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I'm a bit new to ubuntu, I just installed it as a dual boot with windows 8. Now, my wireless internet connection is not working on either of my OS.

I tried to reinstall the wireless drivers from my laptop manufacturer's (vaio's) site, but that didn't help. When I trouble shoot in windows (again since I am a bit new to ubuntu, I'm not sure how to trouble shoot in ubuntu) the message displayed is that my wifi radio is off -- My laptop doesn't have a wifi button (yes I'm sure about that - also the green light for wifi is on)

The sony customer care has been next to useless. They are saying that they can only help me if I remove ubuntu from my laptop. I would prefer not to do that.

I don't think the problem is with my wireless card - wifi was working fine before I had installed ubuntu.

Any help would be appreciated. Thanks in advance.

00:00.0 Host bridge [0600]: Intel Corporation 3rd Gen Core processor DRAM Controller [8086:0154] (rev 09)
00:01.0 PCI bridge [0604]: Intel Corporation Xeon E3-1200 v2/3rd Gen Core processor PCI Express Root Port [8086:0151] (rev 09)
00:02.0 VGA compatible controller [0300]: Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09)
00:14.0 USB controller [0c03]: Intel Corporation 7 Series/C210 Series Chipset Family USB xHCI Host Controller [8086:1e31] (rev 04)
00:16.0 Communication controller [0780]: Intel Corporation 7 Series/C210 Series Chipset Family MEI Controller #1 [8086:1e3a] (rev 04)
00:1a.0 USB controller [0c03]: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #2 [8086:1e2d] (rev 04)
00:1b.0 Audio device [0403]: Intel Corporation 7 Series/C210 Series Chipset Family High Definition Audio Controller [8086:1e20] (rev 04)
00:1c.0 PCI bridge [0604]: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 1 [8086:1e10] (rev c4)
00:1c.1 PCI bridge [0604]: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 2 [8086:1e12] (rev c4)
00:1c.2 PCI bridge [0604]: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 3 [8086:1e14] (rev c4)
00:1d.0 USB controller [0c03]: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #1 [8086:1e26] (rev 04)
00:1f.0 ISA bridge [0601]: Intel Corporation HM76 Express Chipset LPC Controller [8086:1e59] (rev 04)
00:1f.2 SATA controller [0106]: Intel Corporation 7 Series Chipset Family 6-port SATA Controller [AHCI mode] [8086:1e03] (rev 04)
00:1f.3 SMBus [0c05]: Intel Corporation 7 Series/C210 Series Chipset Family SMBus Controller [8086:1e22] (rev 04)
01:00.0 VGA compatible controller [0300]: Advanced Micro Devices [AMD] nee ATI Thames XT/GL [Radeon HD 7600M Series] [1002:6840]
02:00.0 Network controller [0280]: Intel Corporation Centrino Wireless-N 2230 [8086:0887] (rev c4)
03:00.0 SD Host controller [0805]: Ricoh Co Ltd MMC/SD Host Controller [1180:e822] (rev 07)
03:00.1 System peripheral [0880]: Ricoh Co Ltd Device [1180:e232] (rev 04)
04:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller [10ec:8168] (rev 07)

P.S. There is no hardware switch. wireless light of laptop is green Model number is SVE14A16FN (H) rfkill list all ? (got deleted some how) 0: sony-wifi: Wireless LAN Soft blocked: yes Hard blocked: no 1: sony-bluetooth: Bluetooth Soft blocked: yes Hard blocked: no 2: phy0: Wireless LAN Soft blocked: yes Hard blocked: yes

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Please edit your question to add details about the model of you Sony Vaio. Also the result of these two terminal commands: lspci -nn and rfkill list all. –  chili555 Mar 4 '13 at 15:56
    
I know it sounds silly - but is there maybe a physical on/off switch you missed? –  pythonm Mar 4 '13 at 16:26
    
does sudo rfkill unblock all help anything? –  phipsalabim Mar 4 '13 at 18:20
    
Yes, yes it did help. Thankyou so much, phipsalabim. –  odgreat Mar 4 '13 at 18:33
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