我刚刚用一块新主板替换了旧的坏主板。我没有格式化硬盘，因为 Ubuntu 15.04 就像我希望的那样启动了。
我第一次启动操作系统时，互联网运行良好，因此以太网接口工作正常。经过几次重启后，以太网就死机了。我尝试运行：
ifconfig
输出为：
lo Link encap:Loopback locale
...
所以它看不到任何 eth0 接口。
我尝试从 Live CD 启动，但结果相同。我的主板也是：华擎 ZH77 Pro3
您觉得怎么样？我能做些什么来解决我的问题吗？
编辑：这是输出：sudo lshw | grep product
product: To Be Filled By O.E.M. (To Be Filled By O.E.M.)
product: ZH77 Pro3
product: CMX4GX3M2B1600C9
product: CMX4GX3M2B1600C9
product: Intel(R) Core(TM) i5-2500 CPU @ 3.30GHz
product: 2nd Generation Core Processor Family DRAM Controller
product: Xeon E3-1200/2nd Generation Core Processor Family PCI Express Root Port
product: Barts XT [Radeon HD 6870]
product: Barts HDMI Audio [Radeon HD 6800 Series]
product: 7 Series/C210 Series Chipset Family USB xHCI Host Controller
product: 7 Series/C210 Series Chipset Family MEI Controller #1
product: 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #2
product: 7 Series/C210 Series Chipset Family PCI Express Root Port 1
product: PEX8112 x1 Lane PCI Express-to-PCI Bridge
product: CMI8788 [Oxygen HD Audio]
product: 82801 PCI Bridge
product: 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #1
product: H77 Express Chipset LPC Controller
product: 7 Series/C210 Series Chipset Family 6-port SATA Controller [AHCI mode]
product: 7 Series/C210 Series Chipset Family SMBus Controller
product: WDC WD7500AALX-0
product: ST500DM005 HD502
product: iHAS424 A