![]() Q: I'm see sparkles, flashing and sometimes a blank screen using an HDMI extender over CAT5, got any tips?Ī: Drop the source devices resolution to 720p and if it clears up then your CAT5 cable is probably too long for the resolution you are trying to send so re-read the specs. Also unplug the HDMI cables, blow across the pins (not in) and re-insert them as a piece of dust may have got in. Q: Everything was working and now I don't see video on my TV, what do I do?Ī: You may have lost your HDCP handshake so power cycle all devices by resetting them or pulling the AC plug (TV's, cable boxes, DVD players, splitters, switchers, etc - all) and it may come back. Try to buy all the HDMI devices and HDMI cables from one vendor as they have probably all been tested with each other assuring a system that will work.Don't over complicate the system with too many devices in series.Use best cabling possible, the higher bandwidth the better.Keep solid HDMI runs under 25ft (use 24AWG) and go to HDMI over CAT5e/6 baluns over that.Insure all devices are on the same AC circuit if possible.Insure all devices are on the most recent firmware.Use Active equipment over Passive wherever possible.Q: I'm starting to build an HDMI home theater system, what should I keep in mind?Ī: Here are some best practices to remember If so, reset it to match the native resolution of your TV or video projector (such as 720p or 1080p) and see if that provides a more stable result. Q: I seem to have a resolution error, can you help?Ī: Check Your Source Device's Video Resolution Output Setting: If your Blu-ray Disc player or other HDMI source device has a video resolution output setting menu, check to see if it is set to AUTO. ![]() ![]()
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