Westinghouse 42 inch LCd 1080p tv 4 HDMI jacks, all stopped working at once
TV probably had a power surge, which distroyed the IC that handles the HDMI input multiplexor.
If restarting does not help I am afraid you'll have to change main board.
Board ID 48.70E01.01A or W421TAFX69 is what you are looking for.
Hope this helps!
Bobby @ coppelltvrepair
www.coppelltvrepair.com
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