Some methods to be adopted if the Ubuntu LiveCD does not start If the Ubuntu LiveCD does not start, there are several ways to start groped.
1: Make sure that the BIOS
the LiveCD is in first place in the boot devices
2: Before burning the CD of Ubuntu you should check the md5sum
; file
. iso Ubuntu follow this guide:
http://geek-ubuntu.blogspot.com/2011/01/confrontare-la-md5sum-di-unimmagine-iso.html ; Although it is advisable to check the dell'MD5Sum
before burning try running a check on file
. iso you used to create the Ubuntu LiveCD.
If you can instead to access the screen to select options, but Ubuntu does not start here of the methods to be adopted to solve this problem:
1: Press the F6
and select the option acpi = off
This disables the '
ACPI, which is the system for the management of
energy saving devices in some laptops need
off: poor recognition of 'ACPI
opening leads to failure of the installation CD.
PS: Disabling '
ACPI involves a rapid increase in energy consumption of the handset batteries.
2: Press the F6
and select the option noapic
and
nolapic This option turns off at the software level is the 'APIC
the
Local APIC .
3: Press the F6
and select
edd = on This option enables advanced services of the hard disk.
The LiveCD attempts to read from the BIOS
the boot drive, in which
will install the system.
4: Press the F6
and select
nodmraid This option disables the software raid for disk management.
5: Press
F6 key and select the option
nomodeset Selecting this option will use generic video driver.
6: Press the F6
and select the Free Software Only
It starts to install itself by excluding the non-free software.
If neither of these options work you can try to add custom options, here's how:
1: Press the F6
and browse the boot parameters line
2: Try to clear the string
splash - that in some configurations may generate conflict and a notable slowdown
startup of the system.
3: Try to delete the string
quiet to ensure that they are
see the kernel messages.
4: Add a string to disable a form
boot using the following syntax:
nome_modulo.blacklist = yes module_name Replace the words with the name of the module
since you want to exclude, for example
r8169.blacklist = yes The specified module will not load during installation and will
automatically inserted into the file / etc / modprobe.d / blacklist.local installed system, resulting in exclusion from future starts.
Source:
http://wiki.ubuntu-it.org/Installazione/ParametriAvvio I hope to be helpful.
you soon.
