This should be it ( Copied from Steam Support : https://steamcommunity.com/app/358720/discussions/0/385428458171928063/ ) " The fix has worked successfully for several users, so we shipped the required files in the latest beta. You can find the files under your SteamVR install directory. The easiest way to get there is to right click on SteamVR in Steam, select Properties, click on the Local Files tab and Browse Local Files... Once there the firmware files live in: tools\lighthouse\firmware\lighthouse_tx\archive\htc_2.0 You will need two files: * lighthouse_tx_htc_2_0-calibration-rescue-244.bin * lighthouse_tx_htc_2_0-244-2016-03-12.bin WARNING: You should not attempt this fix unless your base stations are really broken. While it *should* be harmless, there is a non-zero chance it could make things worse. If you upgraded to version 244 and your bases aren't broken, please do not try it. This fix also applies only to HTC base stations, it will not work with older VDK1/Robin or the red laser Batman units. The procedure is much like upgrading manually, but you do it twice, once with the fix-up firmware which will try to fix the base station, then once it has completed the fix, again with the current latest firmware. 1. With the base station unpowered, connect via a micro-B USB cable to your PC. 2. Hold the mode button down and plug in the power lead. 3. You can release the button once it enumerates as a USB mass storage device. 4. The drive will be called “CRP_DISABLED” and contain one file “firmware.bin”, delete that file. 5. Copy over onto the drive the “lighthouse_tx_htc_2_0-calibration-rescue-244.bin” file. 6. Once the copy is complete, pull out the power lead. 7. Wait a few seconds then plug in the power again. Be sure not to press the mode button while powering it up this time. 8. In a couple of seconds it should rapidly flash green or red. Green means it succeeded. 9. If it is flashing red that means it couldn’t automatically fix it and I’ll need to look at the unit to work out why. 10. Unplug the power again. 11. Repeat steps 1 thru 7 but using the “lighthouse_tx_htc_2_0-244-2016-03-12.bin” firmware file instead of the rescue one. 12. The base should now be working again, confirm by setting its mode to "A" and tracking with it alone (the other base turned off). Once it is confirmed working you can add back the other base. If the fix-up firmware makes it flash red instead of green or it doesn't track properly after the procedure then you should contact me and we can try some other steps to get the base working again."
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You get the code on the box which is in order redeemed on www.vive.com/code From there you will get another code that you can redeem on the Viveport desktop app. It might ask you to input payment information to "start" the subscription but you should not get charged before those 2 months are over. You can cancel anytime before that happens.
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