Ubuntu
ubiquity package

How to increase battery backup and RAM etc

Asked by Joseph J K

I am using Lenovo Z570(304896) model laptop
specs
Intel core i5 2.30 Ghz
750 GB Hard disk
6 GB RAM
nVidia GEFORCE 520M 1GB RAM

My Porblems are
1) my laptop is heating up fast
2 )there is decrese in battery backup
3) I have installed 6 GB RAM. but "SYSTEM INFO" Is showing only 2.9 GiB of RAM
4) When i do "Alt + Tab" system crashes (the tittle bar and all other windows closes)

I did disabled my graaphics card through BIOS, But this only helped me to increse battery backup by half an hour..
Please help................

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actionparsnip (andrew-woodhead666) said : 		#1

you have a 32bit OS. The maximum RAM is 3.2gb. you can install the PAE kernel or reinstall with the 64bit OS.

The dual GPU technology causes all kinds of issues in Linux and I have never seen a success story with it.

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Joseph J K (joseph-eb) said : 		#2

is it possible to upgrade to 64bit from 32 bit without deleting any data

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Joseph J K (joseph-eb) said : 		#3

then what about "Alt + Tab". when i do it all title bar of eveery window i have opened vanishes. is there any solution for that........

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actionparsnip (andrew-woodhead666) said : 		#4

To change arch, you will need to reinstall. You can install the PAE kernel and access up to 64Gb RAM but it will be slightly slower than 64bit and each process will have a maximum RAM of 3.2Gb.

The weird GPU stuff may be causing the issue with the display. I'd upgrade to 64bit and it may help some. I suggest you grab the beta of Precise as it will save you having to upgrade later.

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Sam_ (and-sam) said : 		#5

Since you've mentioned all sorts of system specs but unfortunately not the Ubuntu version lets assume it's Oneiric 11.10.
I've linked the bug regarding alt+tab issue, which doesn't occur on Precise 12.04 and obviously isn't backported yet to Oneiric, not sure if it ever will since Precise will be released in April anyway.
Maybe try the daily current and create a separate /home partition which avoids issues with future (re)installations.
http://cdimage.ubuntu.com/daily-live/current/
https://help.ubuntu.com/community/DiskSpace

Although Precise is beta-1 status the 3.2* kernel incl. some power management improvements.
https://wiki.ubuntu.com/Kernel/PowerManagementRC6

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