Asus a88m-e Not allowing me to use usb as boot device

aniseactive · Feb 11, 2016

Hello,
I have recently built my own computer and I am trying to install Ubuntu on from a flash drive but I cant seem to find out hoe to do that.
ive set the usb to full initialization in the bios, all my usb ports are enabled
i've made sure it is in a usb 2.0 port
ive tried disabling the secure boot and it didnt make a difference so i re enabled it
ive tried turning csm off, again no difference so i turned it back on.
tried turning fast boot off, no difference so its back on and ive also messed around with legacy usb support and I currently have it set to hard disk.

at this point I don't know what to do.

skittle · Feb 11, 2016

How did you make the usb?

aniseactive · Feb 12, 2016

skittle :

I downloaded ubuntu on another computer and i copied it to my flash drive.

skittle · Feb 12, 2016

You cant just copy the files.

Either use a command like this to directly write an image to usb:

Code:

sudo dd if=ubuntu.iso of=/dev/sdb

You can also write syslinux or grub to the usb mbr and make it bootable

Or from a windows pc use a tool like linuxliveusb

aniseactive · Feb 12, 2016

skittle :

You cant just copy the files.

Either use a command like this to directly write an image to usb:

Code:

sudo dd if=ubuntu.iso of=/dev/sdb

You can also write syslinux or grub to the usb mbr and make it bootable

Or from a windows pc use a tool like linuxliveusb

Thank you.
Is this possible to do on a chromebook?

skittle · Feb 12, 2016

Yes open the shell and run commands as root (sudo or su)

aniseactive · Feb 12, 2016

Thx a ton!

aniseactive · Feb 12, 2016

skittle :

I did this and it said no such file was found in the directory .
I also tried the exact name and that didn't work either

srpandey · Feb 13, 2016

It seems you laptop has UEFI. If that's right then don't disable secure boot etc.
Format the USB in fat32 format.
Mount the ISO file and copy the contents to the USB.

skittle · Feb 13, 2016

aniseactive :

you have mistyped something then. commands are case sensitive and must be exact path to the iso and usb device. ie

Code:

sudo dd if=/home/skittle/downloads/ubuntu-15.10-desktop-amd64.iso of=/dev/sdb bs=4M

alternatively you can cd to the directory first:

Code:

cd /home/skittle/downloads
sudo dd if=ubuntu-15.10-desktop-amd64.iso  of=/dev/sdb bs=4M

where /dev/sdb is the path to the usb device

aniseactive · Feb 13, 2016

skittle :

aniseactive :

you have mistyped something then. commands are case sensitive and must be exact path to the iso and usb device. ie

Code:

sudo dd if=/home/skittle/downloads/ubuntu-15.10-desktop-amd64.iso of=/dev/sdb bs=4M

alternatively you can cd to the directory first:

Code:

cd /home/skittle/downloads
sudo dd if=ubuntu-15.10-desktop-amd64.iso  of=/dev/sdb bs=4M

where /dev/sdb is the path to the usb device

Ok I realized I mistyped somthing but when I entered the command it said
/dev/sdb permission denied

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Asus a88m-e Not allowing me to use usb as boot device

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