With procmon I found these. Make sure they're not set to 1 or just delete them and either reboot or restart explorer
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\HideSCAVolume SUCCESS Type: REG_DWORD, Length: 4, Data: HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\HideSCANetwork SUCCESS Type: REG_DWORD, Length: 4, Data: HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\HideSCAPower SUCCESS Type: REG_DWORD, Length: 4, Data: 1