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Desktop will not connect to router


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49 replies to this topic

#1 Wee2Mo

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Posted 02 September 2011 - 08:30 PM

Make and model of computer
The computer is a home-built. The motherboard is a Gigabyte GA-880GMA-UD2H, which has a Realtek RTL8111D/E LAN chip.

How the computer is connected (wireless or wired)

Wired

Make and model of Router
Router is a D-Link DIR-615

Approximate Distance From the router the PC is if its a wireless connection
N/A

What type of internet you have (Dsl, Cable, T-1,etc..)
Cable.


As I am still getting used to Linux Mint: either I can't run MiniToolBox or I simply don't know what I need to do different.

My desktop has yet to even connect to the internet for the first time. When I plug my Ethernet cable into my computer, it automatically runs auto eth0 to search for a network. After it times out, it tells me my wired connection is disconnected and I am in offline mode. My laptop can connect to my router just fine via wireless or wired and both my Windows and Ubuntu boots will connect. I have tried two different Ethernet cables, both of which work with my laptop. I have tired different ports on my router, which have also worked with my laptop. I tried skipping the router and going directly from my modem.

One post I read at some point suggested checking that my OS is not blocked by my ISP, but I called them to confirm. It is not blocked. Their support guy suggested trying to reset the modem and router (which at the time got my laptop back online since my network had gone down). The D-Link customer support was useless since their script reader simply walked me through setting up my router to not use "auto" settings.

That is what brings me here. I have read over posts back 6 pages in this forum with nothing that looked useful to me.

Edit: Moved topic from Networking to the more appropriate forum, due to the OS involved. ~ Animal

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#2 scurvychef

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Posted 04 October 2011 - 10:03 PM

Did the Live disk detect your connection when you were formatting?

#3 Wee2Mo

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Posted 06 October 2011 - 12:16 AM

Thank you for the reply.

Honestly, it has been long enough now that I cannot say for certain, but I think I did not have my Ethernet connected at that point. What might have happened if my computer did not recognize it having been plugged in?

Edited by Wee2Mo, 06 October 2011 - 12:26 AM.


#4 Ramchu

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Posted 06 October 2011 - 06:37 AM

I don't run Mint but what about Firewall settings ?

#5 cryptodan

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Posted 06 October 2011 - 09:11 AM

Can you bring up a terminal and type in ifconfig you may need to elevate your privileges to root via su or use sudo then do the following:

sudo ifconfig

or

su
enter password for root

at the # prompt then type in ifconfig

or type in /usr/sbin/ifconfig as regular user.

Are you getting an IP?

#6 Wee2Mo

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Posted 06 October 2011 - 08:51 PM

Running ifconfig my output was:

eth0 Link encap:Ethernet HWaddr 1c:6f:65:aa:d2:72
inet6 addr: fe80::1e6f:65ff:feaa:d272/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:12097 errors:0 dropped:0 overruns:0 frame:0
TX packets:64 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:2020814 (2.0 MB) TX bytes:12110 (12.1 KB)
Interrupt:43 Base address:0x6000

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:16436 Metric:1
RX packets:260 errors:0 dropped:0 overruns:0 frame:0
TX packets:260 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:19936 (19.9 KB) TX bytes:19936 (19.9 KB)

in which I do not see an IP address, unlike with my laptop.

As to the firewall, that was also something I checked on from the suggestion for another user.

Edited by Wee2Mo, 06 October 2011 - 08:53 PM.


#7 cryptodan

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Posted 06 October 2011 - 10:24 PM

Can you ping your router?

#8 Wee2Mo

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Posted 07 October 2011 - 06:29 PM

I checked my laptop's IP address, changed the last number of the string to a 1 and tried pinging my router from my desktop. The response was "connect: Network is unreachable".

#9 cryptodan

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Posted 07 October 2011 - 08:51 PM

Does your lap top have Windows on it?

If so type in ipconfig /all via a command prompt and locate the gateway IP that will be your router.

Can you perform an lspci on your linux box and post the output?

#10 Wee2Mo

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Posted 07 October 2011 - 11:02 PM

My laptop has a dual boot with Windows and Ubuntu, Windows being what is currently in use.

Gateway address was the same as my IP address with the fourth number as 1.

lspci output:

00:00.0 Host bridge: Advanced Micro Devices [AMD] RS880 Host Bridge
00:02.0 PCI bridge: Advanced Micro Devices [AMD] RS780 PCI to PCI bridge (ext gfx port 0)
00:09.0 PCI bridge: Advanced Micro Devices [AMD] RS780/RS880 PCI to PCI bridge (PCIE port 4)
00:0a.0 PCI bridge: Advanced Micro Devices [AMD] RS780/RS880 PCI to PCI bridge (PCIE port 5)
00:11.0 SATA controller: ATI Technologies Inc SB7x0/SB8x0/SB9x0 SATA Controller [AHCI 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 Device 43a0
00:15.1 PCI bridge: ATI Technologies Inc Device 43a1
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
01:00.0 VGA compatible controller: ATI Technologies Inc Juniper [Radeon HD 5700 Series]
01:00.1 Audio device: ATI Technologies Inc Juniper HDMI Audio [Radeon HD 5700 Series]
02:00.0 USB Controller: NEC Corporation uPD720200 USB 3.0 Host Controller (rev 03)
03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 06)
04:0e.0 FireWire (IEEE 1394): Texas Instruments TSB43AB23 IEEE-1394a-2000 Controller (PHY/Link)
05:00.0 IDE interface: JMicron Technology Corp. JMB368 IDE controller

#11 cryptodan

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Posted 07 October 2011 - 11:42 PM

Okay your card should be supported, can do me a favor and download a Live CD from http://www.ubuntu.com and boot it up and see if you get an IP? Also is your router setup to give out IP's via DHCP?

#12 Wee2Mo

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Posted 08 October 2011 - 10:46 AM

I'll get on that, but with my schedule such as it is, I figured you would appreciate knowing, I will likely not have anything to report back about until late Sunday.

#13 cryptodan

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Posted 08 October 2011 - 11:48 AM

Ill still be here when you get the time.

#14 Wee2Mo

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Posted 10 October 2011 - 11:36 PM

Router is definitely DHCP.

Attempting to boot from the Ubuntu live CD by entering the boot menu and selecting CD-Rom brought me to the GRUB menu with options:

Linux Mint 11...
Linux Mint 11... -- Recovery Mode
Memory Test
Memory test, serial console

#15 cryptodan

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Posted 11 October 2011 - 12:28 AM

Then its not prompting to boot from the CD. It is still booting off the Hard Drive.




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