*** This bug is a duplicate of bug 980793 ***
https://bugs.launchpad.net/bugs/980793
Public bug reported:
In certain situations(A list follows), my graphics card(Nvidia GTX 590), and my
integrated graphics card(Nvidia 6150SE) both receive invalid data, causing my
monitor to err with 'Frequency out of range'. I have also tested other
monitors, with the same results.
This occurs when:
1)I am booting and am at grub2.
2)Ubuntu is booting after Linux has initialized, but before the X window system
or LightDM have loaded.
3)I attempt to access one of the linux real terminals with [CTRL]+[ALT]+[F1-F6]
([F7] returns to X window system)
4)For a second after logoff, until the logon screen displays normally.
Note:This appears to happen with all of the Nvidia driver versions, and nouveau.
This bug should get some importance as if bootup fails, it is
next-to-impossible to diagnose it without seeing the terminal.
I have seen this starting with Natty, and continuing with Oneiric.
I am using Ubuntu 11.10 amd64, on a custom-built PC.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: graphics linux xorg
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https://bugs.launchpad.net/bugs/980794
Title:
All native Linux terminals and Grub unreadable
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