Function Keys Need Fn on Your Laptop? Flip the Fn Lock
F1 to F12 only work with Fn held? Press Fn and Esc, or flip Function key lock or Hotkey Mode in Lenovo Vantage, MyASUS, Armoury Crate or the BIOS.
Informational
Which Device Did You Plug In? Change It in the Audio App
The Which device did you plug in box comes from Realtek or Waves MaxxAudio, not Windows. Switch it off, or bring it back to fix a dead headset mic.
Remote Desktop No Sound? Restart Audio on the Remote PC
No sound over Remote Desktop? Restart Windows Audio inside the session, set the Port Redirector to Automatic and check AudioEnumeratorDll reads rdpendp.dll.
Taskkill Says No Running Instance? The Process Is Stuck
Taskkill says There is no running instance of the task? The process is stuck on its way out. Free the drive or program holding it, or try WMI.
Convert MBR to GPT Without Losing Data: Validate First
MBR2GPT converts your Windows disk from MBR to GPT without deleting data. Validate first, fix a fourth or logical partition, then switch the firmware to UEFI.
Windows Signs Out Right After You Sign In? Check Two Things
Windows says Welcome, then Signing out, and you never reach the desktop? A damaged NTUSER.DAT or a bad Userinit value is behind it, and who fails tells you which.
Blank Icons in Windows Search Results? Nudge the Scale
App icons blank in Windows search results but fine in Start? Change the display scale and back, restart SearchHost.exe, or clear the search icon cache.
Static IP Replaced by 169.254? Another Device Has It
A static IP that turns into a 169.254 Autoconfiguration address means another device answered for it. Find the printer, camera or VM and pick a free address.
ClickOnce Says Your Administrator Has Blocked It? One Key
ClickOnce says your administrator has blocked this application? A trust prompt zone is set to Disabled. Set it back to Enabled in the TrustManager registry key.
Ethernet 2 and the Name Already Exists? Find the Ghost
Windows calls your only port Ethernet 2 and will not rename it? A hidden old adapter still holds the name. Remove it in Device Manager, then rename the connection.