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[cwsnyder <carlwsnyder@xxxxxxxxx>]

No real change in effect, Unity, GNOME 3.x, and Cinnamon still unusable.

Hardware was changed to a BioStar N68S38 motherboard/Athlon II x3 processor/8G RAM/Graphics:  Card: NVIDIA C61 [GeForce 7025 / nForce 630a] 
           X.Org: 1.15.1 drivers: nouveau (unloaded: fbdev,vesa) Resolution: 1280x1024@60.0hz 
           GLX Renderer: Gallium 0.4 on NV4C GLX Version: 2.1 Mesa 10.1.3
Monitor: Etronix 1701B 17" 1280x1024 LCD display does not give proper edid
I can now sometimes get a stable display on one of the three above DEs.until I attempt to actually open menu items, then the display freezes or goes for repeated pattern of dots on the screen, in either case the display freezes after a few seconds, requiring hard reset or power cycling
Knoppix with LXDE & Compiz works fine, as does Bodhi 2.x and 3.x and Xubuntu and Mate have remained working with no problems.
I am thinking that all three of the above do not handle the case where the edid is not returned from the monitor to the computer acceptably.
My only other monitor had been an old NEC Multisync II (800x600), but I obtained a Sansui model SLED 2900 I television/monitor and seeking confirmation.

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https://bugs.launchpad.net/bugs/756818

Title:
  Unity Live session nvidia  display unuseable

Status in Unity:
  Expired
Status in “unity” package in Ubuntu:
  Expired

Bug description:
  E-Machines T5212 Intel Pentium D805 2G/nVidia GeForce 6200TX 256M PCI-e add-on display card/Etronix 1701B 17" 1280x1024 LCD display
  Natty beta download from 6 April 2011
  Presently operating on same boot CD after checked for errors in disk,  using the motherboard ATI Radeon Express 200 display driver.
  I have had problems in the past because the Etronix display card doesn't correctly report an EDID.

  When I tried to boot with my 'normal' nVidia display card in the
  system on the Natty beta CD burned from a download from Ubuntu.com,
  everything seemed to operate normally until I got to the desktop
  display.  I just used the defaults, did not try to download
  proprietary drivers, indeed didn't touch the keyboard after beginning
  the boot from the CD.

  At the desktop, the display would show for a second, then go black for
  a second, cycling endlessly.  The only variation was that the display
  when showing the background of the desktop would sometimes show the
  Unity menu, sometimes the top bar, sometimes just the background, in
  no sequence that I could determine, although I left it running for
  about 30 seconds to see if it would stabilize.  USB keyboard and mouse
  had no effect.  I got out by turning off the power.

  Any further information which I can supply?

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