Ubuntu

AMD catalyst 14.6 driver black screen

Asked by Andrew

How can I restore the open source driver so I can work out the issue?

Steps taken:
1. Download & unpack from
http://support.amd.com/en-us/kb-articles/Pages/Latest-LINUX-Beta-Driver.aspx

2. Ctrl + Alt + F1 & login to terminal

3. sudo service lightdm stop

4. sudo -i

5. cd /home/user/ < unpacked >

6. ./amd-installer-****.run

7. Install finishes so I do a sudo service lightdm start ( Screen now goes black)

The computer can boot with "ubuntu" on screen but then login (Unity) and TTY1 (ctl + alt + F1) are both unavailable

Other info:

AMD Catalyst 14.6 Beta
ATI Mobility Radeon HD 5470

xorg version 7.7
kernal 3.13
OS 14.04.1

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Andrew
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Revision history for this message
actionparsnip (andrew-woodhead666) said : 		#1

Why did you not use the additional drivers application under system settings?

It installs the driver for you....

I suggest you uninstall the driver you installed then use that.

Revision history for this message
Andrew (am-public-o) said : 		#2

I was having trouble with the built-in drivers consuming too much mainboard ram. The onboard GPU ram was only being utlised to a max. 25%. That and not having catalyst control centre.

Anyway, AMD claimed support for "Ubuntu 14.04" was a 'feature' of version 14.6 (I believe proprietry ubuntu repos is at 13.3 now?)

For anyone interested - the way to uninstall without a GUI and ssh access is as follows:

Ctrl + Alt + F1

<username> then <enter>
<password> then <enter>

sudo -i
<root_password> then <enter>
# sh /usr/share/ati/fglrx-uninstall.sh --force

Wait a few minutes (check HDD light for status)

# reboot

Revision history for this message
actionparsnip (andrew-woodhead666) said : 		#3

sudo -i

Uses your users password, not root's

By default the root password is not set in Ubuntu and the account is disabled. This is for a great many security reasons