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Main => Software Forum => Linux => Topic started by: d4damage on April 16, 2014, 06:23:30 pm

Title: Lubuntu - Flashing Screen
Post by: d4damage on April 16, 2014, 06:23:30 pm

Hi,

When I try to boot the latest Lubuntu live cd from usb, it gets as far as showing the mouse pointer just before the desktop would normally load but then the screen flickers/flashes without end and never finishes loading.

Anyone know how to resolve this ?

Thanks

Title: Re: Lubuntu - Flashing Screen
Post by: nitrogen_widget on April 17, 2014, 04:59:04 pm

Sounds like it doesn't like your graphics card.
I don't know Lubuntu but other linux distro's have a safe graphics option at the main menu.

you can try that.

Title: Re: Lubuntu - Flashing Screen
Post by: General_Faliure on April 18, 2014, 09:24:20 am

What hardware / version of Lubuntu are you using.
14.04 has just arrived.
My cab is running Lubuntu, and doing fine for years now.

Title: Re: Lubuntu - Flashing Screen
Post by: d4damage on April 19, 2014, 02:48:01 pm

Quote from: General_Faliure on April 18, 2014, 09:24:20 am

What hardware / version of Lubuntu are you using.
14.04 has just arrived.
My cab is running Lubuntu, and doing fine for years now.

I've been trying to use the 13 version.

It's an onboard video chip.

Any idea how to boot with the safe vga option ?

Title: Re: Lubuntu - Flashing Screen
Post by: Louis Tully on April 29, 2014, 02:32:01 pm

.

Title: Re: Lubuntu - Flashing Screen
Post by: d4damage on May 04, 2014, 01:16:23 am

Quote from: Louis Tully on April 29, 2014, 02:32:01 pm

Quote from: d4damage on April 16, 2014, 06:23:30 pm

Hi,

When I try to boot the latest Lubuntu live cd from usb, it gets as far as showing the mouse pointer just before the desktop would normally load but then the screen flickers/flashes without end and never finishes loading.

Anyone know how to resolve this ?

Thanks

Try setting NOMODESET to the boot option.

This will give you some info on it.
 http://ubuntuforums.org/showthread.php?t=1613132 (http://ubuntuforums.org/showthread.php?t=1613132)

Thanks Louis.

It's now got a box floating around the screen saying the refresh rate is out of sync (black background).

What should I try next ?

Title: Re: Lubuntu - Flashing Screen
Post by: Louis Tully on May 04, 2014, 06:06:10 am

.

Title: Re: Lubuntu - Flashing Screen
Post by: General_Faliure on May 04, 2014, 10:27:00 am

What videochip do you have?
Try to use the latest Lubuntu (i just updated my cab to it)
Maybe you can add a dedicated videocard, it doesn't have to be expensive, in my previous setup i used a geforce 5200, which worked fine.

Title: Re: Lubuntu - Flashing Screen
Post by: d4damage on May 07, 2014, 07:18:45 am

Not sure, it's a prebuild bartop cab.

Title: Re: Lubuntu - Flashing Screen
Post by: General_Faliure on May 07, 2014, 08:48:03 am

Can you try  "ctrl-alt-F1" which should give you a black screen with a cursor.
Then type "lspci" which should give you a lot of info about your hardware, including your graphics chip.
The latest (L)ubuntu should work with almost anything if it's not too old.