Hdmi to vga adapter not working

joelw23

https://www.amazon.com/gp/product/B00ZMV7RL2/ref=oh_aui_detailpage_o06_s00?ie=UTF8&psc=1

this adapter is not working with my raspberry pi 3..i get no signal on a 17" dell monitor that is known to be good.

I have uncommented these lines in the config.txt file.

hdmi_safe=1
hdmi_group=2
hdmi_mode=16
hdmi_drive=2
config_hdmi_boost=7

edmaul69

@joelw23 you need to get rid of hdmi safe. Not sure why you have safe mode on. Plus why is your hdmi boost on 7?

joelw23

because i was trying everything to get it to work...

i'll turn safe mode off and put the boost back to 4 and try.

joelw23

same result....

monitor stays in sleep mode w/ yellow light on power button.

edmaul69

@joelw23 if you do it should work fine. Its the same settings i use. I have a 15" tv though. Are you sure you cant set yours to 1280x something? (not sure if you have a widescreen or not) I would try getting it working on mode 16, 1024x768 first (if you dont have a widescreen) It is the setting you have it on right now.

joelw23

right...

everything i've read has said it "should" work, but all of the setting i've tried have produced no picture....

maybe the adapter is bad.....

edmaul69

@joelw23 can you tell me the model number of your monitor?

joelw23

E173fp

edmaul69

@joelw23 the webite with the resolution settings isnt working so i cant tell you what the hdmi mode is for 1280x1024 since i am not home at the moment but add this setting too.

hdmi_force_hotplug=1

joelw23

Thanks but that setting is on as well

edmaul69

@joelw23 change your hdmi mode from 16 to 35. You can try 37 as well but i believe 35 is correct for your monitor

joelw23

tried 35...still nothing..

config.txt here:

http://pastebin.com/RVvH0uDY

joelw23

also just tried another vga cable just to be sure.. same result

when i unplug the vga cable the monitor goes in to "self test feature check" mode

when the vga cable is plugged in, it goes right in to sleep mode with the yellow light on the power button.

BuZz

@joelw23 if posting configs, please put them in a code block for readability http://commonmark.org/help/

joelw23

I have also tried a usb cable that plugs in to the wall in case the pi3 wasn't giving enough power...

monitor is still in power save mode with no signal.

joelw23

the company that sold the adapter is sending me a new one to try...

hopefully this one is defective.

edmaul69

@joelw23 this could be a possible issue or it was from how you copy and pasted, but why do all the words "uncomment" not have hashtag "#" in front of them?

joelw23

must be how it copied an pasted...they do have a # in front of them in the config.txt file

flop

Hmmm, I got this model :
https://www.amazon.es/cambiador-ordenador-portátil-Proyector-Raspberry/dp/B00F6RZZMU/ref=sr_1_6?ie=UTF8&qid=1486660818&sr=8-6&keywords=hdmi+to+vga

And It worked for me, but needed to set "hdmi_drive=2" (uncomment the line in /boot/config.txt) for get a good quality image; if not, the colours looks strange.

Note: Uncomment means that you should delete that # to get that code line working (no spaces too)

edmaul69

@flop ditto. i use this same one. i also have another type that works too but i like this one much better because of quality