On my computer the get-edid command causes serious corruption see the strange characters at the end of this comment maybe this helps.
sudo get-edid get-edid: get-edid version 1.4.1 Performing real mode VBE call Interrupt 0x10 ax=0x4f00 bx=0x0 cx=0x0 Function supported Call successful VBE version 300 VBE string at 0x11110 "NVidia" VBE/DDC service about to be called Report DDC capabilities Performing real mode VBE call Interrupt 0x10 ax=0x4f15 bx=0x0 cx=0x0 Function supported Call successful Monitor and video card combination does not support DDC1 transfers Monitor and video card combination supports DDC2 transfers 0 seconds per 128 byte EDID block transfer Screen is not blanked during DDC transfer Reading next EDID block VBE/DDC service about to be called Read EDID Performing real mode VBE call Interrupt 0x10 ax=0x4f15 bx=0x1 cx=0x0 Function supported Call successful �������Xv�"(!�h�b�ZK�&HO�B��EY� �0X @6�V 1X P6��GATEWAY CS700�2xF� -- Xorg resolution falling back to 640x480 and/or 800x600 when h/v freqs incorrect https://bugs.launchpad.net/bugs/3731 You received this bug notification because you are a member of Kubuntu Team, which is a subscriber of a duplicate bug. -- kubuntu-bugs mailing list [EMAIL PROTECTED] https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs