我在 HP 15-n209tx 上使用 Ubuntu GNOME 15.04。我知道这个问题之前已经被问过好几次了，但到目前为止我还没能解决我的问题。当我启动我的操作系统时，WiFi 连接得很好。但在我浏览时，Wifi 会自动断开连接并要求输入 wifi 密码才能重新连接。我运行了 $sudo lshw -C network 命令，下面是相同的输出
*-network
description: Wireless interface product: RT3290 Wireless 802.11n 1T/1R PCIe vendor: Ralink corp. physical id: 0 bus info: pci@0000:08:00.0 logical name: wlan0 version: 00 serial: 48:5a:b6:c5:58:4d width: 32 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless configuration: broadcast=yes driver=rt2800pci driverversion=3.19.0-15-generic firmware=0.37 ip=172.16.225.231 latency=0 link=yes multicast=yes wireless=IEEE 802.11bgn resources: irq:18 memory:b5510000-b551ffff *-network description: Ethernet interface product: RTL8101E/RTL8102E PCI Express Fast Ethernet controller vendor: Realtek Semiconductor Co., Ltd. physical id: 0 bus info: pci@0000:09:00.0 logical name: eth0 version: 08 serial: a0:1d:48:df:52:f8 size: 10Mbit/s capacity: 100Mbit/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 autonegotiation configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half firmware=rtl8106e-2_0.0.1 04/23/13 latency=0 link=no multicast=yes port=MII speed=10Mbit/s resources: irq:43 ioport:4000(size=256) memory:b5404000-b5404fff memory:b5400000-b5403fff
我现在该怎么办？我是 Ubuntu 新手，任何帮助我都非常感谢。