55L421U toshiba tv with chromecast ,started a factory restart and it didnt work with my tablet it said anc went in a blinking mode with toshiba across the screen.any thing will help ty

Not sure about specifics on toshiba tablets, but wanted to suggest that on other tablets you can hold the up volume(sometimes others its volume down) and power button at sane time for about 10+seconds and a menu will pop up for a rebooting, safe mode, and factory restart(which erases and reboots from scratch) worth a shot.. Yet, be careful what you select if it works.. Don't want you to erase stuff if you don't want to.... And btw most tablets have a little pin size hole either under the camera lense or on side that something like a paper clip can push a reset button... But don't think that helps with password.. Just if it freezes up and won't shut down... Good luck.. Sorry if this doesn't help...

Depends what you want to accomplish. To play videos or pictures on TV you will need additional device like fire stick, chromecast, roku and more.

Buy a small gadget called a Google Chromecast. Attach it to the back of your tv then download the Chromecast App onto your tablet. You can get the full set of instructions on YouTube.

This can be done with a Google Chromecast, costing about $50-60.

https://www.google.com/intl/en_au/chromecast/tv/chromecast/
.

Tablets
I am typing this on a Toshiba Thrive so I am sending you to where I go for answers. In case the link does not work do a search for "Toshiba Forums"

Straight from Google's support site:
https://support.google.com/chromecast/answer/6059461?hl=en

Buy a Google Chromecast and plug it into your TV HDMI port. Setup is easy, just follow the onscreen instructions. You can cast your screen if whatever movie app you're using doesn't have specific Chromecast support. I don't work for Google! I find this works great for me and it wasn't hugely expensive either.

Most likely it is dead. If you tried a real factory reset, then just look for another tablet. Toshiba is not going to help you as, from my experience, they do not care after they sell you the prodcut and it gets out of warranty.

Consider Samsung.

You should look at a Google Chromecast.
This is an HDMI device, that you can stream from your android to the ChromeCast connected to your TV.
They are actually quite cheap to purchase.
Then you use your tablet to control it.
It should also work with Netflix.

have you tried chromecast? Its awesome and uses wifi to hdmi technology.