Samsung tv D series web browser not working - Samsung LE32R41BD 32 in. HD-Ready LCD Television

I am assuming you want to use Chorme the browser.
Most Samsung Smart TV (Like the Samsung 6000 series Smart TV from 2013/14 have Chrome built-in.
What is your model and year ?
In older units, not sure if it is possible. In the older TVs even if you try to install the app from the browser on the TV. Unfortunately perhaps there is not an option to download an alternate browser on your TV.

You need to enable cookies on your web browser
Try this link to get more details.
Electro help

Refer its user manual for details about wireless set-up. Electro help

Samsung Series 6 60-inch F6400 LED TV User Manual:

copy and paste this link in your internet browser to see:

http://downloadcenter.samsung.com/content/UM/201406/20140616165949135/X12DVBADF-1128.pdf

.

Get a faster connection, over 8 meg

Maybe there is a setting that should be SAVED.

Make sure you have it set to wireless off in the menu or it will not recognise the ethernet port on the back even if it is flashing. Most tvs with browsers come with the wirless function set to on. Also if it has search for internet signal you could try this to get it to rec. as well.

At the moment you are restricted to Chrome or Opera.

Opera Mini for Android

Firefox for Android is coming soon, see here Firefox for Android.