[CentOS] Problem installing 6.3 on HP8540w laptop

Thu Nov 15 21:49:24 UTC 2012
m.roth at 5-cent.us <m.roth at 5-cent.us>

david wrote:
> At 10:50 AM 11/15/2012, you wrote:
>>david wrote:
>> >
>> > The Centos installation I chose was the "NetInstall".  The
>> > installation process identified eth0, I selected IPV4 DHCP, disabled
>> > IPV6, and successfully completed the install of "desktop" using the
>> > wired connection through my home network.  The wireless was turned
>> > off.  The ethernet controller shows up in Windows with the name "Intel
>> > 8255LM".
>> >
>> > When the reboot occurred after installation, the Ethernet did not
>> > work.  The "ifconfig eth0" command showed no IP address.  Where do I
>> > go from here?
>> >
>>Hi, david. First question: does the laptop have a physical switch on the
>>side that turns on/off wifi, the way Dells do?
>>Try an lspci, and see if it shows.
>>If it does, wireless will be wlan0, usually. Why your wired ethernet's
>> not
>>working - look at dmesg and/or /var/log/messages, and see if the driver
>>was loaded. Next, look at /etc/sysconfig/network-scripts, and see if
>>ifcfg-eth0 is turned on at boot.
> Wireless has no "physical" switch, but something I think is pretty
> much the same.  There's a lighted button above the keyboard which, I
> think, is interpreted directly by the bios.  It shows "off", and does
> change when pressed.  It is set off, which I suppose means that the
> radio is off.
> The system does show both eth0 and wlan0, both as options during the
> net-install, and also in the "ifconfig" response.
> Strangely, when I tried the install again just now, and selected
> "Desktop" (instead of "Minimal Desktop" as I did last time), all
> worked properly.  Ethernet works.  Perhaps the problem is that
> "minimal desktop" didn't include the ethernet drivers?
> I guess I withdraw my complaint.

Good. Glad you're up. IIRC, the "minimal install" does *not* always
install either the NIC drivers, or maybe it's not the laundry list that
gets what you need.

Not sure having both the wired and wireless networking running at the same
time's a good idea.