richcreedy
Posts: 6
Joined: Fri Apr 28, 2017 9:59 pm

Re: Just received my RPi4b/4GB - no HDMI output!!!

Tue Jul 09, 2019 1:08 pm

ok no worries

aleixsr
Posts: 1
Joined: Tue Oct 15, 2019 9:00 pm

Re: Just received my RPi4b/4GB - no HDMI output!!!

Tue Oct 15, 2019 9:03 pm

Hi,
same issue here, in my case only uncommenting this line worked:
config_hdmi_boost=4

Best Regards.

jimb757
Posts: 1
Joined: Wed Oct 16, 2019 2:16 am

Re: Just received my RPi4b/4GB - no HDMI output!!!

Wed Oct 16, 2019 2:19 am

HawaiianPi's post worked for me.

Thanks,

Jim

mikecentola
Posts: 1
Joined: Tue Oct 29, 2019 4:48 pm

Re: Just received my RPi4b/4GB - no HDMI output!!!

Tue Oct 29, 2019 4:54 pm

Just wanted to share my results after struggling for a little bit. Have a samsung 4K TV that supports 60p but just couldn't get it into 60p mode.

Modified config.txt

Code: Select all

hdmi_force_hotplug=1
hdmi_ignore_edid=0xa5000080
hdmi_group=1
hdmi_mode=97
config_hdmi_boost=4

hdmi_enable_4k=1
hdmi_enable_4kp60=1
Rebooted, and set preferences in PIXEL. Rebooted one more time and all is well :)

txcdub
Posts: 2
Joined: Thu Jan 19, 2017 8:43 pm

Re: Just received my RPi4b/4GB - no HDMI output!!!

Thu Nov 07, 2019 2:40 am

Can someone explain what to do if you can't get any results from the tvservice -d edid dump process. Always "Nothing written!"

So frustrating. Been at this for hours and hours of reading posts trying things and no joy. And I can't even seem to get the data needed for serious troubleshooting.

haleruss
Posts: 25
Joined: Sat Jun 06, 2015 4:17 am

Re: Just received my RPi4b/4GB - no HDMI output!!!

Sun Dec 01, 2019 3:15 am

I have the same problem
Saw this on NOOBS Raspbian download page:

Recovery
If your Raspberry Pi 4 will not boot, it is possible that the SPI EEPROM has become corrupted.

To check, remove the SD card, disconnect the device from power, then reconnect it. If the green LED does not flash, you will need to reprogram the EEPROM:

Download the bootloader
SHA-256: 444e0f68aa21d5b4e158259061de55738d36a1986e2ced14bb14d7af1a04881c
Extract it to an empty FAT-formatted SD card and insert it into your Raspberry Pi 4
Connect the power and wait for the green LED to flash quickly

I tried this, but nothing happens.

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