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Click "Product Support" in the menu along the top of the home page. The Product Support drop-down menu opens.
Select "Televisions" beneath Choose Category.
Select your type of Toshiba TV beneath Choose Family. For example, options include 3D TV, LCD TV and LED TV.
Select your Toshiba TV model beneath Choose Model.
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.
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.
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.
Click the red "Download Now" button and save the file to your connected USB flash drive.
Extract the contents of the ZIP file on the USB flash drive.
Disconnect the USB flash drive from the computer after the firmware update file saves successfully to the device.
Power on the Toshiba TV and then connect the USB flash drive to the USB port on the Toshiba TV.
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.
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.
Go to Philips web site, (enter Model number....) then download updated software & drive to update your TV software. It will fix that problem. I just did for my TV (42PF7320A/37). Here is the link: Download and save in USB. Stick USB on the TV' USB then updated from there. Hope, It will work. Good look!
This issue may be resolved by performing a firmware update. To do this you need to gather your TVs important info, including serial number and model. Then go to your TV manufacturer's website and pull up your model's support page. On that page there should be a firmware update link. This link will download a firmware update to your computer so you can upload it to a USB drive to use on your TV. Each TV has a set of instructions for updating the firmware. I would advise you find and familiarize yourself with these instructions before trying to update your TV.
First,you have to go to www.sharpusa.com and look up your model number and see if there is updated firmware. If there is then download it to a flash stick then install it into your usb port and follow the directions. If your model is not on the list PLEASE DON'T download just any firmware update.
You will need a USB port or SD Card reader on the TV set in order to update the TV's Firmware. (note: some TV manufactures specify what types of memory are compatible with their TV sets i.e. magic gate, etc.)
Use the appropriate storage device for your TV set and go to:
Try sticking in a blank but empty USB memory stick into the USB port.... have the real remote (philips not a universal) ready... Go into the TV Menu..Select Software Update, then select Update Assistant.... then right click over to start now... It will write an HTML file to the memory card.. wait for it to say done,(been awhile since iv done it), plug it into your PC/Mac and open the file on the USB stick.... if you need an update it will check for it... download the update and the instructions to your desktop (might be compressed, if so open it and copy the files according to the readme.... stop the stick (eject) in Windows or the mac equivalent... pull it out of the pc.. turn OFF the tv and insert...
This can very likely stop the reboot loop.. Iv seen mentions of some tv firmware revisions having this problem.