--- title: "How to Fix PC WiFi Not Working | FixFix Labs" description: "Troubleshoot WiFi connectivity issues on desktop PCs including adapter problems and driver fixes. Step-by-step desktop pc troubleshooting guide with quick ch..." lang: en json-ld: | [ { "@context": "https://schema.org", "@graph": [ { "@type": "Organization", "@id": "https://fixfixlabs.com/#organization", "name": "FixFix Labs", "url": "https://fixfixlabs.com/", "logo": "https://fixfixlabs.com/emblem.webp", "sameAs": [ "https://facebook.com/fixfixlabs", "https://instagram.com/fixfixlabs", "https://www.tiktok.com/@fixfixlabs.com" ], "alternateName": [ "fixfixlabs", "Fix Fix Labs", "FixFix Labs", "fixfix labs", "fixfixlabs.com", "FixFix Labs Luton" ], "address": { "@type": "PostalAddress", "streetAddress": "159 Marsh Road", "addressLocality": "Luton", "addressRegion": "Bedfordshire", "postalCode": "LU3 2QL", "addressCountry": "GB" }, "areaServed": "GB" }, { "@type": [ "LocalBusiness", "ProfessionalService" ], "@id": "https://fixfixlabs.com/#localbusiness", "name": "FixFix Labs", "alternateName": [ "Repair Zone", "Repair Zone Luton", "FixFix Labs Luton", "FixFix Labs" ], "url": "https://fixfixlabs.com/", "image": "https://fixfixlabs.com/emblem.webp", "telephone": "+441582505020", "email": "support@fixfixlabs.com", "priceRange": "££", "parentOrganization": { "@id": "https://fixfixlabs.com/#organization" }, "address": { "@type": "PostalAddress", "streetAddress": "159 Marsh Road", "addressLocality": "Luton", "addressRegion": "Bedfordshire", "postalCode": "LU3 2QL", "addressCountry": "GB" }, "areaServed": [ "Luton", "Marsh Road", "Bury Park", "Leagrave", "Limbury", "Biscot", "Sundon Park", "Marsh Farm", "Lewsey", "High Town", "Stopsley", "Wigmore", "Farley Hill", "Round Green", "Bramingham", "Dunstable", "Houghton Regis", "Caddington", "Slip End", "Barton-le-Clay" ], "openingHoursSpecification": [ { "@type": "OpeningHoursSpecification", "dayOfWeek": [ "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" ], "opens": "10:00", "closes": "18:00" } ], "sameAs": [ "https://facebook.com/fixfixlabs", "https://instagram.com/fixfixlabs", "https://www.tiktok.com/@fixfixlabs.com" ] }, { "@type": "WebSite", "@id": "https://fixfixlabs.com/#website", "name": "FixFix Labs", "url": "https://fixfixlabs.com/", "publisher": { "@id": "https://fixfixlabs.com/#organization" }, "inLanguage": "en-GB", "potentialAction": { "@type": "SearchAction", "target": { "@type": "EntryPoint", "urlTemplate": "https://fixfixlabs.com/device-troubleshooting?q={search_term_string}" }, "query-input": "required name=search_term_string" } } ] }, { "@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Home", "item": "https://fixfixlabs.com/" }, { "@type": "ListItem", "position": 2, "name": "Troubleshooting", "item": "https://fixfixlabs.com/device-troubleshooting" }, { "@type": "ListItem", "position": 3, "name": "Desktop PCs Guides", "item": "https://fixfixlabs.com/device-troubleshooting#pc" }, { "@type": "ListItem", "position": 4, "name": "PC WiFi Not Working", "item": "https://fixfixlabs.com/device-troubleshooting/pc-wifi-issues" } ] }, { "@context": "https://schema.org", "@type": "HowTo", "name": "PC WiFi Not Working", "description": "This guide helps diagnose and fix Wi-Fi connectivity issues on desktop PCs, whether using a PCIe Wi-Fi card, USB adapter, or motherboard-integrated Wi-Fi.", "url": "https://fixfixlabs.com/device-troubleshooting/pc-wifi-issues", "step": [ { "@type": "HowToStep", "position": 1, "name": "Reinstall Wi-Fi drivers", "text": "1. Open Device Manager.\n2. Expand Network adapters.\n3. Right-click Wi-Fi adapter > Uninstall device.\n4. Restart PC. Windows will reinstall the driver.\n5. If not, download from manufacturer website." }, { "@type": "HowToStep", "position": 2, "name": "Check adapter in Device Manager", "text": "1. Look for your Wi-Fi adapter under Network adapters.\n2. If disabled (down arrow), right-click > Enable device.\n3. If yellow warning, right-click > Update driver.\n4. If missing, check physical connection." }, { "@type": "HowToStep", "position": 3, "name": "Reset network settings", "text": "1. Go to Settings > Network and Internet > Advanced network settings.\n2. Click Network reset.\n3. This removes and reinstalls all network adapters.\n4. You will need to reconnect to Wi-Fi after." }, { "@type": "HowToStep", "position": 4, "name": "Check antenna and positioning", "text": "1. Ensure external antennas are fully screwed on.\n2. Position antennas upright for best coverage.\n3. Move PC closer to router if possible.\n4. Consider a Wi-Fi range extender." } ] }, { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Can your PC see any Wi-Fi networks?", "acceptedAnswer": { "@type": "Answer", "text": "Yes: Adapter is working. Issue is with connection or authentication. | No: Wi-Fi adapter may be disabled, missing drivers, or faulty." } }, { "@type": "Question", "name": "Is the adapter visible in Device Manager?", "acceptedAnswer": { "@type": "Answer", "text": "Yes: Driver is loaded. Check for yellow warning icons. | No: Adapter may not be installed properly or has failed." } }, { "@type": "Question", "name": "Does it work with an Ethernet cable?", "acceptedAnswer": { "@type": "Answer", "text": "Yes: Internet connection is fine. Issue is Wi-Fi specific. | No: Broader network issue, not just Wi-Fi." } } ] } ] --- [![FixFix Labs](/assets/fixfix-logo-Dj0uNxZh.webp)](/) [Troubleshooting](/device-troubleshooting) [Luton Repairs](/repair) [Repair by Post](/mail-in-repair)[Track Repair](/track) [Custom PCs](/custom-builds) [Sign In](/login)[Start Diagnosis](/diagnosis) [](tel:01582505020) [01582 505020](tel:01582505020) 1. [All Guides](/device-troubleshooting) 2. [Desktop PCs](/device-troubleshooting?category=pc#problems) 3. PC WiFi Not Working Desktop PCs wifi # PC WiFi Not Working ## Quick Answer This guide helps diagnose and fix Wi-Fi connectivity issues on desktop PCs, whether using a PCIe Wi-Fi card, USB adapter, or motherboard-integrated Wi-Fi. Please note: This guide is provided for informational purposes only. Any steps you choose to follow are at your own discretion and risk. If you're unsure, we recommend booking a professional diagnosis. Line illustration of a desktop tower and monitor with diagnostic reference markings, overlaid with a wireless signal trace Desktop PC — illustration On this page - [Quick Checks](#quick-checks-heading) - [Guided Troubleshooting](#diagnostic-heading) - [Possible Causes](#possible-causes-heading) - [Self-Fix Instructions](#self-fix-heading) - [Safety Warnings](#warnings-heading) - [When troubleshooting isn't enough](#next-steps-heading) ## Quick Checks Try these fast checks first — they solve most cases. 1. Restart PC and router Power cycle both your PC and router to resolve temporary glitches. 2. Check other devices See if other devices can connect to the same network. 3. Check Wi-Fi adapter Ensure your USB Wi-Fi adapter is plugged in or PCIe card is seated. 4. Check antenna connections If using external antennas, ensure they are screwed on tightly. 5. Run network troubleshooter Right-click the network icon in taskbar and select Troubleshoot problems. ## Guided Troubleshooting Answer these questions to narrow down the issue. Can your PC see any Wi-Fi networks? YesNo Is the adapter visible in Device Manager? YesNo Does it work with an Ethernet cable? YesNo ## Possible Causes Driver issues Very Common Missing, outdated, or corrupted Wi-Fi drivers. Adapter disabled Common Wi-Fi adapter may be disabled in Windows settings or Device Manager. Loose antenna Common External antennas not properly connected reduce signal to zero. Router settings Moderate MAC filtering, channel congestion, or security settings. Hardware failure Less Common USB adapter or PCIe card has failed. Interference Moderate Other devices or physical barriers blocking signal. If the cause requires professional attention, see [Desktop PC connectivity repair options](/repair/pc/connectivity). ## Self-Fix Instructions Safe steps you can try at home. 1. ### Reinstall Wi-Fi drivers 1\. Open Device Manager. 2. Expand Network adapters. 3. Right-click Wi-Fi adapter > Uninstall device. 4. Restart PC. Windows will reinstall the driver. 5. If not, download from manufacturer website. 2. ### Check adapter in Device Manager 1\. Look for your Wi-Fi adapter under Network adapters. 2. If disabled (down arrow), right-click > Enable device. 3. If yellow warning, right-click > Update driver. 4. If missing, check physical connection. 3. ### Reset network settings 1\. Go to Settings > Network and Internet > Advanced network settings. 2. Click Network reset. 3. This removes and reinstalls all network adapters. 4. You will need to reconnect to Wi-Fi after. 4. ### Check antenna and positioning 1\. Ensure external antennas are fully screwed on. 2. Position antennas upright for best coverage. 3. Move PC closer to router if possible. 4. Consider a Wi-Fi range extender. ## Safety Warnings - Network reset removes all saved Wi-Fi passwords and VPN connections. - Only download drivers from the adapter manufacturer official website. - USB Wi-Fi adapters can overheat. Ensure adequate ventilation. - PCIe cards require the PC to be powered off before installation or removal. ## When troubleshooting isn't enough If these steps didn't resolve the issue, a professional diagnosis can identify the root cause. [Start Diagnosis ](/diagnosis?category=pc&issue=connectivity)[Desktop PC connectivity repair options ](/repair/pc/connectivity) ### Still need help? FixFix Labs repairs devices in Luton. Walk in to 159 Marsh Road, Luton, LU3 2QL — or book a slot online. Same-day service on most common repairs. 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