The USB port does not work on my Sanyo TV model CE32LD17-B

No, because it isn't a smart television, just a nice one. Also it doesn't connect to the Internet.

https://www.sanyo-av.com/ca/product/product.php?id=570

Most likely flash drive format not compatible with your TV. Need to format flash drive to be compatible with TV. But you will lose everything on the flash drive.

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USB Flash Drive Movies on your Flat Screen TV - YouTube

? 4:10
https://www.youtube.com/watch?v=ge4Wo9FQf8w
Oct 5, 2014 - Uploaded by 21NorthMedia
How to watch Movies & Photos from your USB Flash Drive via the USB Port on your Flat Screen TV.

Watch a movie on your TV from a USB drive. - YouTube

? 2:40
https://www.youtube.com/watch?v=jOhvbdVkPaM
Nov 10, 2012 - Uploaded by DIYallday
I'm trying to play movies from my USB port, but when I plug it I can't .... My LG 47" TV will recognize and open the flash drive, but shows empty.

How to Update Toshiba TV Firmware

1. Plug a USB flash drive in to an available USB port on your computer and copy any files from the drive that you want to keep into a separate folder on your computer.
2. Format the drive as a FAT32 file system. This erases all of the files currently on the USB flash drive.
3. Click here to open the Toshiba Support home page.
4. Click "Product Support" in the menu along the top of the home page. The Product Support drop-down menu opens.
5. Select "Televisions" beneath Choose Category.
6. Select your type of Toshiba TV beneath Choose Family. For example, options include 3D TV, LCD TV and LED TV.
7. Select your Toshiba TV model beneath Choose Model.
8. Click the red "Go" button to the right of the Choose Model section after selecting your Toshiba TV model. The product support page for that specific TV model will be displayed.
9. Select the "Downloads" tab. If there are no downloads available for your TV model, either your won't be able to click the tab or there will be a message within the tab that says there are no downloads at this time. If this is the case, no firmware updates are available for your Toshiba TV. Check back periodically, as firmware updates are released as needed and aren't scheduled.
10. If there is content in the Downloads section, look in the Category section for an item titled TV Firmware. If this option doesn't appear, no firmware update is available. However, if this option does appear, click the clickable link associated with the firmware. The TV Firmware Update and Release Notes dialog box appears. In this dialog box you can see the size of the firmware update file, when it was released, exactly what it addresses and more.
11. Click the red "Download Now" button and save the file to your connected USB flash drive.
12. Extract the contents of the ZIP file on the USB flash drive.
13. Disconnect the USB flash drive from the computer after the firmware update file saves successfully to the device.
14. Power on the Toshiba TV and then connect the USB flash drive to the USB port on the Toshiba TV.
15. Wait a few moments for the "Firmware file is detected in USB" dialog box to appear on the screen. Select "Yes" to update the firmware. A progress bar displays on the screen. Be careful not to turn your TV off while the firmware is updating. The progress bar changes to a "Success!" message after the update successfully installs.
16. Disconnect the USB flash drive from the TV and then restart the TV. After the TV restarts you can resume using the TV as you normally would.

If you wish to get some details; check the site linked here. Viewing it in "Mosaic" will make surf easy.
http://electronicshelponline.blogspot.com/
Illustrations to defective LCD screens are given.

Just plug your USB flash drive into the USB port of your computer or other USB-equipped device and drag the files you want to take with you into the folder that appears on your screen. Your files are instantly transferred to your USB flash drive. To transfer the items on your USB flash drive onto another computer, simply plug your USB flash drive into the computer that you want the files transferred to, open the folder that appears on your screen, and drag the desired files onto the computer's desktop.

1.) Insert Flash Drive into the USB Port of your computer.

-Where is my USB port? It is usually found in newer model computers in a hidden compartment on the front of the hard drive and in the back of the hard drive on older computers. The port for laptops is found on the side or back of the computer.

2.) Wait for the hardware to automatically install on your computer.

After the hardware is installed, it is ready to use!

3.) In most cases, an Options Window will automatically open. Select "Open folder to view files" Click "OK."

Its a software problem of tv , its better to go to service centre.

get a flash drive (blank & formatted)..go to philips web site and see if there is any new firmware offered.for your tv model. if so download to flash drive...shut tv off...plug flash drive to usb port in back of tv....now turn on tv if firmware is need the tv will update (blue or blank screen) before you see a regular picture

First verify the exact Model Number of your TV. Mine is a 42PF7220A/37.

go to:
http://www.p4c.philips.com/cgi-bin/dcbint/cpindex.pl?ctn=42PF7220A/37&scy=us&slg=en

On this page I found listed under "Software & drivers" the Firmware Upgrade Software 42PF7220A/37 v1.5.0.0

I downloaded the compressed file and extracted it to a USB Flash Drive.
After you extract the file you will have 2 files...."autorun.upg" and a "readme.txt".
Print out the readme file the delete it off the USB Flash Drive
Make sure the USB Flash Drive has only one file on it (autorun.upg)

Then just follow the instructions from the "readme" file.

Fixed the "Menu" problem for me.....

power supply faulty