Then your cable and board is fine. Make sure you have the latest SW. http://circuitco.com/support/index.php?title=Updating_The_Software
And check http://circuitco.com/support/index.php?title=BeagleBoneBlack_HDMI Gerald On Tue, Oct 22, 2013 at 6:48 AM, <glennben...@gmail.com> wrote: > Gerald, > > I am having the same problems as described above. > > The one difference I appear to be getting is that during the initial boot, > I get the BeagleBone logo appear in the top left of the screen. This also > changes size depending on what resolution I set in uEnv.txt > > After this image disappears and a little more time has passed, I get "No > Signal" on my 32" TV or "Power Saving Mode HDMI" on my LG Flatron L246WH > 24" Monitor. > > This suggests to me that the HDMI setup is working but something breaks it > during the boot process. > > > On Monday, September 30, 2013 3:01:37 PM UTC+1, Gerald wrote: > >> OK. I would look at the cable. We have had several instances of people >> with bad HDMI cables. >> >> Gerald >> >> >> >> On Mon, Sep 30, 2013 at 8:57 AM, Chien-Yu Chen <hone...@gmail.com> wrote: >> >>> I've updated BBB using the newest firmware, BBB-eMMC-flasher-2013.09.15. >>> **img. >>> Still have the same problem. >>> >>> On Thursday, September 26, 2013 11:16:26 PM UTC+8, Chien-Yu Chen wrote: >>>> >>>> I met similar issue as well. My monitor is ASUS LS221H which can >>>> correctly display outputted from my mobile phone Xperia Neo V via HDMI. >>>> From here, we can confirm the monitor and the cable both function well. >>>> After powering up, sometimes I could see the logo from BeagleBone Black. >>>> Then, what I could see is just no signal reported from the monitor. >>>> >>>> I referenced the page, http://circuitco.com/**sup** >>>> port/index.php?title=**BeagleBon**eBlack_HDMI<http://circuitco.com/support/index.php?title=BeagleBoneBlack_HDMI>, >>>> and tried something described in the page via terminal >>>> https://192.168.7.2/ >>>> Followings are some information of my board. >>>> >>>> *root@beaglebone:/sys/class/drm/card0/card0-HDMI-A-1# xrandr --verbose >>>> >>>> * >>>> Screen 0: minimum 320 x 200, current 1280 x 720, maximum 2048 x 2048 >>>> >>>> >>>> HDMI-0 connected 1280x720+0+0 (0x42) normal (normal left inverted right >>>> x axis y axis) 474mm x 296mm >>>> >>>> Identifier: 0x40 >>>> >>>> >>>> Timestamp: 1523547016 >>>> Subpixel: unknown >>>> Gamma: 1.0:1.0:1.0 >>>> Brightness: 1.0 >>>> Clones: >>>> CRTC: 0 >>>> CRTCs: 0 >>>> Transform: 1.000000 0.000000 0.000000 >>>> 0.000000 1.000000 0.000000 >>>> 0.000000 0.000000 1.000000 >>>> filter: >>>> EDID: >>>> **00ffffffffffff000469f12201010**1**01 >>>> **20130103802f1e782e78f5a655489**b**26 >>>> **125054bfef80b30081809500950f9**0**40 >>>> **714f0101010121399030621a27406**8**b0 >>>> **3600da281100001c000000ff00393**8**4c >>>> **4d56443030343433360a000000fd0**0**38 >>>> **4b1f5111000a20202020202000000**0**fc >>>> **00415355532d4c5332323148ffff0**1**ff >>>> **02031e764b909f859484930312010**7**16 >>>> **230907078301000065030c0000000**2**3a >>>> **801871382d40582c9600da2811000**0**18 >>>> **023a80d072382d40102c4580da281**1**00 >>>> **001e011d8018711c1620582c2500d**a**28 >>>> **1100009e011d80d0721c1620102c2**5**80 >>>> **da281100009e011d00bc52d01e20b**8**28 >>>> **5540da281100001e0000000000000**0**dd >>>> 1280x720 (0x41) 74.2MHz +HSync +VSync >>>> h: width 1280 start 1720 end 1760 total 1980 skew 0 clock >>>> 37.5KHz >>>> v: height 720 start 725 end 730 total 750 clock >>>> 50.0Hz >>>> 1280x720 (0x42) 74.2MHz +HSync +VSync *current >>>> h: width 1280 start 1390 end 1430 total 1650 skew 0 clock >>>> 45.0KHz >>>> v: height 720 start 725 end 730 total 750 clock >>>> 60.0Hz >>>> 720x576 (0x43) 27.0MHz -HSync -VSync >>>> h: width 720 start 732 end 796 total 864 skew 0 clock >>>> 31.2KHz >>>> v: height 576 start 581 end 586 total 625 clock >>>> 50.0Hz >>>> 720x480 (0x44) 27.0MHz -HSync -VSync >>>> h: width 720 start 736 end 798 total 858 skew 0 clock >>>> 31.5KHz >>>> v: height 480 start 489 end 495 total 525 clock >>>> 59.9Hz >>>> 640x480 (0x45) 25.2MHz -HSync -VSync >>>> h: width 640 start 656 end 752 total 800 skew 0 clock >>>> 31.5KHz >>>> v: height 480 start 490 end 492 total 525 clock >>>> 59.9Hz >>>> >>>> *root@beaglebone:/sys/class/drm/card0/card0-HDMI-A-1# parse-edid edid* >>>> parse-edid: parse-edid version 2.0.0 >>>> parse-edid: EDID checksum passed. >>>> >>>> >>>> >>>> # EDID version 1 revision 3 >>>> Section "Monitor" >>>> # Block type: 2:0 3:ff >>>> # Block type: 2:0 3:fd >>>> # Block type: 2:0 3:fc >>>> Identifier "ASUS-LS221Hÿÿ" >>>> VendorName "ACI" >>>> ModelName "ASUS-LS221Hÿÿ" >>>> # Block type: 2:0 3:ff >>>> # Block type: 2:0 3:fd >>>> HorizSync 31-81 >>>> VertRefresh 56-75 >>>> # Max dot clock (video bandwidth) 170 MHz >>>> # Block type: 2:0 3:fc >>>> # DPMS capabilities: Active off:yes Suspend:no Standby:no >>>> >>>> >>>> >>>> Mode "1680x1050" # vfreq 59.954Hz, hfreq 65.290kHz >>>> DotClock 146.250000 >>>> HTimings 1680 1784 1960 2240 >>>> VTimings 1050 1053 1059 1089 >>>> Flags "+HSync" "-VSync" >>>> EndMode >>>> # Block type: 2:0 3:ff >>>> # Block type: 2:0 3:fd >>>> # Block type: 2:0 3:fc >>>> EndSection >>>> >>>> *ID.txt* >>>> Cloud9 GNOME Image 2013.06.20 >>>> >>>> *root@beaglebone:~# cat /proc/cmdline * >>>> console=ttyO0,115200n8 video=HDMI-A-1::640x480@60 root=/dev/mmcblk0p2 >>>> ro rootfstype=ext4 rootwait >>>> >>>> Finally, the three steps below work like a charm >>>> >>>> *root@beaglebone:~# export XAUTHORITY=`ls /var/run/gdm/auth-for-root-*/ >>>> database` * >>>> *root@beaglebone:~# export DISPLAY=:0.0 * >>>> *root@beaglebone:~# xrandr --output HDMI-0 --mode 1280x720 --rate 60* >>>> >>>> *root@beaglebone:/sys/class/drm/card0/card0-HDMI-A-1# fbset* >>>> >>>> >>>> >>>> mode "1280x720-0" >>>> # D: 0.000 MHz, H: 0.000 kHz, V: 0.000 Hz >>>> geometry 1280 720 1280 720 16 >>>> timings 0 0 0 0 0 0 0 >>>> accel true >>>> rgba 5/11,6/5,5/0,0/0 >>>> endmode >>>> >>>> >>>> After these, I do see the output on my monitor. >>>> >>>> But anyone can tell me, if I tried >>>> optargs=video=HDMI-A-1:**1280x72**0@60 in uEnv.txt >>>> >>>> The result is still no signal? >>>> >>>> Thanks >>>> honercek >>>> >>>> >>>> >>>> >>>> -- >>> For more options, visit http://beagleboard.org/discuss >>> --- >>> You received this message because you are subscribed to the Google >>> Groups "BeagleBoard" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to beagleboard...@**googlegroups.com. >>> >>> For more options, visit >>> https://groups.google.com/**groups/opt_out<https://groups.google.com/groups/opt_out> >>> . >>> >> >> -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to beagleboard+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/groups/opt_out. > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
