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Old 01-04-2014, 08:19 PM   #1
Registered: Mar 2011
Location: Brisbane
Distribution: Windows 10, Red Hat, Debian
Posts: 183

Rep: Reputation: 22
Ubuntu13.10 HP laptop install. UEFI/graphics problem ?

Hey guys,

I've recently purchased a laptop for college this coming semester. Its a HP pavilion 15. AMD quad core, 8 gig ram with radeon graphics.

I've installed ubuntu and a number of other distrubutions plenty of times but i'm stuck with this one. I've tried just about every result on google for the first 3 pages and still nothing.

Downloaded Ubunutu, use unetbootin to convert to bootable iso. Ubuntu boots perfectly connect to internet, surf around check what services are running, just getting a feel for the distro. Time to install, everything goes well. Please restart your computer.... do that..... trouble.

First of all i see GRUB, it gives me three options.
1.  Ubuntu
2.  Advanced options for Ubuntu
3.  System setup
I hit Ubunutu, get a black screen, displays two lines.
    KVM: disabled by BIOS
    KVM: disabled by BIOS
Then i get dropped into a black screen with a login prompt
 omenscomputer Login:
Before i can type anything a notice appears.
[drm:radeon_acpi[init] * ERROR cannot find backlight controller
Then to a Ubuntu screen
    The system is running in low graphics mode. ((Get 4 random options   that dont do anything anyways.)))

This is my BIOS settting

Network Boot Protcol == IPV4 + IPV6 UEFI
Legacy Support == disables
Secure boot == enabled

Internal CD/DVD drive
USB cd/dvd rom drive
usb diskette ...
OS boot manager
! network adaptor.

I'm not sure if this is a UEFI problem, but i have a feeling from what i've written above its got something todo with the radeon graphics ? The reason i didnt think it was radeon is because, before the install Ubuntu was working fine :/

If anyone has any help to offer that'd be great right now, as my new PC is compltely unusable. Note: that i dont run windows, although the PC came with Windows 8(kill me) i want to wipe that completely and just run Ubuntu.

Thanks again.
Old 01-05-2014, 01:40 PM   #2
Senior Member
Registered: Dec 2013
Distribution: Slackware
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Disable secure boot.


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