I have a panasonic TC-p50x3 and a radeon hd 2600 pro with an ultra 700 dvi to hdmi cable and cant get picture to my tv from pc

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A good description of Wifi capability for your Plasma set is at this site:

Panasonic TC P50X3 Review 2015 TopTenREVIEWS

You may need an adapter to get wifi working:

Panasonic TV Wireless Adapter eBay

right click on desktop click screen resolution and press Detect button. Also try updating your video driver. also try swapping out the cables with each other and try using a hdmi cable for the TV connection.

connect your blue ray and your dish net with hdmi cables to the amplifier than monitor out hdmi to tv .in your dvd configuration you must make sure that hdmi audio is activated .ps not to be mean but this is a very low quality dvd because it does not have fiber optique audio output but it can still work, for your dis net it all depends on what type of digital audio output
is available , ill be honest with you this is a good job .

HDMI and DVI are both digital signals, therefore if you used DVI - DVI it would be the same as HDMI - HDMI.
If you really want to use HDMI - HDMI you could purchase a DVI - HDMI adaptor for your graphics card. Contact your favorite computer store.

Take care!
damnor01

Is this TV new or new to you? I suggest you check two parts of the Audio > Advanced Audio menu. First check if the TV speakers are set to on. Next check the HDMI audio setting. This should be set to Digital. (There is an analog option that works with DVI to HDMI cables and older HDMI cables that aren't fully HDMI compliant. For these situations, you connect an audio cable between the cable box and TV. I believe your audio cable needs to have a 3.5 MM (M) end at the TV and plugs in at the computer audio input.)

Since your cable provider turned off the HDCP (high definition copy protection), it's possible that the cable box is treating the cable as being incapable of carrying the audio. Try using the Analog audio option, described above. You may want to check if your cables are fully-compliant with the HDMI specification (and HDCP). Then get the HDCP enabled in the cable box. Similarly, check the audio output settings for the cable box. (If you can access the Settings for the cable box without a service call, you should look at the Audio and Display settings. My cable box has Display options for HDMI versus DVI cables, as well as a choice for Digital Audio for the HDMI option in the Display sub-menu.)

I hope these ideas help. If you need more information, add a comment with the settings for your Audio and Display settings. The manual is available on the TC-L32X2 support page, http://shop.panasonic.com/support-only/TC-L32X2.html . The direct link to the manual is currently ftp://ftp.panasonic.com/television/om/tc-l32x2_en_om.pdf . See page 28 for the Audio menu options. Since you tried three cables, I think the odds of all three being bad is slim.

Cindy Wells

Use only the hdmi cord to hook it up and go to menu on the tv and select hdmi for hook up and you should get a picture. Make sure your cable cord is the only cord running to the cable box , you don't need any other cord.

If your laptop has a DVI or HDMI output, then the solution is as easy as buying a DVI to HDMI cable, or simply an HDMI cable, because your TV set uses HDMI as an input. If you have a Macbook, there are Displayport to HDMI cables/adapters available.

However, if your laptop only has VGA output, then you must buy a converter. Why? The VGA output available on almost any laptop is an analog signal. Buying simple cable adapters will not make your TV (which reads only digital signals) read the analog VGA signal.

If you to have a newer tower that has a dvi trapazoid female receceptor.Read the small print
they may say digital ,but never mention HD Bastards!

This may not be DVI issue.
I connected DVD player HDMI ----> DVI ( Dell W3000) LCD TV.
Later I found that Dell TV version of DVI does not support HDCP protocol ( High Definition Content Protection protocol). So I could not play HDMI to DVI movies from my DVD player instead I use Y Pb Pr -- this works ok.

Hope this helps... I am not use PS3 enforces HDCP - I assume Sony linked with Sony Pictures would enforce HDCP on HDMI cable.