Hello,
I have BBB and waveshare 7 inch 1024x600 connected via HDMI and usb
(touchscreen) plug on power and everything is ok.
When I change screen to DELL P2314T I have problem. If I disconnect HDMI
plug power on and wait around 1 min until BBB loading and after that
connect HDMI cable - everything in ok, but if I didnot disconnect HDMI
result - black screen
How to fix it?
root@beaglebone:/# uname -a
Linux beaglebone 3.8.13-xenomai-r78 #1 Sat Sep 26 16:54:43 UTC 2015 armv7l
GNU/Linux
root@beaglebone:/#
root@beaglebone:/# cat /proc/version
Linux version 3.8.13-xenomai-r78 (root@a6-imx6q-wandboard-2gb) (gcc version
4.6.3 (Debian 4.6.3-14) ) #1 Sat Sep 26 16:54:43 UTC 2015
root@beaglebone:/#
I try two different configuration for xorg
root@beaglebone:/# cat /etc/X11/xorg.conf
Section "Module"
Load "extmod"
Load "dbe"
Load "glx"
Load "freetype"
Load "type1"
Load "record"
Load "dri"
EndSection
Section "Monitor"
$
Identifier "Builtin Default Monitor"
HorizSync 31.5-75
VertRefresh 60
EndSection
Section "Device"
Identifier "Builtin Default fbdev Device 0"
Driver "fbdev"
EndSection
Section "Screen"
Identifier "Builtin Default fbdev Screen 0"
Device "Builtin Default fbdev Device 0"
Monitor "Builtin Default Monitor"
DefaultDepth 24
SubSection "Display"
Depth 24
Modes "1024x768_60.00"
EndSubSection
EndSection
Section "ServerLayout"
Identifier "Builtin Default Layout"
Screen "Builtin Default fbdev Screen 0"
EndSection
root@beaglebone:/#
and
root@beaglebone:/# cat /etc/X11/xorg.conf.default
Section "Monitor"
Identifier "Builtin Default Monitor"
EndSection
Section "Device"
Identifier "Builtin Default fbdev Device 0"
Driver "fbdev"
EndSection
Section "Screen"
Identifier "Builtin Default fbdev Screen 0"
Device "Builtin Default fbdev Device 0"
Monitor "Builtin Default Monitor"
DefaultDepth 16
EndSection
Section "ServerLayout"
Identifier "Builtin Default Layout"
Screen "Builtin Default fbdev Screen 0"
EndSection
root@beaglebone:/#
but problem still same
How to fix it?
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