On 04/04/18 17:47, Go Canes wrote:
A while back my Intel NUC failed, and I replaced it with a newer one. Since then I have been having a few issues with my display. The first is overscan - the NUC is used as a media PC, and is hooked up via an A/V receiver to a HDTV using HDMI. Unfortunately there doesn't seem to be a way to tell the TV to turn off the overscan. With the older NUC, I used intel_panel_fitter (I think) to adjust the display, and all was well. But that program doesn't work on the new NUC. I can however, use xrandr's transform settings, and this seems to be OK. If anyone has better ideas for accommodating overscan (other than buying a new TV), I would love to hear it!
For some time I thought I had set my Panasonic TV to disable overscan (it's in an Advanced Settings screen) but overscanning persisted. Then I realised that it is disabled *only* when 16:9 aspect is also specifically enabled - not just auto selected. That may not apply to your TV, but a bit more hunting might be worthwhile.
The second issue is that when I switch the TV away from the NUC, and then eventually back to the NUC, the display is zoomed slightly - just enough so that the KDE bar at the bottom is now off-screen. I can use xrandr to reset the transforms to their default, and then re-apply my desired transforms and it is back to where it should be. But I would like to eliminate this annoying "zoom" altogether if possible. I thought maybe treating it similar to a KVM switch, and forcing the modeline within the xorg config would help, but it doesn't seem to change the behavior at all. The third issue is that sometimes I lose the display more-or-less completely. I switch the receiver to the NUC, and I get a black screen. If I reboot (via a ssh session), I get nothing. To get the display back, I have to poweroff and cold boot. The login screen is fine, but after logging-in, KDE seems to be set for a lower resolution (800x600?) than the TV is using (1080i), and I have go into "System Settings" to correct it - which is difficult when you can't really read the display very well! Any suggestions on these issues would be appreciated! My google searches haven't come up with much help.
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