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Re: Please help with - it seems - no WiFi interface at all



On Sunday 28 June 2015 12:59:39 Rodolfo Medina wrote:
> Lisi Reisz <lisi.reisz@gmail.com> writes:
> > On Sunday 28 June 2015 11:04:17 Rodolfo Medina wrote:
> >> On my old Hyundai laptop there seems to be no WiFi interface at all:
> >> there's no wlan0 entry in ifconfig's output:
> >>
> >> # ifconfig -a
> >> eth0      Link encap:Ethernet  HWaddr 00:03:0d:33:02:17
> >>           inet addr:192.168.1.4  Bcast:192.168.1.255  Mask:255.255.255.0
> >>           inet6 addr: fe80::203:dff:fe33:217/64 Scope:Link
> >>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
> >>           RX packets:31034 errors:0 dropped:0 overruns:0 frame:0
> >>           TX packets:32671 errors:0 dropped:0 overruns:0 carrier:0
> >>           collisions:0 txqueuelen:1000
> >>           RX bytes:27149691 (25.8 MiB)  TX bytes:6133808 (5.8 MiB)
> >>
> >> lo        Link encap:Local Loopback
> >>           inet addr:127.0.0.1  Mask:255.0.0.0
> >>           inet6 addr: ::1/128 Scope:Host
> >>           UP LOOPBACK RUNNING  MTU:65536  Metric:1
> >>           RX packets:84 errors:0 dropped:0 overruns:0 frame:0
> >>           TX packets:84 errors:0 dropped:0 overruns:0 carrier:0
> >>           collisions:0 txqueuelen:0
> >>           RX bytes:18333 (17.9 KiB)  TX bytes:18333 (17.9 KiB)
> >>
> >> , and also
> >>
> >> # lshw -c network
> >>   *-network
> >>        description: Ethernet interface
> >>        product: SiS900 PCI Fast Ethernet
> >>        vendor: Silicon Integrated Systems [SiS]
> >>        physical id: 4
> >>        bus info: pci@0000:00:04.0
> >>        logical name: eth0
> >>        version: 91
> >>        serial: 00:03:0d:33:02:17
> >>        size: 100Mbit/s
> >>        capacity: 100Mbit/s
> >>        width: 32 bits
> >>        clock: 33MHz
> >>        capabilities: pm bus_master cap_list rom ethernet physical tp mii
> >> 10bt 10bt-fd 100bt 100bt-fd autonegotiation configuration:
> >> autonegotiation=on broadcast=yes driver=sis900 driverversion=v1.08.10
> >> Apr. 2 2006 duplex=full ip=192.168.1.4 latency=64 link=yes maxlatency=11
> >> mingnt=52 multicast=yes port=MII speed=100Mbit/s resources: irq:19
> >> ioport:d800(size=256) memory:dfffc000-dfffcfff memory:dffc0000-dffdffff
> >>
> >> shows up - as far as I understand - nothing about WiFi.
> >>
> >> Please help abilitate WiFi connection on that PC.  With google I
> >> couldn't work it out.
> >
> > Have you got the driver for your wifi card? and is it installed?
>
> I really don't know.  Here's also
> /etc/udev/rules.d/70-persistent-net.rules:
>
> # PCI device 0x1039:0x0900 (sis900)
> SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*",
> ATTR{address}=="00:03:0d:33:02:17", ATTR{dev_id}=="0x0", ATTR{type}=="1",
> KERNEL=="eth*", NAME="eth0"
>
> # USB device 0x:0x (r8188eu)
> SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*",
> ATTR{address}=="14:cc:20:11:82:ec", ATTR{dev_id}=="0x0", ATTR{type}=="1",
> KERNEL=="wlan*", NAME="wlan0"
>
> Help appreciated.
>
> Rodolfo

Another two questions:
Do you know for a fact that you have got a wireless card?  
If so, and it is internal, is it turned on?  There is often a small hardware 
switch on laptops taht can be turned on or off, or a combination of keys, 
usually one or more function keys, that has to be pressed to turn wireless 
on.  If it is turned off, it won't work.

Lisi


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