RT3092 Wireless works in 16.04 liveUSB but not installed OS

[Tim Wiel]

The RT3092 wireless works out of the box on a Live USB OS install but not in the installed OS on HD.

lshw -C network gives...

  *-network
       description: Ethernet interface
       product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
       vendor: Realtek Semiconductor Co., Ltd.
       physical id: 0
       bus info: pci@0000:02:00.0
       logical name: enp2s0
       version: 03
       serial: 40:61:86:c0:b3:4f
       size: 100Mbit/s
       capacity: 1Gbit/s
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress msix vpd bus_master cap_list rom ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full firmware=rtl_nic/rtl8168d-1.fw ip=192.168.1.194 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s
       resources: irq:26 ioport:d800(size=256) memory:fbdff000-fbdfffff memory:faffc000-faffffff memory:fbdc0000-fbddffff
  *-network DISABLED
       description: Wireless interface
       product: RT3092 Wireless 802.11n 2T/2R PCIe
       vendor: Ralink corp.
       physical id: 0
       bus info: pci@0000:04:00.0
       logical name: wlp4s0
       version: 00
       serial: 00:26:82:65:4d:3a
       width: 32 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
       configuration: broadcast=yes driver=rt2800pci driverversion=4.4.0-36-generic firmware=0.34 latency=0 link=no multicast=yes wireless=IEEE 802.11bgn
       resources: irq:17 memory:fbff0000-fbffffff

iwconfig gives:
enp2s0 no wireless extensions.

lo no wireless extensions.

wlp4s0 IEEE 802.11bgn ESSID:off/any
          Mode:Managed Access Point: Not-Associated Tx-Power=0 dBm
          Retry short limit:7 RTS thr:off Fragment thr:off
          Encryption key:off
          Power Management:off