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Increasing colour depth 
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mepisuser

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Post # 299262
Post Increasing colour depth
Using M11 with GeForce 6200 AGP card / HannsG HH241 monitor.

According to Xorg.conf, the colour depth is 24

Can I increase this to 32 which I assume refers to 32bit?

Editing xorg.conf directly, KDE failed to launch.

What's the right approach?

Thanks
Sun Apr 29, 2012 11:52 am
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richb
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Post # 299263
Post Re: Increasing colour depth
mepisuser wrote:
Using M11 with GeForce 6200 AGP card / HannsG HH241 monitor.

According to Xorg.conf, the colour depth is 24

Can I increase this to 32 which I assume refers to 32bit?

Editing xorg.conf directly, KDE failed to launch.

What's the right approach?

Thanks

Setting it to 32 will probably make no appreciable difference.

Quote:
Many modern desktop systems (Mac OS X, GNOME, KDE, Windows XP/Vista/7, etc...) offer an option for 24-bit truecolor with 8 bits for an alpha channel, which is referred to as "32-bit color". When switching to an 8/16/24-bit color option in those systems, generally transparency/translucency effects are disabled, and the only reduction in color depth is seen when going to 8/16-bit color.


http://en.wikipedia.org/wiki/Color_depth

The extra 8 bits are used for transparency.

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Rich

Acer Laptop 5750G: Intel i5, 4 GIG mem, nVidia GT540M/Intel integrated graphics
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M12 Alpha 2 in VirtualBox

Sun Apr 29, 2012 12:00 pm
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mepisuser

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Post # 299264
Post Re: Increasing colour depth
Thanks for that richb.

I just had the idea that increasing colour depth might remove the black dashes from across the top of the screen which I'm advised is a Plymouth issue!
Sun Apr 29, 2012 1:03 pm
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DBeckett
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Post # 299294
Post Re: Increasing colour depth
mepisuser wrote:
I just had the idea that increasing colour depth might remove the black dashes from across the top of the screen which I'm advised is a Plymouth issue!

A workaround for that is to press Ctrl+Alt+F1, then press Ctrl+Alt+F7.

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Mon Apr 30, 2012 4:10 pm
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mepisuser

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Post # 299295
Post Re: Increasing colour depth
Thanks for that DBeckett - it worked, the black dashes have gone!

What does Ctrl+Alt+F1 / Ctrl+Alt+F7 actually do?
Mon Apr 30, 2012 4:18 pm
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mepisuser

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Post # 299296
Post Re: Increasing colour depth
Apologies DBeckett


What I should have asked, to be more precise, is what does the key sequence do regarding Plymouth when switching to console and back to desktop to solve the black dashes problem?
Mon Apr 30, 2012 4:24 pm
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DBeckett
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Post # 299298
Post Re: Increasing colour depth
mepisuser wrote:
Apologies DBeckett

What I should have asked, to be more precise, is what does the key sequence do regarding Plymouth when switching to console and back to desktop to solve the black dashes problem?

My best guess is that it changes some obscure parameter in the Nvidia driver. Perhaps someone smarter than I can be more specific.

My own solution was to uninstall Plymouth, which I never cared much about anyway.

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Mon Apr 30, 2012 6:16 pm
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mepisuser

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Post # 299334
Post Re: Increasing colour depth
If its a issue of how the Nvidia driver software and Plymouth work together then would I be right in thinking someone with coding experience can code a fix and post the solution on the forum?
Wed May 02, 2012 4:25 am
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Utopia
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Post # 299362
Post Re: Increasing colour depth
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If its a issue of how the Nvidia driver software and Plymouth work together

Don't think any of the regular forum members can write code. And even if they could, Nvidia drivers are very difficult to hack. The standard solution is to remove Plymouth. It fills no purpose and is only there because the reviewers expect it in a modern distribution.
Henry
Wed May 02, 2012 11:54 am
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