NEED HELP BAD. Luxor TV (Asda) keeps resetting my settings when turned off and on!

No, because it has no connectivity.

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Have you tried retuning ( menu,first time installation

Probably not, as on most TVs, the USB port(s) are usually input only, not output.

So if you have confirmed that your antenna is good and delivering sufficient signal strength, then the issue has to be with a defective front end or tuner section. Usually located on main board of set.

To buy it's original remote control contact the authorized service center. To buy a universal remote control you should know about the set up codes for your device brand first. Visit the site linked here to know more about the set up codes and proceedings. Find out which brand remote control have set up codes for your device brand, and buy that brand remote control according to availability. http://remotesearch.blogspot.com/ http://electrohelponline.blogspot.com/

Check amazon.

There are two possibilities:

1. channel memory is retained by an internal battery, which has died and needs to be replaced;

2. channel memory is retained in a memory chip, which for some reason is not functioning properly or has failed.

Either way you're going to need to fix something inside the set. TVs are so inexpensive today, you're better off buying a new one.

0000,0202,2244,3487. Check these codes. If you wish to get more; check the sites linked here. It has set-up code list & set-up procedure to many popular brand remote controls. See it in "Mosaic" or "Magazine" view. It will make surf easier. Do a search by type in the brand name of your device at its search box.
http://electrohelponline.blogspot.com/ Check this link too. http://remotesearch.blogspot.com/

I have a luxor lux-40-914-tvb and I need to know what usb devices will work on it

Please see that the Auto Timer is corrected . Remove the power off the TV and keep aside so that it will reset. Now check for the timer set up. You can correct this settings by checking with the menu - timer settings.