Now this could have been because of the LAN/WLAN/WWANN service the whole time but it also could have been because i had to lock out the internet to install those drivers. I know pc troubleshooting your supposed to do one thing at once but i got fed up with this and wasn't sure if HP was gonna ever fix this since it was clearly their fault, i even spent an evening reinstalling windows 11, which for the record is annoying to install without a user account I cant remember why this was disabled whether it was me doing that or not but enabling it, i also re enabled the UWP hot key service, all good, then i pressed the brightness button and brightness is back!!! woohoo!!! I went back to services, I noticed that the HP LAN/WLAN/WWAN switching UWP service was disabled. I went to this forum post to find the correct link.Īfter i installed that it didnt work yet, but no warning pop up box. I tested the brightness button and this time a box came up and said i needed the CASLSetup.exe. Went to reinstall the second driver after that, the one from 2022, and that one did install. ![]() ![]() So I went to the download folder and ran the installer for the oldest UWP driver… that one didn’t work, I tried starting the UWP service and same error, nothing. I also made sure under services it was no longer disabled, which was interesting because at this point it was there but by setting it to automatic and hitting start it said there wasn't anything there to turn on. I turned on airplane mode, and uninstalled under the device manager, software components, the UWP hot key one. Went to the hp website and downloaded the oldest UWP hot key driver, the last two oldest available from 20. I disabled and uninstalled all of the HP software, the framework one, and the support assistant. One of two things occurred to fix the UWP hot key empty error I FOUND A SOLUTION!!! I have an Elitebook 745 G6 Business PCs, Workstations and Point of Sale Systems. ![]()
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