 10.10 and 11.04 pre-release) on my laptop but my battery is not recognized and it is detected as a desktop system rather than a laptop. I have tried to get the output ...
1
vote
1answer
782 views

Dell Vostro 3400 reboots instead of shutting down

Well the title says it all. After the GUI button of shutdown responded to reboot. I have tried all the command there is but every time I shut down my laptop it reboots. I tried sudo halt sudo ...