Introduction
After waiting for a long time. The brand new Ubuntu 9.04 was released at 23th April 2009. It’s called Jaunty Jackalope. I think this release is very impressing, because it have a new linux kernel 2.6.28.11 which have more driver database and more efficient.
As fas as I use, Ubuntu 9.04 boot process is more faster with Ext4 filesystem support which have some advantages in energy use and performance. . .(to see more changes on Ubuntu 9.04 click here)
All right, now we’ll install the fast Jackalope to Acer Aspire 4520. Here is some stuff that we need :
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Ubuntu 9.04 Desktop i386 LiveCD ISO (download here)
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1 GB or more flash drive, if you prefer use the USB than the burn the CD one
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a little patience?? just a little, because the install process is reliable fast
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Acer Aspire 4520, :p
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a cup of coffee and meal.. ,
USB Flash Install
In this install i’ve use a little difference procedure, yeah I install the jaunty from the USB flash drive, because my ODD was bad 
. If you don’t want to use this procedure, you may skip this steps.
Download the isotostick.sh script here
To make a USB flash drive bootable we’ll “install” our downloaded LiveCD ISO to this. The script run smoothly on a Linux platform of course (I used a Ubuntu Hardy). Place the script in the same directory with the ISO.
Here is the example command to make a Jaunty on USB with this script :
$ sudo ./isolinux.sh isoname.iso /dev/sdxX
which “isoname.iso” is our downloaded iso name and “sdXx” is our USB flash device
After a minutes, the live USB are ready to use. Just choose the USB flash as your boot device in BIOS.
The Jaunty Install.
Live USB/ Live CD comes with same procedure, choose the “Try Ubuntu” and the CD will boot up.
After boot process, the desktop will ready. Click “Install” and follow the following screenshots:
The installation just simple, but don’t forget to change our keyboard layout to “Choose your own” with USA – International (AltGr dead keys) so our Alt Gr will functional.
The screenshot is just for the example, I choose a manual partitioning. But the important is we have to have a Ext4 partition with “/” as a mount point and have a swap device. The other device is depend to your needs. If you have a question about partitioning, just ask me. I’ll help you as I can 
Now is the user, boot loader and migrate steps . .just change as you want..and choose restart now to reboot your system and boot the HD to see the change!!
Finishing . .
After the LiveCD/USB installation finished, the Jaunty are ready to use!!!
Sound works!! Webcam works, install cheese to check it,
But wait how about the screen?? my screen resoulution is too big!! and the compiz doesn’t work!!
To enable the nVidia GeForce 7000m Graphic Card, just activate the propietary drivers via :
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System > Administration > Hardware drivers
choose the “version 180”
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Or type sudo apt-get install nvidia-glx-180 on terminal
We don’t have to enable the madwifi driver, as long the built-in driver works well,
to check this, type iwconfig at terminal, the wlan0 interface will appeared
Thank you, question or comment are welcome . . .
sorry that i’m just a newbie . . I just want to share 
~abz~
Hello…i cant shutdown the laptop. After shutdown command, the screen gets black and shut down only after pressing the enter key¿¿??
ya . . .me too,
but the probabilty to failed on shutdown is just 10-15% . .
hmmm, i dont know what the causes . .
maybe some update will fix it!!!
thx u for comment , ,
thx bro,,,,,, i try tu my laptop…..
Hi,
mine dont shutdown too… i need tap any key to complete something…
Any one here hava a problem with the sound after do the updates??
Thx
Hi.. I’ve downloaded nvidia 180.44 .deb manually,
After installed it when I was try to push the restart button, nothing happened..
Only nvidia 180.27 .deb which I can get it restarted, but it also buggy (I got black screen)
Now I stuck with nvidia 173 version..
Any ideas….. (my laptop is also an acer 4520, thanks)
@zakt
u’re welcome . .
@Alex
yaaa i’ve some problem too . . after some updates . .
my shutdown/restart not working without press/tapped some keys . .
the pulse audio have some bugs too, it’s always be muted every the system login . .
@Iam
owh, you’ve downloaded manually from ubuntu repo?? or??
i don’t try the manual download/install procedure before. .
i suggest that u install the .deb that’s on available from ubuntu repo . .
thx 4 all . . .:D
Hi, i have the same laptop, with same version of ubuntu, 64 bits with ext4, and too no shutdown, without press keys.
If any know the solution please post here.
Thanks.
i have an acer 4520, y i have the same problem i need to tap any key for a complete shutdown, this problem became with intrepid ibex, restart is ok,
i was wodering how set high definition audio, any suggest?
HDA is automatically, aren’t you??
the audio doesn’t need any configuration . .
pulse work nicely . .
i have nvidia geforce 7000m, installed nvidia glx 180. but display still too big (800×600). How to solve it.?
Does the wireless networking work?
And what about the onetouch keys
@novi
is the compiz enabled??
if the compiz doesn’t active, you might try
$ sudo nvidia-xconfig
and restart X
i’ve it works for you
@Andrew
yupz!! the wireless is work out the box!
you mean the onetouch wireless key??
hmmm, it’s not blinking . .
afaik, if you want it blinking, you’ve to install the wireless with ndiswrapper method. Just like on my Hardy . .
Thx 4 comment .
hi i tried to use micro phone but its not working
please help me to fix this
my os is ubuntu9.04
laptop:acer aspire 4520