No Connectivity To Wired Desktop On Office Network?

Mar 30, 2011

I have one HP Desktop that decided one day it doesnt want to connect to the internet.

On the network we have two HP desktops (wired), one Dell desktop (wired) and 2 dell laptops (wireless) all connected to a wireless D-Link DIR 655 router . All computers are running Windows XP. All are able to connect to the internet except one HP desktop (only recently).

I have tried connecting the HP desktop in question to the wireless router via a different cable and still no connectivity. I tried disabling and renabling the internet/repairing it to no avail. I've restarted the wireless router and modem. Nothing. I've even tried restarting the computer (who knows it's solved problems before).

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No Wired Connection - Desktop Lost All Connectivity

Jul 3, 2011

A few days ago my desktop (which is hardlined into a router) lost all connectivity. My wireless connections work fine and i have began basic troubleshooting; changing ethernet cables, taking router out of the mix, etc. Beginning to think the ethernet port on pc is going out (NIC card?). Funny thing is, it will come back intermitantly for 10 minute increments. power cycling does nothing.

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Linksys Wireless Router :: E2000 Wired Desktop Has No Connectivity

Apr 21, 2012

I have a Linksys E2000 router that is connected to my cable modem.  I have a desktop computer that is connected to the router via an ethernet cable, and two laptops in the house that connect wirelessly to the router to get internet access.
This morning, all devices were connected to the internet just fine.  I stepped away for a few hours and during that time the desktop 'lost' its internet connection.  I have tried re-booting the router and removing-reconnecting the ethernet cable but nothing is restoring the connection.
The fact that my wireless devices are connecting means my internet service is fine, right?  So what is preventing the desktop from gaining a connection?

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Mar 13, 2012

How do I find the network security key for my office desktop

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Apr 16, 2012

i have my desktop computer with a broadband wireless connection. i just want to know how to share internet connection with a laptop. what accessories should i brought and softwares that is needed so that my desktop and laptop will share in internet connection.

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WGR614v9 / Windows 7 Desktop Loses Network Connectivity Twice A Day

May 24, 2011

My primary home machine loses network connectivity for a very brief moment once or twice a day. Here's what I've observed over the past few months:

Seems to happen every 12 hours after a restart Disconnect is very, very brief. Putty sessions, online games, or other applications that require a consistent connection disconnect but it's rare that I can see a ping fail when everything else disconnects.Does not coincide with network problems on other machines (Xbox/media PC/wife's PC).

Other details about my system and home network:

Windows 7

Asus motherboard (couple generations old) with onboard ethernet

Ethernet > wired hub > wireless router > cable modem (wife's PC is connected to the same hub and does not have the problem, at least not on the same schedule)

Things I've tried (and will probably now try again just in case)

Restore network card driver (I'm in the process of finding a specific one for my motherboard)

Tinkered with power saving settings in the ethernet card drivers.

Fully up-to-date Windows install.

Static IP address reserved by the wireless router running DHCP

I'm not 100% sure, but I think this problem persisted across Windows OS upgrades (from Vista to Windows 7 a few months back)

By far the weirdest part is that it seems to happen every 12 hours. Like clockwork, I can predict that I'm going to disconnect from any persistent online connection if I know the last time I restarted my machine.

Solved:I caused my own problem long ago when trying to set static IP addresses in my home. I have a Netgear Router (WGR614v9) and I played with the Address Reservation feature. In addition, I manually set the IP address I wanted to have on my machine using the normal network card properties. Setting the IP address manually is what seems to have caused the conflict.

Finally looked in the Windows Event Viewer and the culprit was quickly identified. At time of restart and every 12 hours later, the following error appeared:

The IP address lease for the Network Card with network address XXXXXXXXXX has been denied by the DHCP server (The DHCP Server sent a DHCPNACK message).

I accidentally fixed it for all affected machines by changing the start address of the DHCP server on the router (increased it from 20 to 30). That seemed to kick all the manual entries out and set them back to automatic obtain mode.

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Wired Desktop Necessary With All Laptop Network?

Jun 8, 2011

I currently have my ISP-supplied modem wired to both my router and an old, old desktop. Can I run this network without using a desktop ethernet connection & throw away the desktop?

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Desktop Won't Identify Network / Router (wired)

Aug 15, 2012

I'm having trouble connecting my desktop to my home network. It was working fine last night, got home from work and voila, can't connect to my router anymore. My setup is cable modem, router, desktop via ethernet to the router, laptop. The laptop, which I am using right now connects just fine wirelessly to the router. Nothing has been changed to the desktop, no software installs, no hardware installs, etc.. No malware / viruses were found either. I'm using windows vista sp2 x32.- Power cycling - Firmware updates - Network adapter driver updates - DHCP working fine on router - No MAC address filtering - Also tried static addressing - Restoring factory defaults on router - Desktop restore to last night's restore point ( when it was working ) - All kinds of diagnostics - Ethernet cable testing.

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Wired Desktop Connected To Network But No Internet Access

Apr 1, 2011

My wired desktop cannot access the internet. Its still connected to my home network however. Every other computer on the network can connect to both the network and the internet just fine. the wired desktop is running windows xp. I have tried renewing the ip address, resetting IE settings, disabling the firewall, and I am currently running an anti-virus scan.

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G74SX Network Connectivity - Wired Components Aren't Receiving A Connection?

Aug 29, 2011

I recent bought an Asus G74SX-A1. While the machine runs like an absolute dream, it does seem to have a networking problem that I have been attempting to address for about a week. In my college dorm there is an ethernet port that carries an active internet connection. When my laptop is plugged into the port via ethernet, I receive no connection (well mostly no connection, every now and then I will connect for a split second allowing me to load my homepage, Google). This problem also exists on my dorm's WiFi. My LAN card is a RealTek BGE Family Controller (PCIe)

However, on my netbook (an Asus 1000HE, which I am typing this post on) everything is fine. I am quick to blame the retailer who sold me the G74SX seeing as they replaced the stock WiFi card with a Bigfoot Killer 1102 card, and my first assumption is that something was not installed properly during my laptop's assembly or that I simply messed up a driver update. I became quite frustrated with the whole situation and in order to find a quick solution I formatted the laptop back to factory defaults.

Something magical happened.For about a day and a half, my LAN card worked. I packed up my gear this weekend and headed back home, and at my parents' house my WiFi card worked wonderfully.I thought my networking woes were behind me, but this was not the case. When I returned to my dorm this afternoon, my LAN and WiFi cards began experiencing the same problems they experienced before the reformat. A third variable of some interest is that I brought my wireless router back to my dorm in order to utilize a less-crowded private WiFi spot and discovered that it worked fine and I was able to connect to the internet on my iPad using my router. This evening, however, my router decided to stop carrying an internet connection as well. I can connect to the router itself, but I cannot receive an internet connection, even on the netbook.

I have tried uninstalling/updating drivers for both the Bigfoot card and the RealTek card to no avail. My best hypothesis is that the problem lies in some setting that both the G74SX and the D-Link DIR-655 have in common, seeing as they are the only wired components that aren't receiving a connection.

Equipment: D-Link DIR-655, Asus G74SX, Asus EeePC 1000HE

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Wireless Laptop Cannot Ping Wired Desktop On Home Network

May 7, 2012

I have a wired desktop PC (HP dx2480) running XP SP3 connected to a LinkSys Wireless 4-port router, and a laptop (Lenovo X61) running XP SP3 connected wireless to the same home network (192.168.0.x). The LinkSys connects by cable to a DSL router for internet access. Both PC and laptop get DHCP IPs from the Linksys (which I have hard-coded - mapped MAC to IP). They are on the same Windows Workgroup "HOME". Both Desktop and Laptop have same Windows User Logins. My desktop had a virus attack (trojan), which I removed and re-installed XP SP3 (from HP disks). Since then the PC seems to have "network sharing and discovery issues" on the network.

- The wired PC CAN ping the laptop, but laptop CANNOT ping PC.

- Both laptop and PC CAN access the internet.

- The laptop and PC COULD NOT see each other on Windows Workgroup, or see shares. This got resolved once I added IPX/SPX/NetBios Protocol on both the wired and wireless NICs on both PC/laptop respectively. NOTE: Before adding this protocol, I double-checked that File-Printer Sharing was enabled on both NICs, Windows Firewall had File-Print Sharing as exclusion. I tried everything including disabling firewall on both, disabling McAfee scanning on both, disabling Firewall on Linksys, but nothing worked.

- The laptop CAN see the NAS (Seagate GoFlexHome - connected by cable to LinkSys) using Seagate Dashboard software and direct IP. The PC CANNOT access the NAS using the Dashboard software but CAN access through direct IP. The NAS is named "goflex_home", which both can discover as \goflex_home from explorer.

- The laptop CAN see ITunes Home Share from a NAS, but the PC CANNOT see any home shares on the NAS (or from the laptop). I even added Home Sharing TCP/UDP ports as exceptions on the Firewall on the PC, but it still doesn't work.

- Some blog checking the node type on IP addresses given by DHCP. The laptop has Node Type "Hybrid", and the PC has "Unknown". I even went to PC regedit.exe and modified the and Change EnableProxy to 0 or 1 (instead of 2 that was in the PC as default).

- I have used SG TCPOptimizer on both laptop and PC to revert to Windows default?

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Linksys Wired Router :: RV082 / Remote Desktop Into Network Won't Work

Aug 8, 2012

First time VPN newbie. I need to set up vpn for a friends small business using RV082 so, as a test, I set it up here at my home using a very basic config. The network topology looks like:
cloud => cable modem => RV082 => DIR655 => win7 PC
At a remote site, I fire up QUICKVPN, enter necessary data and successfully connect. Bring up Remote Desktop and put in the IP of my home pc and the logon username and, after a minute or two, it says "unable to connect to the computer" (or words to that effect). My home PC has been configured to allow remote desktop connections and this has occured in the past but not since the RV082 installation. There is nothing in the PC's logs nor in the RV082's logs.

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Aug 1, 2012

We have AT&T Managed MPLS service are our datacenter and our branch office locations.  AT&T has provided the routers and simply give us an ethernet connection.  We also have ethernet connectivity to the internet through our datacenter...with our network being protected by an ASA 5520.Each branch location has a 29xx series router (voice gateway) and switching gear attached to their AT&T MPLS router.  Some of our branches also have 3rd party cable internet service with an ASA 5505 to protect it from the internet. What I'd like to do is better utilize this cable modem/ASA5505 setup.  Right now, if there were an outage, I would be connecting manually to the remote location to change static routes to point to the cable link and to configure a VPN tunnel between the remote and our DC.

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Linksys Wired Router :: RVS4000 Create IPSec VPN Between Main And Branch Office

Aug 2, 2011

We have used two Cisco RVS4000 to create the IPSec VPN between the main office and the branch office. The main office has SBS 2008. There is a Windows Server 2008 as the domain controller in the branch office. One branch office user has a laptop which is not in the domain, but his exchange account is set up in the Outlook. When he connects the laptop to the branch office network, he cannot connect to the exchange server and get the emails. Is there any configuration to set up in the router, server or Outlook?

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D-Link DIR-655 :: No Connectivity On Desktop That Is Directly Linked To Router

Aug 29, 2011

I know there are a lot of threads out there regarding connection issues, both with wireless & LAN connections, after updating firmware to 1.35.  To provide a snapshot of my setup...I have 3 GB switches throughout my home, a couple Ethernet enabled Blu-Ray players, 2 XBOX 360's, multiple satellite receivers with Ethernet, 5 PC's, 3 iphones, get the picture.  I also have 5 older DLink wi-fi cameras.  So, with this said my setup has been flawless for some time.  However, a week or so ago I upgraded my firmware on my DIR-655 to the latest version...everything still seemed fine at the time.  Yesterday I noticed we had no wireless internet so I went and checked.  Sure connectivity on my desktop that's directly linked to the router, etc.

I tried rebooting & then resetting the connectivity, but as soon as I plugged my PC into the IP address.  I played around with settings, wiring configurations, etc...I'm pretty up to speed on this setup so I felt I exhausted every option.  I thought my router went bad...gave me an excuse to go get the latest so I brought home a NetGear N750...hooked it up.  As soon as I changed the LAN IP address range to condense the #of IP addresses I'm giving out again, the LAN connection to the PC was lost...I could not get it restored.  I finally got it working, bypassing the GB switch, but the wireless would lose connection literally after a few seconds.

I ended up taking the NetGear router back and bought the exact same DIR-655, but this time it was HW version B1 instead of A and it was firmware #2.00 or something like that.  I hooked it up when I got home...configured the system to exactly the way I had it before and PRESTO!!!  My system is working like it was before.  I can only think that the firmware upgrade I made on the previous router screwed something up in my system. 

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Mar 5, 2012

I am experiencing an issue with a LAN connection on my Desktop computer running Win 7 x64 with an NVIDIA nForce Networking Controller. I am receiving a "Limited or No Connectivity" message but I know the Router and LAN cable are good as I can plug it into a laptop sitting right next to me and do not experience any issues.I have checked the original manufacturers website for drivers however they do not offer any for Win 7. Trying the Vista x64 drivers results in the same limited connectivity issue.Hardware Specs I have on the Computer:

- Shuttle SN68SG2
- NVIDIA GeForce 7025
- 7 Series Glamor small form factor XPC Barebone

I have also tried the latest drivers from NVIDIA with the same results. [code]

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D-Link WBR-2310 No Wired Connectivity?

Jul 8, 2011

I have an Internet Connectivity problem which I believe was caused by resetting our D-Link WBR-2310 router. We have a strange, perhaps illogical network setup in our office. Although it was set up before my time, I have figured it works as follows:

(1) A wired/wireless router (let's call it Router A) is connected directly to the DSL modem.

(2) An Ethernet cord runs from this router to a 5 port switch.

(3) 4 cords run from the switch to individual workstations. These computers obtain their IP addresses automatically.

(4) 1 cord runs from the switch to another wired/wireless router (let's call it Router B).

(5) Two cords run from Router B to individual workstations (let's call them Workstations C). These computers used permanent IP, subnet mask, default gateway, and DNS server addresses. I understand that this was done because they could not obtain their IP addresses automatically.

The problem I've caused seems to stem from me resetting Router B to the factory settings while trying to secure its signal and changing its IP address from to (in order to avoid conflict with the modem which has the same IP address). Once I did that, Workstations C could not access the Internet.

I have tinkered with the TCP/IP settings for Workstations C (e.g. by changing the default gateways to the Router B's new IP address), but it doesn't work. What else should I be doing?

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Dec 9, 2011

Had a virus that I cleaned on my laptop. After virus removal I can connect to my FIOS router both wired and wireless but cant get to the internet. Can ping laptop and laptop can ping desktop. I have no issue on my desktop machine getting to the internet only issue is with laptop. I have disabled/removed all apparent firewalls/antivirus. Using Windows XP SP3 and both Firefox and IE. Proxy is off in Firefox and IE. . Have reset network adapters. Network adapters are set to get DNS and IP automatically. IP Config shows IP address and the DHCP and DNS Server addresses are correct (FIOS Router). Windows Firewall is disabled. Something is stopping me from going outside the local network.

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Jan 17, 2013

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Jun 12, 2012

I found out my onboard ethernet port was fried, so i went out an bought a RTL8139D ethernet PCI adapter. I fitted the adapter and plugged my cable in. It said Limited or no connectivity. After hours and hours of googling I tried everything. I changed the protocols, created static Ip's went into cmd and reset winsock catalogs, release/renew etc. The cable I am using worked previously in my room and it still works. (I took a laptop up to my room and plugged in the cable and had internet connection). So... I took my PC downstairs and used a different cable. This successfully connected me to the internet. That Rules out that my new ethernet card is the problem. MY cable also allows others to connect to the internet. Windows 7 64X Ultimate edition.

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Nov 9, 2012

I reformatted using an old XP disc, Got the Ethernet Driver set up fine, but now I can not connect to the Internet, because the card refuses to fetch the DNS Addie, and default gateway, it's the only computer in the house having issues, the computer I am having problems on is an old Hp Dv 9317cl series, with a nivida chipset Ether card.

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Mar 17, 2012

So, I reformatted using an old XP disc, Got the Ethernet Driver set up fine, but now I can not connect to the Internet, because the card refuses to fetch the DNS Addie, and default gateway, it's the only computer in the house having issues, the computer I am having problems on is an old Hp Dv 9317cl series, with a nivida chipset Ether card.

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Jul 19, 2011

I just purchased the N600 DB Wireless Router with my ISP (Road Runner) I can connect wireless thru a laptop and a tablet, but when I try to connect wired(LAN) thru desktop (XP Pro SP3) I receive the Limited or No Connectivity. If I bypass the router and plug straight into the cable modem I can connect without issue. I have tried resetting the router, modem and computer to no avail.

Here are the results for ipconfig and ipconfig /renew C:>ipconfig

Windows IP Configuration
Ethernet adapter Local Area Connection:
Connection-specific DNS Suffix . :


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Jun 24, 2012

My Dlink DIR-655 is hardware ver B1 and firmware 2.00.  I found the UPNP cannot cross between wired and wireless network.    It is fine if both UPnP server and renderor are on either network.  There is no problem on other protocol, such as SAMBA from my notebook connected via Wireless to the QNAP NAS connected via Wired to the 655.

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No Connectivity (wired Or Wireless) After Infected Windows Gen2

Dec 30, 2011

From my company for a new line of work I started. Was "deep frozen" when I got it and was useless to me in that state. Got it thawed and it suddenly wanted to do loads of updates, so I let it. Apparently I was not careful enough & got the "XP antivirus 2012" malware.Eventually conquered that beast and installed avira free.almost immediately avira picked up on the "html/infected win.gen2" malware.I quarantined, deleted, scanned comp. w. avira, rkill, & malwarebytes. all scans came up clean but I now have no connectivity. wired conn. continually tries to acquire network address and w.less has limited or no.Not my router or modem as I have 2 home comps actively cnctd as I type this. Also tried multiple other networks w. same neg. results.After loads of searching and t/s'ing I believe I have found the root of the problem: When I look under "services" I found that "netbios helper", "Network Location Awareness" & "dhcp client" are all not started.

Trying to start them results in failure b/c some "dependencies are marked for deletion". the afore-mentioned 3 things are dependent upon the Netbios over tcpip and tcpip protocol driver. Those drivers are in the system32/drivers folder but I cannot find a "non plug and play" section in the device manager.Yes, I looked under "hidden devices" and I looked in every drop down. I successfully cmd: netsh int ip reset c: esetlog.txt but when I tried to reset winsock I got winsock is not recognized as an internal or external command, operable program or batch file.I have no reboot disk or thumb drive and bios is p/w'ed so I can't wipe the slate clean and start fresh. Is there anything I can do short of giving it to the "IT guy" at work? That's a black hole I'd really like to avoid if possible.

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Jul 29, 2012

I've got a Brother 5490CN network printer. For the past year, it has been sitting next to my router and plugged directly in. Due to changes in how my service enters my home, the router needed to move to another location - a location that is inappropriate for the printer.

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Nov 3, 2012

I tried using an ethernet cable (cat 6) to connect my laptop (Sony VPC-1190X) to our gigbit router (Netgear N600 WNDR3800), but I get a message that there is no internet connectivity and the light representing that port on the router does not turn on.So, dead ethernet port on the router? Nope - unplugged the working printer from the router and used that ethernet port - same dead ethernet port on the laptop? Nope - plugged the laptop into a gigbit switch (D-link DGS-2205) and instantly got internet connectivity. Note that this switch is plugged into the aforementioned Netgear router.For good measure, I tried power-cycling the router and laptop.

BTW - I can connect the laptop to the router wirelessly but I am trying to make use of the faster transfer speed of the ethernet connection.

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Aug 30, 2012

I have 300Mbps PCI wireless LAN network card which I installed in my PC and until today I was connected to my Sky router wirelessly. I also have a wireless Brother all in one connected to the same PCI card.

The engineer who installed my Sky fibre broadband told me in order to achieve maximum speeds I should connect via an ethernet cable to my Sky router as wireless could be a lot slower so I bought one and connected up and disabled the wirelss card. All good so far until I noticed my Brother all in one was complaining about no network ID.

My problem is that I can't seem to run my printer wirelessly as well as run my broadband wired. If I enable the wireless adapter the printer works but my broadband is wireless as well and the wired connection is disabled.

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Oct 19, 2012

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Jun 19, 2011

I have a wireless network and I have a new TV that has wireless and wired connectivity. I do not have a wired port at the spot where the TV is mounted so I am connecting wirelessly. The problem is the wireless on the TV is pretty flaky and I cannot get consistent connectivity..and every time it can't connect I have to retype in the AP passwords as it doesn't remember them. I would like to switch the network to wired, but can't run an actual wire. Can I add a new wireless AP as a repeater or bridge to tap into the existing wireless network and then connect the TV to the a wired port on the wireless router?

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Feb 22, 2011

i have a BEFSR41 v3 firmware v 1.05.00 - i have been usuing it for at least 7 or 8 years now - at one time i had 3 computers hooked up and they all three worked fine. Now i have 2 plugged into the router - both are xppro machines - the one i am now works with no problems. The other computer however has the limited or no connectivity problem.I used this router for years without any problems then one day this ip conflict message started to appear.Then one day i started getting this weird ip conflict message on both computers but only occasionaly - it never caused any problems - if you ignored it - it would simply go away.Then one day computer #2 got the limited or no connectivity message - i simple reboot fixed it. This solution worked several times. Computer #1 has never had any problems.
Sometime later the limited or no connectivity problem reappeared and this time a reboot did not work - i searched for a fix and decided to try changing the link speed from auto sense to 10mb half duplex - this solved the problem. This solution worked several times.Sometime after that the limited or no connectivity reappeared and after some searching i upgraded the routers firmware - this solved the problem.Sometime later the limited or no connectivity reappeared and this time i had to actually uninstall the NIC, reboot and then let it redetect the NIC and then the problem was fixed. This solution worked several times.Sometime later the limited or no connectivity reappeared and the previous solutions did not work to fix it - after searching for a fix i discovered that i could simply unplug the router and the plug it back in and this would solve the problem. This solution worked many times.Sometime later (wich brings us to 3 or 4 months ago) the limited or no connectivity reappeared and this time after searching for a fix i was able to fix it by updating the NIC drivers. Problem solved.This brings us to now - the limited or no connectivity has reappeared and none of the previous fixes correct the problem.When i originally set everything up it worked immediately out of the box.
DHCP is enabled - everything is set to obtain an ip address automatically.At first the event viewer reported The IP address lease for the Network Card with network address0xxxxxxxxx has been denied by the DHCP server {The DHCP Serversent a DHCPNACK message}.Now the even viewer just tells me it is using ip address 169.254.xxxxxx - (not the exact message but i didn't wanna go back and look)I have tried all of the previous fixes to no avail. I've tried shutting everything off and turning everything back on - i've tried resetting both the modem and the router - i've tried upgrading the firmware again. I even downloaded LELA and installed it on both computers thinking maybe it would detect and fix the problem buy no such luck. LELA simply tells me that computer #1 is working normally. On computer #2 when i installed LELA the first thing it did was try to find the router and it tells me it cannot find tried ipconfig /release and ipconfig /renew - i've tried it one after the other and also a reboot in between. I've tried clicking on repair in the LAN status - i've tried even tried different cables and switching ports on the router.

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Oct 29, 2011

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Sep 12, 2011


I've been trying for two weeks now to connect to the internet but can't. This suddenly happened on a Monday after I got home from work. Up until that point, I have had no problems. At first I thought it was my cable, but when I plug the cable into my brother's PC, it works. Then thinking it could be my network card, he picked up a wireless card for me, but still no go. I've searched these forums and many forums over the internet and tried many things but I still have no luck. I've scanned for viruses and malware but nothing has turned up.

I have Norton anti virus but installed Adaware per recommendation to double check. I also used Malware Bytes. On Xirrus, I clicked the ping test and everything showed as pass but still, low connectivity. I get that even when I plug in the cable. When I look at my connection status under activity, the bytes sent and received are in the low thousands.I have only a very basic understanding of networks. [code]....

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