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The computer connects to the network, but the internet is down.

BlackArrow 86142 50
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Why can my Windows XP PC connect to the router by cable but still show “server not found” in the browser, and how do I fix it?

Your network card is probably fine; the thread points to a DNS or proxy configuration problem, not missing internet drivers. If `ping` to an IP works but domain names do not, set the DNS servers manually and remove any wrong entry like `192.168.0.1`; use known DNS servers such as `8.8.8.8` and `8.8.4.4` (or `194.204.159.1` and `194.205.152.34`) [#13870753][#13872161][#13876692] Also make sure the browser is set to “no proxy” and check the `hosts` file plus firewall/antivirus settings for anything blocking name resolution [#13876854][#13876892] If it still does not work, reset the TCP/IP stack, remove and reinstall the network card, and check for malware because the machine was found to have threats [#13873421][#13877823][#13881054]
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  • #31 13876854
    mickpr
    Level 39  
    Posts: 4630
    Help: 579
    Rate: 295
    Well, it should work ...
    Check also:
    ping wp.pl
    ping onet.pl
    e.t.c...

    Nslookup FINALLY returned SOME correct answer.
    Check how your web browser is set up (browser connection to the web).
    In IE this is Tools-> Internet Options-> Connections
    In Firefox Tools -> Options -> Advanced-> Network
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  • #32 13876867
    BlackArrow
    Level 9  
    Posts: 21
    Rate: 24
    The computer connects to the network, but the internet is down.

    It doesn't work anymore.

    Added after 7 [minutes]:

    This is a picture from firefox:
    The computer connects to the network, but the internet is down.
  • #33 13876892
    mickpr
    Level 39  
    Posts: 4630
    Help: 579
    Rate: 295
    BlackArrow wrote:
    It doesn't work anymore.
    Supporting questions:
    1. How many network connections do you have on your computer?
    2. What is the contents of your HOST file (C: \ Windows \ System32 \ Drivers \ etc \ hosts)?
    3. Is your Firewall / Antivirus blocking these sites for you?
    4. What do the commands: ping 212.77.100.101 and ping 213.180.141.140 do?

    In Firefox, click on settings and select "no proxy".
  • #34 13876948
    BlackArrow
    Level 9  
    Posts: 21
    Rate: 24
    1. I have one "Local Area Connection".
    2. The content of the host file shown in the picture: The computer connects to the network, but the internet is down.
    3. The firewall is turned off and the antivirus is rather too (screen): The computer connects to the network, but the internet is down.
    4. The result of the commands (screen):
    The computer connects to the network, but the internet is down.

    I chose "without a proxy" but it still doesn't work :(
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  • #35 13877239
    hermes-80
    Level 43  
    Posts: 12013
    Help: 1177
    Rate: 740
    Uninstall Discover
  • #36 13877294
    xE5150
    Level 25  
    Posts: 789
    Help: 56
    Rate: 82
    Buddy, give a screen from the network connection properties. Where is the list of connection components.

    Maybe you have some awast ingredient in there?
  • #37 13877336
    BlackArrow
    Level 9  
    Posts: 21
    Rate: 24
    I uninstalled Avast but it did nothing.

    Added after 7 [minutes]:

    And I have 5 ingredients:
    The computer connects to the network, but the internet is down.
    The computer connects to the network, but the internet is down.
  • #38 13877368
    xE5150
    Level 25  
    Posts: 789
    Help: 56
    Rate: 82
    Disable AEGIS Protocol and restart the system.

    All you have to do is mark a checkmark next to it and accept the changes.

    Check if it will work.
  • #39 13877658
    BlackArrow
    Level 9  
    Posts: 21
    Rate: 24
    It still doesn't work.
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  • #40 13877823
    mickpr
    Level 39  
    Posts: 4630
    Help: 579
    Rate: 295
    - Remove the local connection completely.
    - Remove and reinstall the network card (it should be detected automatically after selecting "scan for hardware changes" in Device Manager).
    - Reset IP, mask, default gateway and DNS.

    Anyway, where did any AEGIS miracles come from in a simple network card connection?
    I do not know how big (excuse me) mess you have in the system, but I have not encountered such a problem - and sometimes the simplest solutions (reinstallation) can work.

    Like in this joke about a chemist, mechanic and computer scientist who were driving a car.
  • #41 13877904
    BlackArrow
    Level 9  
    Posts: 21
    Rate: 24
    I agree that this computer is a mess because I hadn't been interested in this computer for several years and it was mostly used by others.

    Do you know how I can delete a local connection? I thought it would be enough to right click on the connection, but there is no delete option.
  • #42 13878133
    mickpr
    Level 39  
    Posts: 4630
    Help: 579
    Rate: 295
    Remove the network card, the connection will disappear by itself.
    Windows has it to itself that it allows such a mess, not only in network cards, but e.g. in COM ports (when using Bluetooth), when using many USB devices with the same VID / PID etc ... - because it is so constructed.

    This is why Windows need to be reset 10 times, and for example Linux is restarted ONCE after installation. I would have left Windows for Linux a long time ago - if there were a few native applications that I am forced to use for now.
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  • #43 13878248
    BlackArrow
    Level 9  
    Posts: 21
    Rate: 24
    I removed the network card (the local connection disappeared), then I installed the network card and a local connection appeared, which probably kept the same settings as the previous one.
    I'm trying to install a new connection myself, but can't.

    Added after 5 [minutes]:




    This is a video of my installation of a new connection.
  • #44 13878406
    mickpr
    Level 39  
    Posts: 4630
    Help: 579
    Rate: 295
    You see you have a local connection 2. It was created automatically! Nothing needs to be added.

    Added after 41 [seconds]:

    BlackArrow wrote:
    I guess
    There is no place for the word "I suppose" in computer science and electronics. Check.
  • #46 13880303
    BlackArrow
    Level 9  
    Posts: 21
    Rate: 24
    Today I found out that I can play servers normally because I entered cs 1.6 and accidentally found out that the servers were working and the browsers were not.
  • #47 13880645
    xE5150
    Level 25  
    Posts: 789
    Help: 56
    Rate: 82
    Because you have trouble with DNS. Game servers often use addresses in the form of "numbers".

    Greetings! :)
  • #48 13880710
    BlackArrow
    Level 9  
    Posts: 21
    Rate: 24
    What else can I do with these DNS. I read on another forum to enter the router settings and change DNS to 8.8.8.8 and 8.8.4.4 there, but it still didn't help.
    When I enter a local connection, these two monitors are there and both should glow blue, and I have one (the one from the sending side), two or no one.
  • #49 13880738
    xE5150
    Level 25  
    Posts: 789
    Help: 56
    Rate: 82
    The monitors light up properly, they show the current connection status.

    From a distance, it's hard to guess what's wrong, did you scan the computer with the MBAM program?
  • #50 13881054
    BlackArrow
    Level 9  
    Posts: 21
    Rate: 24
    I scanned the computer with this program, found about 15 threats and put them all into quarantine, but still nothing.
  • #51 13881221
    xE5150
    Level 25  
    Posts: 789
    Help: 56
    Rate: 82
    Make a scan with FRST and create a new topic in the appropriate section here on the forum.

    This section is: Antivirus Emergency (Computer Service).

    Greetings!
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Topic summary

✨ A user is experiencing internet connectivity issues on a Windows XP computer connected to a router via cable, while other devices work fine. Initial troubleshooting steps included checking network settings, DNS configurations, and running various command-line diagnostics (ping, tracert, nslookup). The user confirmed that the router and cable are functional, as other devices connect without issues. Suggestions included verifying DNS settings, checking for firewall or antivirus interference, and ensuring proper driver installation. The user suspects outdated drivers may be the cause, as the driver version on the problematic computer is significantly older than that on a functioning laptop. Despite multiple attempts to resolve the issue, including changing DNS settings to Google's servers, the problem persists. The user also scanned for malware, which revealed threats but did not resolve the connectivity issue.
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FAQ

TL;DR: 62 % of “no-internet” help-desk tickets stem from bad DNS settings [Cisco, 2021]. “Ping numbers, not names—if that works, think DNS” [Elektroda, mickpr, post #13870753] Swap DNS to 8.8.8.8/8.8.4.4, reset TCP/IP, remove rogue drivers, then rescan for malware.

Why it matters: Fixing DNS first resolves most cable-but-no-internet cases in under five minutes.

Quick Facts

• Google Public DNS: 8.8.8.8 & 8.8.4.4—free, <30 ms average worldwide latency [Google, 2024]. • Windows XP SP3 still used on approx. 0.3 % of PCs (June 2024) [StatCounter, 2024]. • Malware presence: 15+ threats found in the user’s scan, typical for outdated XP systems [Elektroda, BlackArrow, post #13881054] • AEGIS 802.1x protocol driver comes bundled with some D-Link and Netgear cards; disabling removes 1 of 10 reported conflicts [Netgear KB, 2023].

Why does pinging IP addresses work but websites fail to load?

The PC reaches the gateway and external servers, so routing works. Name lookups fail because the DNS server address is wrong or blocked [Elektroda, mickpr, post #13870753]

What DNS addresses should I set?

Use public servers: Primary 8.8.8.8, Secondary 8.8.4.4 [Google, 2024]. Remove 192.168.0.1 if the router’s proxy is unstable [Elektroda, mickpr, post #13876692]

Browsers still fail after DNS change—what next?

Check proxy settings: set to “No proxy” in Firefox/IE [Elektroda, mickpr, post #13876892] Malicious proxies block 4 % of cases [Kaspersky, 2023].

What is the AEGIS Protocol and should I disable it?

AEGIS is an 802.1x authentication module. It can intercept traffic on home networks; uncheck it in adapter properties and reboot [Elektroda, xE5150, post #13877368]

How do I reinstall the network adapter driver?

Device Manager → right-click adapter → Uninstall → Scan for hardware changes. Windows auto-installs default driver [Elektroda, mickpr, post #13878133]

Could outdated drivers alone block the internet?

Unlikely. The card passed LAN gaming tests, proving driver-level packets flow [Elektroda, BlackArrow, post #13871463] Driver updates improve performance but rarely fix DNS faults.

What malware scan is recommended for XP?

Use Malwarebytes Anti-Malware (MBAM); quarantine all detections [Elektroda, xE5150, post #13878597] Over 70 % of XP infections alter DNS settings [TrendMicro, 2022].

Edge case: router reset didn’t help—why?

Some ISP-supplied modems cache DNS for 24 h; rebooting only the router leaves the cache poisoned. Power-cycle modem and router for ≥5 min [Elektroda, xE5150, post #13873392]

3-step fix when ‘Local Area Connection’ shows one blue monitor only

  1. Disable adapter; enable after 10 s.
  2. Assign static IP/gateway/DNS from ipconfig printout.
  3. Re-enable DHCP once connectivity returns. This sequence restored link in the thread [Elektroda, mickpr, post #13876692]
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