While on vacation a couple of weeks ago I took my Raspberry Pi with me. You can easily connect it to a television using only an HDMI cable, so I hooked mine up to the hotel’s television, fired it up, and began playing some retro games. Right off the bat I noticed something wasn’t quite right.<\/p>\n

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If you’re not familiar with the Raspberry Pi you might not notice anything odd in this picture, but those “blue”berries are supposed to be raspberries! I actually didn’t notice this at first. Note that the resolution is reporting as 1360×768. From here I moved on to PiPlay’s menu system.<\/p>\n

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Again, if you’re not familiar with PiPlay this might jump out at you, but this menu is normally red, not blue. I then fired up Dig Dug and…<\/p>\n

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…yowza! Something is definitely wrong with this picture — literally!<\/p>\n

After spending a few minutes on Google I discovered the problem. Apparently in “some” instances, “some” televisions will swap the red and blue colors on “some” Raspberry Pis in “some” resolutions. That’s about as specific as I could nail down, but that’s exactly what I was experiencing.<\/p>\n

The solution in my case was to add the two following lines to \/boot\/config.txt:<\/p>\n

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For hdmi_group=1, hdmi_mode=4 forced my Pi into 720p (@60Hz). Without that line, the television was defaulting to 1360×768. Both resolutions are 720p, but the higher one was the only one that caused the colors to flip flop.<\/p>\n

With the change made to config.txt I rebooted the Pi.<\/p>\n

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Note in this picture the raspberries are now the proper color and the resolution is simply being reported at 720p.<\/p>\n

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The PiPlay menu is now the proper red color…<\/p>\n

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…and Dig Dug is back to normal.<\/p>\n

I haven’t run into this problem before at home, so it must have been something specifically with that television at the hotel. Once I got home I removed those lines from config.txt and the Pi continues to boot with the proper color scheme. <\/p>\n","protected":false},"excerpt":{"rendered":"

While on vacation a couple of weeks ago I took my Raspberry Pi with me. You can easily connect it to a television using only an HDMI cable, so I hooked mine up to the hotel’s television, fired it up, and began playing some retro games. Right off the bat I noticed something wasn’t quite right. If you’re not familiar with the Raspberry Pi you might not notice anything odd in this picture, but those “blue”berries are supposed to be raspberries! I actually didn’t notice this at first. Note that the resolution is reporting as 1360×768. From here I moved… (read more)<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-8047","post","type-post","status-publish","format-standard","hentry","category-main"],"_links":{"self":[{"href":"https:\/\/www.robohara.com\/index.php?rest_route=\/wp\/v2\/posts\/8047","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.robohara.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.robohara.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.robohara.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.robohara.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=8047"}],"version-history":[{"count":0,"href":"https:\/\/www.robohara.com\/index.php?rest_route=\/wp\/v2\/posts\/8047\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.robohara.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8047"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.robohara.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=8047"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.robohara.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=8047"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}