Facing TV Problems? Ask a TV Technician.
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Offhand, this set will freeze with the W startup screen due to the Mainboard failing (these symptoms are the same across all brand and model of flat screen). The Mainboard contains the processor which allows the set to bootup past this logo- and display external Inputs (AV from Cable/SAT/DVD,etc.). That said, in many cases this occurs when cables are plugged in while the set is turned ON (which is not recommended in any way). This likely requires replacement of the Mainboard in the set.
However it's worth it to try a hard reset, as sometimes the processor in the TV can simply have locked up.
The first thing you would try, is disconnect the set from power, then press and hold the power button on the TV itself (not the remote), for 10 seconds and release. Then plug the set back in, and also check that the power cord is connected tight at the TV as well. Press power once, and see if the set powers up normally. Try this procedure up to 2 times, and please let me know what happens.
Are you able to get any response from the set beyond the W logo please? Also how old is this set roughly (over or under a year from the date of purchase)?
If you're still having the same problem, and the set is over a year from the date of purchase (out of warranty), then there are two ways to go about fixing this. One is to purchase the Mainboard (which is $50 at the link below) and replace it yourself. It is a "plug and play" part- meaning no soldering or special tools are needed to replace it- however the rear of the TV must be removed to access it:
Alternatively, if this is not something you're comfortable with, then a shop will typically charge $175-$200 parts and labor for this repair and can be located using the link below:
Other than that, I'm sorry for the bad news and wish there were a quick fix.
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