[{"data":1,"prerenderedAt":323},["ShallowReactive",2],{"en-post-42":3},{"id":4,"title":5,"body":6,"description":12,"extension":316,"meta":317,"navigation":318,"path":319,"seo":320,"stem":321,"__hash__":322},"content/post/42.md","42",{"type":7,"value":8,"toc":302},"minimark",[9,13,22,27,40,44,67,71,74,89,92,96,99,110,114,136,140,147,162,166,169,192,196,214,218,295,299],[10,11,12],"p",{},"WeChat sends messages and QQ connects, but the browser will not open any page. This is the most typical and most confusing network failure. The point up front is simple: WeChat and QQ use their own persistent connections and do not depend on system DNS resolution, while the browser must resolve a domain name before it can open a site. So nine times out of ten the problem is DNS, a proxy, or the browser itself. Follow these 8 steps.",[10,14,15,16,21],{},"If you cannot connect to Wi-Fi at all, read the Wi-Fi guide first. If the homepage was changed or tied to a promotion, see ",[17,18,20],"a",{"href":19},"/post/38/","Browser Homepage Hijacked and Won't Change",".",[23,24,26],"h2",{"id":25},"_1-first-tell-the-scope-all-sites-or-just-one","1. First tell the scope: all sites or just one",[28,29,30,34,37],"ul",{},[31,32,33],"li",{},"If every site fails, your network, DNS, or proxy is the problem (focus on steps 2 to 7).",[31,35,36],{},"If only one site fails, a video site say, while others work, it is likely the server, the site itself, a block, or a local hosts entry. Jump to step 6.",[31,38,39],{},"If some open and some don't, DNS resolution is probably unstable. Go straight to step 3.",[23,41,43],{"id":42},"_2-confirm-the-network-itself-works","2. Confirm the network itself works",[45,46,47,50,53,61,64],"ol",{},[31,48,49],{},"Does the taskbar network icon say \"Connected, internet available\"?",[31,51,52],{},"Try another device on the same Wi-Fi to rule out the router or broadband.",[31,54,55,56,60],{},"Run ",[57,58,59],"code",{},"ipconfig"," and check you got an IP. An address like 169.254.x.x means you did not, so reconnect or restart the router.",[31,62,63],{},"Restarting the router and modem fixes half of the suddenly broken cases.",[31,65,66],{},"On a laptop, connect a cable directly to the router to rule out unstable Wi-Fi.",[23,68,70],{"id":69},"_3-change-dns-the-core-fix-for-qq-works-but-pages-dont","3. Change DNS, the core fix for \"QQ works but pages don't\"",[10,72,73],{},"This is the most common root cause. Switch from automatic DNS to a public server.",[45,75,76,79,82],{},[31,77,78],{},"Settings > Network & Internet > your connection (WLAN or Ethernet) > Hardware properties > DNS server assignment > Edit.",[31,80,81],{},"Choose Manual, turn on IPv4, and enter one of these. Preferred 223.5.5.5 (Ali) or 223.6.6.6. Or preferred 114.114.114.114 and 114.114.115.115. Or preferred 8.8.8.8 and alternate 8.8.4.4 (Google; unstable on some networks).",[31,83,84,85,88],{},"After saving, run ",[57,86,87],{},"ipconfig /flushdns"," in a command prompt to clear the DNS cache, then open the browser.",[10,90,91],{},"If pages work immediately after this, the original ISP DNS was failing or polluted, so just keep using a public DNS.",[23,93,95],{"id":94},"_4-turn-off-a-misconfigured-proxy-or-vpn","4. Turn off a misconfigured proxy or VPN",[10,97,98],{},"A proxy that is on but unreachable kills the browser.",[45,100,101,104,107],{},[31,102,103],{},"Settings > Network & Internet > Proxy. Make sure \"Automatically detect settings\" is as you want it, and if \"Use a proxy server\" is on but you did not set it up, turn it off.",[31,105,106],{},"If you installed a VPN or accelerator, quit it completely (right-click the tray icon, not just \"Disconnect\"), because many leave a proxy behind.",[31,108,109],{},"Inside the browser, search \"proxy\" in Chrome or Edge settings and set it to use system proxy settings.",[23,111,113],{"id":112},"_5-the-browser-itself-cache-extensions-config","5. The browser itself: cache, extensions, config",[28,115,116,123,126,129],{},[31,117,118,119,122],{},"Try an InPrivate window (",[57,120,121],{},"Ctrl+Shift+N","). If it works, the cause is an extension or cache.",[31,124,125],{},"Disable all extensions, especially ad blockers, VPN, and script tools, then test.",[31,127,128],{},"Clear the browser cache: Settings > Privacy > Clear browsing data (tick Cookies and cache).",[31,130,131,132,21],{},"Still broken means resetting the browser to defaults, or creating a new profile, or reinstalling. For recommendations and a clean install, see ",[17,133,135],{"href":134},"/post/43/","Best Windows Browsers in 2026 and How They Compare",[23,137,139],{"id":138},"_6-check-the-hosts-file-for-tampering","6. Check the hosts file for tampering",[10,141,142,143,146],{},"Adware writes fixed rules into ",[57,144,145],{},"C:\\Windows\\System32\\drivers\\etc\\hosts"," that point some sites to the wrong address.",[45,148,149,152,159],{},[31,150,151],{},"Open that hosts file as administrator in Notepad (show hidden files first).",[31,153,154,155,158],{},"Except for ",[57,156,157],{},"127.0.0.1 localhost",", delete the abnormal lines that point to specific sites, then save.",[31,160,161],{},"This usually travels with a homepage hijack, so the cleanup method is the same one covered above.",[23,163,165],{"id":164},"_7-reset-the-tcpip-and-winsock-stacks","7. Reset the TCP/IP and Winsock stacks",[10,167,168],{},"Corrupted network components can stop the browser from resolving or connecting.",[45,170,171,189],{},[31,172,173,174,177,178,177,181,177,184,177,187,21],{},"From an admin command prompt, run in order: ",[57,175,176],{},"netsh winsock reset",", ",[57,179,180],{},"netsh int ip reset",[57,182,183],{},"ipconfig /release",[57,185,186],{},"ipconfig /renew",[57,188,87],{},[31,190,191],{},"Restart the computer.",[23,193,195],{"id":194},"_8-wrong-time-firewall-driver-fallbacks","8. Wrong time, firewall, driver fallbacks",[28,197,198,205,208,211],{},[31,199,200,201,21],{},"A wrong system clock breaks HTTPS certificate checks and every https site fails. To sync the time, see ",[17,202,204],{"href":203},"/post/37/","Computer Clock Wrong or Not Syncing",[31,206,207],{},"The firewall or antivirus may be blocking the browser from the network. Turn it off temporarily to test, not permanently.",[31,209,210],{},"A bad network driver shows up in Device Manager; update, reinstall, or roll it back.",[31,212,213],{},"Still stuck means testing with another browser or another network, a phone hotspot, to tell whether the problem is the PC or the environment.",[23,215,217],{"id":216},"common-error-reference","Common error reference",[219,220,221,237],"table",{},[222,223,224],"thead",{},[225,226,227,231,234],"tr",{},[228,229,230],"th",{},"Error",[228,232,233],{},"Meaning",[228,235,236],{},"Start at",[238,239,240,252,263,274,285],"tbody",{},[225,241,242,246,249],{},[243,244,245],"td",{},"ERR_NAME_NOT_RESOLVED",[243,247,248],{},"DNS resolution failed",[243,250,251],{},"3",[225,253,254,257,260],{},[243,255,256],{},"ERR_INTERNET_DISCONNECTED",[243,258,259],{},"Network not connected",[243,261,262],{},"2",[225,264,265,268,271],{},[243,266,267],{},"ERR_PROXY_CONNECTION_FAILED",[243,269,270],{},"Proxy error",[243,272,273],{},"4",[225,275,276,279,282],{},[243,277,278],{},"ERR_CONNECTION_RESET or TIMED_OUT",[243,280,281],{},"Connected but reset or timed out",[243,283,284],{},"6, 7",[225,286,287,290,293],{},[243,288,289],{},"QQ works but no page at all",[243,291,292],{},"DNS problem",[243,294,251],{},[23,296,298],{"id":297},"summary","Summary",[10,300,301],{},"\"WeChat works but the browser doesn't\" can be answered by changing DNS first (step 3), and eight times out of ten that fixes it. Next are turning off the proxy (step 4) and clearing extensions and cache (step 5). Remember the rule: QQ working means the network is up, and a page failing means DNS, proxy, or the browser. Cover hosts, TCP/IP, and the clock, and there is little left this checklist cannot handle.",{"title":303,"searchDepth":304,"depth":304,"links":305},"",2,[306,307,308,309,310,311,312,313,314,315],{"id":25,"depth":304,"text":26},{"id":42,"depth":304,"text":43},{"id":69,"depth":304,"text":70},{"id":94,"depth":304,"text":95},{"id":112,"depth":304,"text":113},{"id":138,"depth":304,"text":139},{"id":164,"depth":304,"text":165},{"id":194,"depth":304,"text":195},{"id":216,"depth":304,"text":217},{"id":297,"depth":304,"text":298},"md",{},true,"/post/42",{"description":12},"post/42","vS3ee7bjEp261FoOjGGFGYNRYLv-OMYIcKfSalosG58",1794378303964]