好吧,你打开终端输入lspci贴一下出来的结果。另外详细描述下你的上网方式(LAN/ADSL,公网/校园网,联通/电信等等)。
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如图:wl@wl-A14RM0C:~$ lspci
00:00.0 Host bridge: Advanced Micro Devices [AMD] RS880 Host Bridge
00:01.0 PCI bridge: Holco Enterprise Co, Ltd/Shuttle Computer Device 9602
00:11.0 SATA controller: ATI Technologies Inc SB7x0/SB8x0/SB9x0 SATA Controller [IDE mode] (rev 40)
00:12.0 USB Controller: ATI Technologies Inc SB7x0/SB8x0/SB9x0 USB OHCI0 Controller
00:12.2 USB Controller: ATI Technologies Inc SB7x0/SB8x0/SB9x0 USB EHCI Controller
00:13.0 USB Controller: ATI Technologies Inc SB7x0/SB8x0/SB9x0 USB OHCI0 Controller
00:13.2 USB Controller: ATI Technologies Inc SB7x0/SB8x0/SB9x0 USB EHCI Controller
00:14.0 SMBus: ATI Technologies Inc SBx00 SMBus Controller (rev 42)
00:14.2 Audio device: ATI Technologies Inc SBx00 Azalia (Intel HDA) (rev 40)
00:14.3 ISA bridge: ATI Technologies Inc SB7x0/SB8x0/SB9x0 LPC host controller (rev 40)
00:14.4 PCI bridge: ATI Technologies Inc SBx00 PCI to PCI Bridge (rev 40)
00:14.5 USB Controller: ATI Technologies Inc SB7x0/SB8x0/SB9x0 USB OHCI2 Controller
00:15.0 PCI bridge: ATI Technologies Inc SB700/SB800/SB900 PCI to PCI bridge (PCIE port 0)
00:15.1 PCI bridge: ATI Technologies Inc SB700/SB800/SB900 PCI to PCI bridge (PCIE port 1)
00:16.0 USB Controller: ATI Technologies Inc SB7x0/SB8x0/SB9x0 USB OHCI0 Controller
00:16.2 USB Controller: ATI Technologies Inc SB7x0/SB8x0/SB9x0 USB EHCI Controller
00:18.0 Host bridge: Advanced Micro Devices [AMD] Family 10h Processor HyperTransport Configuration
00:18.1 Host bridge: Advanced Micro Devices [AMD] Family 10h Processor Address Map
00:18.2 Host bridge: Advanced Micro Devices [AMD] Family 10h Processor DRAM Controller
00:18.3 Host bridge: Advanced Micro Devices [AMD] Family 10h Processor Miscellaneous Control
00:18.4 Host bridge: Advanced Micro Devices [AMD] Family 10h Processor Link Control
01:05.0 VGA compatible controller: ATI Technologies Inc M880G [Mobility Radeon HD 4200]
01:05.1 Audio device: ATI Technologies Inc RS880 Audio Device [Radeon HD 4200]
03:00.0 System peripheral: JMicron Technology Corp. SD/MMC Host Controller (rev 80)
03:00.2 SD Host controller: JMicron Technology Corp. Standard SD Host Controller (rev 80)
03:00.3 System peripheral: JMicron Technology Corp. MS Host Controller (rev 80)
03:00.5 Ethernet controller: JMicron Technology Corp. JMC250 PCI Express Gigabit Ethernet Controller (rev 03)
04:00.0 Network controller: Atheros Communications Inc. AR9285 Wireless Network Adapter (PCI-Express) (rev 01)
使用的是校园网,有线,固定ip,ip填写无误,网卡是
网卡 智微 JMC25X PCI Express Gigabit Ethernet Adapter
制造商 浩鑫
无线网卡 Atheros AR9285 Wireless Network Adapter
制造商 Azurewave
无线网无法开启