Hvis du har problemer med at forbinde til et websted, kan det være du ser en fejlbesked som '''Server Not Found'''. Denne artikel beskriver hvordan problemet der er skyld i fejlen fejlsøges. *For fejlsøgning af andre fejlbeskeder, læs [[Error loading web sites|Fejl ved indlæsning af websteder]]. __TOC__ = Prøv i en anden browser = Til at begynde med, prøv at åbn et websted i en anden browser (så som {for win}Internet Explorer{/for}{for mac}Safari{/for}{for linux}Epiphany eller Chromium{/for}). * Hvis alle browserne ikke kan indlæse websteder, gå videre til [[#w_no-browsers-can-load-websites|næste afsnit]]. * Hvis den anden browser godt kan indlæse webstedet, spring frem til afsnittet [[#w_firefox-cannot-load-websites-but-other-browsers-can|Firefox kan ikke indlæse websteder men andre browsere kan godt]]. = Ingen browsere kan indlæse websteder = If neither Firefox nor your other browser can load websites, your problem is not in Firefox, so you should seek support elsewhere{for win,mac}:{/for}{for linux}.{/for} {for win} * '''(Windows 7)''': See [http://windows.microsoft.com/en-us/windows7/Why-can-t-I-connect-to-the-Internet Why can't I connect to the Internet] at Microsoft.com. * '''(Windows Vista)''': See [http://windows.microsoft.com/en-us/windows-vista/Troubleshoot-Internet-connection-problems Troubleshoot Internet connection problems] at Microsoft.com. * '''(Windows XP)''': See [http://www.microsoft.com/windowsxp/using/networking/maintain/troubleshoot.mspx Troubleshooting network connection problems] at Microsoft.com {/for} {for mac} * See [http://docs.info.apple.com/article.html?path=Mac/10.6/en/8341.html If you can’t connect to the Internet] at Apple.com. {/for} {for win,mac}You should also check the following:{/for}{for linux}You should begin by checking the following:{/for} * Make sure you modem and/or router are both on and are not indicating errors. * If you are using a wireless connection, make sure that you are connected to the right access point. * Make sure your Internet security software (including firewalls, antivirus programs, anti-spyware programs, and more) is not blocking connections to the Internet. For instructions on how to configure some programs, see the [[Firewalls]] article. * If you use a proxy server, make sure that the proxy server can connect to the Internet. For instructions on configuring proxy settings in Firefox, see [[#w_firefox-connection-settings|Firefox forbindelses indstillinger]] below. = Firefox kan ikke indlæse websteder men andre browsere kan godt = If Firefox cannot load websites, but your other browser can, follow the instructions below. == Kan ikke indlæse websteder efter opdatering af Firefox == If you were able to load websites until you updated Firefox, your Internet security software (including firewalls, antivirus programs, anti-spyware programs, and more) is likely preventing Firefox from connecting to the Internet. Some Internet security programs can block Internet access even when they are in a "disabled" state. In general, you should remove Firefox from your program's list of trusted or recognized programs, then add it back. For instructions on how to configure some programs, see the [[Firewalls]] article. == Firefox forbindelses indstillinger == If you connect to the Internet through a proxy server that is having connection problems, you will not be able to load websites. To check your Firefox proxy settings: # [[T:optionspreferences]] # Select the {menu Advanced} panel. # Select the '''Network''' tab. # In the Forbindelse section, click {button Indstillinger...}. # Change your proxy settings: #* If you don't connect to the Internet through a proxy (or don't know whether you connect through a proxy), select '''No Proxy'''. #* If you connect to the Internet through a proxy, compare Firefox's settings to another browser's{for win} (such as Internet Explorer - see [http://windows.microsoft.com/en-US/windows7/Change-proxy-server-settings-in-Internet-Explorer Microsoft's guide til proxy indstillinger]){/for}{for mac} (such as Safari - see [http://docs.info.apple.com/article.html?path=Safari/5.0/en/9299.html Apple's guide til proxy indstillinger]){/for}. # Close the Connection Settings window. # [[T:closeOptionsPreferences]] == DNS Prefetching == [https://developer.mozilla.org/En/Controlling_DNS_prefetching DNS Prefetching] is a technique Firefox uses to speed up loading new websites. To disable DNS Prefetching: # [[T:aboutconfig]] # [[T:contextmenu]] in the list of preferences, select {menu Ny nøgle}, and then select {menu Boolsk værdi}. # In the '''Skriv indstillingens navn''' window, enter {pref network.dns.disablePrefetch} and click {button OK}. # Select {pref true} when prompted to set the value and click {button OK}. == IPv6 == Firefox supports [http://da.wikipedia.org/wiki/IPv6 IPv6] by default, which may cause connection problems on certain systems. To disable IPv6 in Firefox: # [[T:aboutconfig]] # In the '''{for not fx11}Filter{/for}{for fx11}Search{/for}''' field, type {pref network.dns.disableIPv6} # In the list of preferences, double-click {pref network.dns.disableIPv6} to change its value from {pref false} to '''{pref true}'''. = Firefox kan ikke indlæse bestemte websteder = If you find that Firefox can load some websites but not others, {for win}first{/for} clear your Firefox cookies and cache: [[T:clearCookiesCache]] {for win} == Søg efter malware == If clearing your cookies and cache did not enable you to load the websites that did not work in Firefox, you should check your computer for [http://en.wikipedia.org/wiki/Malware malware]. Certain types of malware are known to target Firefox and can prevent it from loading various websites: * If you have an antivirus or Internet security program, update its detections database and do a full scan of your system. * If you still have problems, see [[Is my Firefox problem a result of malware#w_how-do-i-get-rid-of-malware|Hvordan slipper jeg af med malware?]]. {/for} <!-- MZ credit --> <br/> <br/> '''''Baseret på information fra [http://kb.mozillazine.org/Error_loading_websites Error loading websites (mozillaZine KB)]''''' [[Template:ShareArticle|link=http://mzl.la/Nn0kzJ]]

Hvis du har problemer med at forbinde til et websted, kan det være du ser en fejlbesked som Server Not Found. Denne artikel beskriver hvordan problemet der er skyld i fejlen fejlsøges.

• For fejlsøgning af andre fejlbeskeder, læs Fejl ved indlæsning af websteder.

Prøv i en anden browser

Til at begynde med, prøv at åbn et websted i en anden browser (så som Internet ExplorerSafariEpiphany eller Chromium).

• Hvis alle browserne ikke kan indlæse websteder, gå videre til næste afsnit.
• Hvis den anden browser godt kan indlæse webstedet, spring frem til afsnittet Firefox kan ikke indlæse websteder men andre browsere kan godt.

Ingen browsere kan indlæse websteder

If neither Firefox nor your other browser can load websites, your problem is not in Firefox, so you should seek support elsewhere:.

You should also check the following:You should begin by checking the following:

• Make sure you modem and/or router are both on and are not indicating errors.
• If you are using a wireless connection, make sure that you are connected to the right access point.
• Make sure your Internet security software (including firewalls, antivirus programs, anti-spyware programs, and more) is not blocking connections to the Internet. For instructions on how to configure some programs, see the Konfigurer din firewall, så Firefox kan få adgang til Internettet article.
• If you use a proxy server, make sure that the proxy server can connect to the Internet. For instructions on configuring proxy settings in Firefox, see Firefox forbindelses indstillinger below.

Firefox kan ikke indlæse websteder men andre browsere kan godt

If Firefox cannot load websites, but your other browser can, follow the instructions below.

Kan ikke indlæse websteder efter opdatering af Firefox

If you were able to load websites until you updated Firefox, your Internet security software (including firewalls, antivirus programs, anti-spyware programs, and more) is likely preventing Firefox from connecting to the Internet. Some Internet security programs can block Internet access even when they are in a "disabled" state.

In general, you should remove Firefox from your program's list of trusted or recognized programs, then add it back. For instructions on how to configure some programs, see the Konfigurer din firewall, så Firefox kan få adgang til Internettet article.

Firefox forbindelses indstillinger

If you connect to the Internet through a proxy server that is having connection problems, you will not be able to load websites. To check your Firefox proxy settings:

1. Klik på menuen Firefox i menulinjen øverst i vinduet, og klik så på Indstillinger.Klik på menuknappen , og klik så på Indstillinger.
2. Select the Advanced panel.
3. Select the Network tab.
4. In the Forbindelse section, click Indstillinger....
5. Change your proxy settings:
   • If you don't connect to the Internet through a proxy (or don't know whether you connect through a proxy), select No Proxy.
   • If you connect to the Internet through a proxy, compare Firefox's settings to another browser's (such as Internet Explorer - see Microsoft's guide til proxy indstillinger) (such as Safari - see Apple's guide til proxy indstillinger).
6. Close the Connection Settings window.
7. Luk fanebladet Indstillinger. Ændringer gemmes automatisk.

DNS Prefetching

DNS Prefetching is a technique Firefox uses to speed up loading new websites. To disable DNS Prefetching:

1. Skriv about:config i adressefeltet, og tryk på tasten EnterRetur.
   En advarselsside vises måske. Klik på knappen Accepter risikoen og fortsæt for at gå til siden about:config.
2. HøjreklikHold tasten Ctrl nede mens du klikker in the list of preferences, select Ny nøgle, and then select Boolsk værdi.
3. In the Skriv indstillingens navn window, enter network.dns.disablePrefetch and click OK.
4. Select true when prompted to set the value and click OK.

IPv6

Firefox supports IPv6 by default, which may cause connection problems on certain systems. To disable IPv6 in Firefox:

1. Skriv about:config i adressefeltet, og tryk på tasten EnterRetur.
   En advarselsside vises måske. Klik på knappen Accepter risikoen og fortsæt for at gå til siden about:config.
2. In the FilterSearch field, type network.dns.disableIPv6
3. In the list of preferences, double-click network.dns.disableIPv6 to change its value from false to true.

Firefox kan ikke indlæse bestemte websteder

If you find that Firefox can load some websites but not others, first clear your Firefox cookies and cache:

1. Klik på menuknappen Billedet "fx57menu" findes ikke. for at åbne menuen.
2. Klik på Historik, og klik så på Ryd seneste historik…
3. Klik på rullemenuen ud for Fjern, og vælg Hele min historik.
4. Sæt flueben ud for både Cookies og Cache under Historik. Sørg for, at andre elementer, du vil beholde, ikke er valgt.
5. Klik på knappen OKRyd nu.

Baseret på information fra Error loading websites (mozillaZine KB)