That's my lsmod : root@beaglebone:~# lsmod Not tainted usb_f_eem 7202 1 - Live 0xbf0f9000 g_ether 4937 0 - Live 0xbf0f3000 usb_f_rndis 19969 2 g_ether, Live 0xbf0e9000 u_ether 14019 3 usb_f_eem,g_ether,usb_f_rndis, Live 0xbf0e1000 libcomposite 47061 3 usb_f_eem,g_ether,usb_f_rndis, Live 0xbf0ce000 configfs 31854 4 usb_f_eem,usb_f_rndis,libcomposite, Live 0xbf0c1000 rtl8xxxu 94567 0 - Live 0xbf0a2000 omap_rng 5957 0 - Live 0xbf09d000 rng_core 8667 1 omap_rng, Live 0xbf096000 snd_soc_davinci_mcasp 17050 0 - Live 0xbf08d000 snd_soc_omap 4113 1 snd_soc_davinci_mcasp, Live 0xbf088000 snd_soc_edma 1211 1 snd_soc_davinci_mcasp, Live 0xbf084000 snd_soc_hdmi_codec 5576 0 - Live 0xbf07f000 snd_soc_core 157462 4 snd_soc_davinci_mcasp,snd_soc_omap,snd_soc_edma,snd_soc_hdmi_codec, Live 0xbf049000 snd_pcm_dmaengine 5065 2 snd_soc_omap,snd_soc_core, Live 0xbf044000 snd_pcm 90717 5 snd_soc_davinci_mcasp,snd_soc_omap,snd_soc_hdmi_codec,snd_soc_core,snd_pcm_dmaengine, Live 0xbf024000 snd_timer 22470 1 snd_pcm, Live 0xbf01a000 snd 57155 3 snd_soc_core,snd_pcm,snd_timer, Live 0xbf004000 soundcore 1350 1 snd, Live 0xbf000000 root@beaglebone:~# On 10/07/17 14:42, Maciej Borzęcki wrote: > On Mon, Jul 10, 2017 at 8:27 AM, Riko Ho wrote: >> I tried with ATX power supply, still get the same response, why is that ? >> > Suggested order of debugging would be: > > - look into dmesg and syslog/journalctl for any suspicious messages > popping up when you enable HDMI > > - check if order of events has any significance (i.e. HDMI on when > turn wifi on, or wifi on then enable HDMI) > > - try a powered USB hub (a passive one may be good enough too) > > - try using USB extension cable for the wifi dongle. > > The last 2 points are easiest to verify. > >> On 10/07/17 14:24, Maciej Borzęcki wrote: >> >> On Mon, Jul 10, 2017 at 6:31 AM, Riko Ho wrote: >> >> Dear Meta-TI Members, >> >> How can I fix the current issue between HDMI port and Wifi on USB dongle ? >> >> Everytime I put HDMI, my USB dongle is down ?? >> >> I would start by trying to use a decent power supply. >> -- * /*******/ Sent by Ubuntu LTS 16.04, Kind regards, Riko Ho /*******/ *