Please help me with the problem that wireless network adapters cannot access the Internet !!!
Source: Internet
Author: User
Please help me with the problem that wireless network adapters cannot access the Internet !!! -- Linux general technology-Linux technology and application information. For details, refer to the following section. My computer is thinkpad E420 system is win7 + opensuse12.1 desktop is gnome3
Display wireless network card "unavailable" in networkmanager ("Disable wireless network card" in kde Desktop). After activating wlan0 with ifconfig, you can use iwlist wlan0 scan to search for wireless networks, in the network settings of yst2, networkmanager is gray and cannot be configured. Configuration with ifup does not work.
The NIC information is as follows:
# Iwlist wlan0 scan
. 0 Network controller: Realtek semiconduco., Ltd. RTL8188CE 802.11b/g/n WiFi Adapter (rev 01)
Subsystem: Realtek semiconduco., Ltd. Device 8195
Flags: bus master, fast devsel, latency 0, IRQ 19
I/O ports at 3000
Memory at a1d00000 (64-bit, non-prefetchable)
Capabilities: [40] Power Management version 3
Capabilities: [50] MSI: Enable-Count = 1/1 Maskable-64bit +
Capabilities: [70] Express Endpoint, MSI 00
Capabilities: [1, 100] Advanced Error Reporting
Capabilities: [140] Virtual Channel
Capabilities: [2, 160] Device Serial Number 01-91-81-fe-ff-4c-e0-00
Kernel driver in use: rtl8192ce
# Ifconfig
Eth0 Link encap: Ethernet HWaddr F0: DE: F1: 8D: 99: 2F
Up broadcast multicast mtu: 1500 Metric: 1
RX packets: 0 errors: 0 dropped: 0 overruns: 0 frame: 0
TX packets: 0 errors: 0 dropped: 0 overruns: 0 carrier: 0
Collisions: 0 FIG: 1000
RX bytes: 0 (0.0 B) TX bytes: 0 (0.0 B)
Interrupt: 44 Base address: 0xc000
Wlan0 Link encap: Ethernet HWaddr 38: 59: F9: E0: 59: EA
Up broadcast multicast mtu: 1500 Metric: 1
RX packets: 0 errors: 0 dropped: 0 overruns: 0 frame: 0
TX packets: 0 errors: 0 dropped: 0 overruns: 0 carrier: 0
Collisions: 0 FIG: 1000
RX bytes: 0 (0.0 B) TX bytes: 0 (0.0 B)
# Iwconfig
Lo no wireless extensions.
Wlan0 IEEE 802.11bgn ESSID: off/any
Mode: Managed Access Point: Not-Associated Tx-Power = 20 dBm
Retry long limit: 7 RTS thr = 2347 B Fragment thr: off
Encryption key: off
Power Management: off
Eth0 no wireless extensions.
Question: 1. How can I enable the wireless network card automatically upon startup?
2. Why cannot I enable the wireless Nic configuration in the graphic interface? How should I configure it?
3. If the problem persists, how can I use commands to configure and connect wpa/psk wireless networks?
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