Hi everyone, I just thought you would like to know that the firmware version 1.3.0 that Carsfanatic posted SusanII_v1.3.0_20071026 works like a champ on my TX-42F430S that I just bought from Costco at the end of October. It came with v1.6.3 and was having the same flickering issues with 1080p signals through my pc and now it is working just fine. I wasn't able to download the firmware update from westinghouse either since when I registered my serial number and entered it into the firmware update link it kept giving me the same error, "Sorry, those numbers do not match our records. Please call Customer Support for assistance." I then called Westinghouse support and they said that error message only shows up when the model doesn't have an available update. So then I asked if I could get a copy of the version 1.3.0 firmware and he said he couldn't help me with that.
So that being the case I asked Carsfanatic if he could get me a copy of the SusanII_v1.3.0_20071026 he had posted a while back and I guess he finally reposted it as you have probably seen.
So then I decided to try it out.
1. I formated a 1gb thumb drive to fat32 unzipped the file above and copied the two files to the thumb drive.
2. I unplugged my tv and plugged in the thumb drive and then plugged in the power.
3. I then pushed the power button and the light turned amber and after 30 sec it started flashing a blue light constantly so I thought it was done and unplugged the power and disconnected the thumb drive and then tried to power it on, but it wouldn't come back on. So I decided to try it again and this time when the flashing blue light began I let it sit there longer and then finally after a few minutes it turned a solid blue light.
4. Once it was a solid blue light I unplugged the power, unplugged the thumb drive, waiting a few seconds, and then plugged it back in and voila the W logo screen came up and the tv came on and so I checked the system information and it was now version 1.3.0 and everything works perfect.
Not only did it fix the hdmi flickering issue with 1080p signals, but it also fixed the audio problems with the Digital HD channels OTA and Cable.
I hope you guys find this helpful since the Westinghouse support wasn't at all.
Thanks again Carsfanatic for reposting the firmware, it is greatly appreciated!
Sturmur and Frostymelon I hope this helps you as well. Just make sure when the flashing blue light begins to let it continue until it stops blinking and is a solid blue light.