HDMI Devices no Signal, DSTV decoder working

Tv suddenly stopped detecting my Ps3 and pc, my decoder too, so l bought a new hdmi and now it’s only detecting my decoder but not my pc and ps3, Please Help

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@charlesmud78357 your TV is a Samsung TV LA32C350D1? This sounds more like a connection issue vs a connector. This "bought a new hdmi " means you bought a new HDMI cable? How do you connect your decoder and your PS3 and PC? Every device has its own source input HDMI port/cable?

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