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Re: my tv model magnavox26mf231d/37 shows hdmi is...
This could be a problem with the cable box or other set top box and not the TV. It's known to happen with Samsung cable boxes from Cablevision.
First try resetting the TV and set top box by unplugging both. Remove the HDMI cable from the TV and the set top box. Reconnect the HDMI cable. If you are using a Redmere or similar HDMI cable, make sure that the end labeled TV is connected to the TV's HDMI port. (These cables have additional electronics and are not reversible.) Connect the power cord to the set top box and wait 30 seconds to a minute. Then plug in the TV. To ensure the set top box does the correct handshake with the TV, turn on the TV first and set it to the HDMI input. Then turn on the set top box. See if this fixes the issue. (On some cable boxes, this can be a temporary fix. You may need to have the set top box replaced.)
If the above steps don't help, try a different HDMI cable. If that doesn't solve the problem, then the set top box is faulty.
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To resolve the issue "HDCP Unauthorized. Content Disabled" on your Roku, follow the steps below. If a purple screen appears on your TV showing "HDCP Unauthorized. Content Disabled", it's usually caused by a loose HDMI connector, or is caused by a problematic HDMI cable
HDCP High-bandwidth Digital Content Protection, requires uninterrupted transmission through your HDMI or DVI lead. It is to ensure you don't try to intercept copyrighted material and copy it before it reaches your TV. Check your leads are correctly fitted and are good quality.
Some TV's & cables are not HDCP compliant . Sometimes you can replace the cable to fix the problem & other times you have to replace the tv because its not HDCP compliant . First check to see if your tv is HDCP compliant .
Hello... I searched the internet and found this. I hope this helps...
To resolve the "HDCP unauthorized. Content disabled" issue, try these steps:
If you are trying to stream 4K Ultra HD content when you see the purple screen, review the instructions for setting up your Roku player for 4K. Go to the next step if you continue to see a purple screen.
On both your Roku player and your TV or AVR, unplug each end of the HDMI cable.
Power off your TV and your Roku player and unplug their respective power supplies.
Reconnect both ends of the HDMI cable, pushing them firmly, all the way in.
Reconnect your TV and your Roku player to their power supplies and power them on.
Try viewing the video again.
If the above did not resolve your issue, try these additional suggestions:
Try a different HDMI input on your TV.
Try using a different HDMI cable (less than 6 feet if available), just to make sure the cable you are currently using does not have any defects.
If you are using an HDMI switch or AVR, try connecting the Roku player directly to the TV.
Try another TV, if possible.
If you are using a computer monitor, try using a TV, if possible.
Try using different Display Settings on your Roku player. You can find these settings under Settings >Display type.
If this is the first time you are seeing this HDCP purple screen after setting up your Roku player, ensure that your TV and/or AVR supports HDCP. Contact your equipment manufacturer for more information.
HDCP is causing the trouble You experience. Try using other video input connection for same set. If it works fine that way, the problem is that the rights protection (HDCP) is acting as "police" to prevent copying or reproduce unauthorized content. If only the HDMI is connected (disconnect all other inputs/outputs) on some sets, could be work fine.
Can you tell me which Cable box you are using?Which model/region?
The possibility is that the HDCP handshake could not have happend correctly and hence the issue. Try to connect to different HDMI input of TV from Cable box. If possible change the resolution of cable box and check video