16" lcd new out of box flashing blue light on power indicator

The flashing standby light on your Luxor TV can indicate several things, including:

1. Power supply issues: If the TV is not receiving proper power, the standby light will flash.
2. Malfunctioning hardware: A malfunctioning component in the TV such as the power supply, main board, or backlight system can cause the standby light to flash.
3. Overheating: If the TV is overheating, it will go into protection mode and the standby light will flash.
4. Software issues: A software glitch can also cause the TV to display a flashing standby light.

If the flashing standby light persists, it's best to unplug the TV, wait a few minutes, and then plug it back in. If the problem persists, you may need to contact the manufacturer or a professional repair service for further assistance.

I'd buy a new TV, it's not worth fixing if it's 4 yrs old and manufactured by a company that went bankrupt

No, because it has no connectivity.

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Have you tried retuning ( menu,first time installation

Those blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices.
http://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/
If blinks continue without any pause, the main board is faulty.

Can I suggest ....if you have not already done so.....Switch off from the power button. Switch off from wall socket. Leave for a few minutes. Plug in..switch on....Make sure if you have a remote the batteries are OK..renew if you need to.

Flashing of standby light are fault indication, and is called blinking codes. From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit stage inside the TV. Count the number of blinks carefully for at least 3 times switch ON / OFF. If you wish to get more details, check this link. http://electronicshelponline.blogspot.com/ Selecting the view option, either to Mosaic / Time slide, can be selected by the drop-down list, at the top left of the display window, will make surf easy. You can also do a search, by type in the brand name/model number/IC used, in the search box at the top right of the display window. Blinking codes details to many popular brand TVs are given in detail.

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

The alternating blue orange light means you have put a reminder on for a program that hasnt started before you switched off, you need to remove the reminder before you turn the tv off then the light will be steady blue

Did you check fuse #16? It is 15A
If you know how to use a VOM (volts ohm meter) I write down the procedure for testing your sunroofs circuitry.

1. Check fuse 16 in fuse box
2. With a test light or with a VOM you will check if you have continuity from the fuse that powers your sunroof switch.
3. Check the black/white wire connected to the switch if you're receiving 11.5V min. If you do then you have power from fuse to switch.
4. Check if you have continuity for ground (-) from the interior light switch wire harness by probing the brown wire. If you do then you have a good ground connection for your sunroof motor.
   
5. From the fuse (16) and the yellow wire on the switch you should have 11.5V min when you actuate the switch.
6. From the fuse (16) and the blue wire on the switch you should have 11.5V min when you actuate the switch.
7. If no voltage in either #4 or #5 above when you actuate the switch then you have a bad switch.
8. From the switch to the sunroof motor you should have 11.5V min using the yellow and blue wire to the motor. If voltage is not present you have a bad connection from switch to motor.
9. If you have power to the motor and it doesn't do anything then you have a bad motor and needs replacing.