ATI Mobility Radeon HD 3450 - dark screen and frozen laptop

[emil schwab2]

Dear Sirs and Madams 

I spent 4 days with these tricks under guidance over the irc channel. It doesn't work. xfix doesn\t work. I used EnvyNG to instal ATI s catalyst driver for HD3xxx and it didn t work too. I am on Live CD now. I can't reverse back the driver installation by Envy. There is a commnad line with F6 but what commnad to type. Could it be something with Bios or refresh rate?





--- On Wed, 6/3/09, NoOp <glgxg at sbcglobal.net> wrote:

From: NoOp <glgxg at sbcglobal.net>
Subject: Re: ATI Mobility Radeon HD 3450 - dark screen and frozen laptop
To: ubuntu-users at lists.ubuntu.com
Date: Wednesday, June 3, 2009, 7:09 PM

On 06/03/2009 09:04 AM, emil schwab2 wrote:
> Hi,
> 
> I feel very frustrated. I bought a laptop. Esprimo Mobile V6545. Made
> by Fujitsu Siemens. With an ATI Mobility radeon HD 3450 card.
> 
> I installed Ubuntu 9.04 (32 bit) with a Live CD. It worked only if I
> chose Safe Graphics Mode with F4 at the beginning of the
> installation. Otherwise not, the screen becomes dark and the laptop
> is frozen, no key works, except Alt+Prtscr+Fn+B.  Which reboots the
> machine.
> 
> Ok, I said. I installed Ubuntu as I could. After that it reboots from
> hard disk. But the resolution I could see was only 1024x768 and
> 800x600 with the only refresh rate of 61Hz.

Try rebooting in recovery mode (second kernel option at the grub boot
screen) and run the xfix option. Afterwards, continue to boot (resume I
think - it's the first option on the recovery menu. See if that changes
anything & post back.


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