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Have been getting error code 020 with my TP-Link modem/router. (8004T) I can't seem to connect no matter what I do. I have called TS for my ISP and they maintain its a hardware issue which I am not inclined to believe since we just bought it. I have gone through the user guide and cannot find any error code list. Any help would be greatly appreciated.

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  • msrylvscmpny
    msrylvscmpny Apr 09, 2013

    it's a 8840T modem/router combo and I am running xp. I have tried uninstalling and reinstalling to no avail. I shut down all firewalls and even scanned the entire computer for malware/spyware. Still nothing. I am at a loss. ATM OEM (incl. ATM OEM F4) ping is failing according to diagnostics, if that helps. Called the ISP and am currently waiting on a callback for a tech to come out. Wanted to fix the problem before it came to that.

  • Brian Sullivan
    Brian Sullivan Apr 10, 2013

    what did the error code say in the event viewer ?

  • Brian Sullivan
    Brian Sullivan Apr 10, 2013

    WAN is an abbreviation for the "wide area network" that is the same as the Internet. Each computer connected to the Internet has is a unique numeric IP address (WAN address) written in the dot-decimal form (e.g. 195.15.32.1). However, IP addressing within a local area network (LAN) is more complicated. LAN consists of a few computers within a limited area connected to the Internet via a router. The router assigns internal IP addresses to LAN computers that are different from their respective WAN addresses. Log on to a user account in Windows Vista/XP.Click "Start" in the left lower corner of the screen. if you use Windows XP, click "Run." Skip this step if you use Windows Vista. Type "cmd" and press "Enter" to open a command prompt window. Type "ipconfig" and press "Enter." In the program output find the line starting with "IPv4 Address" and read the WAN IP address. For example, "IPv4 Address .....194.56.23.17" If You're Connected to the Internet via a Router Login to a user account in Windows Vista/XP. Open a web browser and navigate to the "My IP address" website using the link in Resources. Read the WAN IP address in the top of the page. For example: "Your IP Address Is: 194.22.85.153."http://www.whatismyip.com/

  • Brian Sullivan
    Brian Sullivan Apr 10, 2013

    http://www.tp-linkhome.com/tag/wan-port-...

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  • Computers & ... Master
  • 27,725 Answers

Click start control panel administrative tools computer management then select event viewer this may vary depending on what operating system you have

extend the events there you will see errors in red you will no what exactly what the error was and at what time it occured

Right click on the error message select properties you will see all details about the error

or click start type in event viewer press ENTER

you might be able work your way through the problem


You will have to open up your network connections

Click start control panel network connections this may vary depending on your operating system look for local area connection if you see a red x or a yellow exclamation or question mark ! ?
you will need to update or install the driver or it could be firewalled.

Make sure your antivirus program is not blocking the internet connection.

If you are trying to connect through a modem/router you it should have come with a disk then
you might have to connect the usb lead to your modem to get a connection then

Click start control panel administration tools computer management device manager scroll to network adapters should see a yellow question ? exclamation mark ! or a red X right click install drivers.

The driver might be on the disc supplied by your ISP internet service provider
or the motherboard disc

You only need to check the BIOS if you cant install the driver

Make sure you Ethernet/internet is enabled in bios restart your computer during the boot up process you will see on your screen a certain key to

press to enter set up (BIOS) press and hold that key to enter bios using arrow keys navigate to integrated peripherals look for SiS On Chip Pci Device press enter scroll to SiS 10/100m press enter make sure its
"Enabled"

Posted on Apr 09, 2013

  • msrylvscmpny
    msrylvscmpny Apr 10, 2013

    I have checked the device manager and the modem is there without an x on it. I have been able to ping the modem so that tells me that it is configured properly. The issue is when I run the resource CD for the modem, I get an error 020. It tells me to check the Wan parameters but I am unsure of how.

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HI, Upgrade the firmware on the router and then forward ports on the router for the IP Address of your PS3.

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SOURCE: disable Nat TP-LINK TL-WR1043ND

yeap it should be the firewall, here is the manual http://www.tp-link.com/resources/software/201161017075118.pdf
think this should help you.
But if you want my expertise, make the tp-link as a router and vdsl just the internet line. connect it to router wan and buy a switch for all your devices.That should be the safest and smartest way.

Posted on Mar 08, 2012

Testimonial: "Hi, I've finally found some time to test the dissabling the FW and I can say that in my case it helped. I can see now from TP-LINK IP cameras connected to the VDSL modem/router. Well done guys, thank you for your help. Kvinar"

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SOURCE: ZYXEL P-660HW-T1 V2 WIRELESS ROUTER MODEM WILL NOT CONNECT TO MY ISP

is your router connected to your ISP ? (does your dsl led light up ??)
if no! check your wires from phone to router!! and check your SPLITER !!! (i had the same problem, i got bad spliter !!! NEW BUT FAULTY !!!)
chears

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dante777
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SOURCE: Help please! TP-Link Wireless Router TL-WR641G stopped working

It looks like all your devices by themselves are working fine.
Good start.
If you took the router out of your office I assume that the settings from the office and your home are different, which causes the setup not to work properly.

First of all you should find out which hardware version of the router you have and download the manual from here, so you have the information at hand when you're not online.

Then you want to rest the router to factory settings, so you start clean. In order to do so, use the Factory Default Reset button: First, turn off the router's power. Second, press and hold the default reset button then turn on the router's power, until the SYS LED lights up (about 3 seconds). Last, release the reset button and wait for the router to reboot.

Follow the instructions in the manual form page 8 on onwards with a special view on setting up PPPoE. Have your information form your DSL provider handy (Account name and password).
The default webpage for the router interface is http://192.168.1.1
Username and password are both "admin".

Do not enable any wireless security until everything is working fine.

Make sure later to change the password to something else, so no one can "take over" your router.

If this solution did not help, please don't rate it as "Thanks for trying" or so, but leave a comment instead and I will check back and we can work form there.

Good luck!

Posted on Jan 27, 2009

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