ROMS have blue tint/no audio

[seanonalawn]

Hi everyone,

I have a raspberry pi 3 setup with I believe the most recent version of retropie. I have everything set up and running; however, whenever I launch a ROM, the colors are off as they have a blue tint. In searching the web for a solution, the problem might be that the retropie resolution is 768p when it should be 720p. I'm still trying to understand how to operate the terminal line, so when I find a resolution I only get about halfway through before getting stuck. I haven't been able to find much help online, so if there's someone that could help I would appreciate it.

I'm also having a problem where the audio is not playing.

Thanks!

[edmaul69]

@seanonalawn this site has all the info you need for this stuff.
http://elinux.org/RPiconfig#Video_mode_options
In your case open up /boot/config.txt and change the hdmi drive and hdmi mode lines to this. Remove the hashtags if they are in the line:

hdmi_drive=2
hdmi_mode=4

Hdmi mode 4 is for ntsc 720p @ 60hz. If your video is different that site has a whole list of the modes. Hdmi drive 2 should fix your audio. Not sure about the blue tint though

[seanonalawn]

Thanks for the help, this is what I saw when I did a google search. I saw that I'm supposed to do that under "sudo nano /boot/config.txt". When I typed that in about 60 lines of code came up and confused me. Do you think I type in the config.txt and then just type in the hdmi group/mode text? Or should I disregard the config.txt and just type in the hdmi group/mode text in the terminal? Again, I have a hard time understanding the terminal and am just barely starting to understand it. I hope what I just wrote makes sense.

[obsidianspider]

@seanonalawn You have to modify the contents of the config.txt file. When you say sudo nano /boot/config.txt you're telling Linux to run the program nano (a text editor) as a super user (that's what sudo does) and you're telling it to open the file/boot/config.txt. You need sudo privileges to modify that file.

Source: I fart around with Linux just enough to break things.

[seanonalawn]

Thanks for the help, I'm going to try your suggestions and let you know how it turns out.

[backstander]

@seanonalawn
Also after you are in the Nano text editor, you can press Ctrl + W to do a search so you can find where hdmi_drive and hdmi_mode is so you can make the changes. Then when you're finished editing, press Ctrl + X and it will ask if you want to save it and you press Y and then enter when it's asking for a name. Then just reboot RetroPie.

[seanonalawn]

Just an update, I fixed the issue and now it's running beautifully. It turns out I was following the directions correctly, but I had no idea I had to remove the #. If I hadn't asked, I wouldn't have known so thank you guys for all your help!