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I can't figure out how to view photos on my pc on my 46 inch es7100. The tv shows the Picasa program (where the photos are) but when I click Picasso nothing happens. The only other thing that I have used has been Utube which works fine. Any suggestions? Thanks
Tony Mo - unfortunately, there are a thousand ways to skin this cat. It's quite shameful that there has to be so many choices but, then again, it's not Apple so there are actually ways and choices to do this

So, here you go....
Welcome to Samsung where our motto is, not only do we set records with quarterly earnings, we fix things that are not broken:
1) DLNA compliant access
2) AllShare (via AllShare variant of DLNA and AllSharePlay)
3) WiFi direct
4) Picasa Albums
For item 1) above, the Samsung 7100 is native DLNA compliant. Any DLNA compliant device or operating system (Windows 7) should be functional. The kicker here is that Windows mashes their media sharing into Windows Media Player. So, your pictures need to synch with windows media player on your source (your PC) for your TV to find the source (your PC) to see your pictures. So make sure you have sharing on your picture directories (folders) and make sure you windows media player is synching your pictures. Then on your TV, you should simply choose the SOURCE button on the remote and you will find all your DLNA compliant PCs listed as long as they are connected to your HOMEGROUP or NETWORK that the TV is connected too.
For item 2) above... load AllSharePlay client on your PC and synch your photos to said client. Then use the AllSharePlay app on the TV.
For item 3) run WiFi Direct app on TV and you should be able to adhoc wifi connections... I have not tried this via a Windows 7 PC and TV yet. It works on my Samsung Galaxy S3 flawlessly.
For item 4).... OK, I have been a Google user since the 90s. I am on my third Android phone and have been a Google Apps customer for well over a decade... Hell, I was a Google Talk customer working with the developers when the project was first started (Grand Central). I have been around Google for a long long time and use their products constantly... Google continues to completely confound me (and I am a highly compensated IT and Networking professional in the field for nearly 30 years). Sometimes, my Picasa Albums show up where they are supposed to show up and sometimes, well, they don't. They sometimes work flawlessly with Google+ or Google Drive and sometimes, well, they don't....
Here is my recommendation... Take one photo from your albums and synch it with Media Player and see how you like it... I hate it. I want to use Media Player for nothing. But, this is the start of making sure your network and base OS is working. Then make sure you are logged into your Picasa Account and create a single new Album with a single picture uploaded and see what you get. Please report back. will try to review my set up tonight when I get home and do the same.