求助，联想小新无线网卡找不到，怎么处理，求指点

[古典音符]

*-network
description: Ethernet interface
product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:01:00.0
logical name: eth0
version: 10
serial: 28:d2:44:70:e2:50
size: 100Mbit/s
capacity: 1Gbit/s
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix vpd bus_master cap_list 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=rtl8168g-3_0.0.1 04/23/13 ip=192.168.1.103 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s
resources: irq:60 ioport:4000(size=256) memory:b0504000-b0504fff memory:b0500000-b0503fff
*-network UNCLAIMED
description: Network controller
product: RTL8723BE PCIe Wireless Network Adapter
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:02:00.0
version: 00
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list
configuration: latency=0
resources: ioport:3000(size=256) memory:b0400000-b0403fff


另外只能用集成显卡，开独显也报错。

[sunnsi]

装这个：https://launchpad.net/ubuntu/+source/linux-firmware
如果还不行的话，就是还没有realtek rtl8723BE在linux下的驱动。
我的rlt8192ee，至今没有linux驱动