{"id":74104,"date":"2025-10-24T07:17:31","date_gmt":"2025-10-24T00:17:31","guid":{"rendered":"https:\/\/itsystems.vn\/network-troubleshooting-support-25-10-24\/"},"modified":"2026-07-29T11:36:57","modified_gmt":"2026-07-29T04:36:57","slug":"network-troubleshooting-support-25-10-24","status":"publish","type":"post","link":"https:\/\/itsystems.vn\/en\/network-troubleshooting-support-25-10-24\/","title":{"rendered":"Network Troubleshooting Support: 6 Easy and Effective Steps [2024]"},"content":{"rendered":"<p>Are you facing a <strong>network issue<\/strong>, ranging from <strong>slow internet<\/strong> like a tortoise, <strong>unable to access Facebook, YouTube<\/strong>, to <strong>complete disconnection<\/strong>? Don&#8217;t worry! This article will <strong>support network troubleshooting<\/strong> in detail and easy to understand, helping you resolve the issues on your own and regain a stable, fast internet connection. We will guide you step by step, from simple checks to professional tools, so you can confidently take control of your internet network. <a href=\"https:\/\/itsystems.vn\/en\/it-services-for-businesses\/it-support-services\/\" title=\"Current Support\">Network troubleshooting support<\/a><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">The content of the article<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/itsystems.vn\/en\/network-troubleshooting-support-25-10-24\/#1_Network_Troubleshooting_Overview_of_Common_Network_Issues\" >1. Network Troubleshooting: Overview of Common Network Issues<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/itsystems.vn\/en\/network-troubleshooting-support-25-10-24\/#11_Slow_Internet_Signs_and_Impacts\" >1.1. Slow Internet: Signs and Impacts<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/itsystems.vn\/en\/network-troubleshooting-support-25-10-24\/#12_Unable_to_Access_Website_Errors_%E2%80%9CCannot_connect%E2%80%9D_and_%E2%80%9CWebsite_unavailable%E2%80%9D\" >1.2. Unable to Access Website: Errors &#8220;Cannot connect&#8221; and &#8220;Website unavailable&#8221;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/itsystems.vn\/en\/network-troubleshooting-support-25-10-24\/#13_Internal_Network_LAN_or_Wi-Fi_Disconnection_Why_and_How_to_Identify\" >1.3. Internal Network (LAN) or Wi-Fi Disconnection: Why and How to Identify<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/itsystems.vn\/en\/network-troubleshooting-support-25-10-24\/#14_Errors_Related_to_DNS_Gateway_IP_When_Do_They_Occur\" >1.4. Errors Related to DNS, Gateway, IP: When Do They Occur?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/itsystems.vn\/en\/network-troubleshooting-support-25-10-24\/#2_Identifying_the_Causes_of_Network_Issues\" >2. Identifying the Causes of Network Issues<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/itsystems.vn\/en\/network-troubleshooting-support-25-10-24\/#21_Hardware_Culprits_Modem_Router_Network_Cables\" >2.1. Hardware Culprits: Modem, Router, Network Cables<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/itsystems.vn\/en\/network-troubleshooting-support-25-10-24\/#22_Incorrect_Network_Configuration_IP_Conflict_DNS_Errors%E2%80%A6\" >2.2. Incorrect Network Configuration: IP Conflict, DNS Errors,&#8230;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/itsystems.vn\/en\/network-troubleshooting-support-25-10-24\/#23_Software_Interference_Virus_Malware_Firewall\" >2.3. Software Interference: Virus, Malware, Firewall<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/itsystems.vn\/en\/network-troubleshooting-support-25-10-24\/#24_Uncontrollable_Causes_Broken_Fiber_Optic_Cable_Issues_from_ISP\" >2.4. Uncontrollable Causes: Broken Fiber Optic Cable, Issues from ISP<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/itsystems.vn\/en\/network-troubleshooting-support-25-10-24\/#3_Step-by-Step_Guide_to_Troubleshooting_Network_Issues_With_Images\" >3. Step-by-Step Guide to Troubleshooting Network Issues (With Images)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/itsystems.vn\/en\/network-troubleshooting-support-25-10-24\/#31_Step_1_Check_and_Reset_Physical_Connection_Network_Cables_Indicator_Lights\" >3.1. Step 1: Check and Reset Physical Connection (Network Cables, Indicator Lights)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/itsystems.vn\/en\/network-troubleshooting-support-25-10-24\/#32_Step_2_Properly_Restart_Reset_Modem_and_Router\" >3.2. Step 2: Properly Restart (Reset) Modem and Router<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/itsystems.vn\/en\/network-troubleshooting-support-25-10-24\/#33_Step_3_%E2%80%9CBypass_Firewall%E2%80%9D_by_Changing_DNS_Detailed_Guide_with_DNS_Jumper\" >3.3. Step 3: &#8220;Bypass Firewall&#8221; by Changing DNS (Detailed Guide with DNS Jumper)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/itsystems.vn\/en\/network-troubleshooting-support-25-10-24\/#34_Step_4_Reconfigure_RouterModem_If_Necessary\" >3.4. Step 4: Reconfigure Router\/Modem (If Necessary)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/itsystems.vn\/en\/network-troubleshooting-support-25-10-24\/#35_Step_5_Scan_for_Viruses_and_Check_Firewall_to_Eliminate_%E2%80%9CIntruders%E2%80%9D\" >3.5. Step 5: Scan for Viruses and Check Firewall to Eliminate &#8220;Intruders&#8221;<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/itsystems.vn\/en\/network-troubleshooting-support-25-10-24\/#4_%E2%80%9CRescue%E2%80%9D_Your_Network_with_Powerful_Support_Tools\" >4. &#8220;Rescue&#8221; Your Network with Powerful Support Tools<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/itsystems.vn\/en\/network-troubleshooting-support-25-10-24\/#41_Top_Free_%E2%80%9CSavior%E2%80%9D_Software_DNS_Jumper_PingTools_Speedtestnet%E2%80%A6\" >4.1. Top Free &#8220;Savior&#8221; Software: DNS Jumper, PingTools, Speedtest.net,&#8230;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/itsystems.vn\/en\/network-troubleshooting-support-25-10-24\/#42_Step-by-Step_Instructions_for_Each_Tool_With_Illustrative_Images\" >4.2. Step-by-Step Instructions for Each Tool (With Illustrative Images)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/itsystems.vn\/en\/network-troubleshooting-support-25-10-24\/#43_%E2%80%9CDiagnosing%E2%80%9D_Network_via_Command_Line_Ping_Ipconfig_Tracert_Advanced\" >4.3. &#8220;Diagnosing&#8221; Network via Command Line: Ping, Ipconfig, Tracert (Advanced)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/itsystems.vn\/en\/network-troubleshooting-support-25-10-24\/#5_%E2%80%9CUpgrade%E2%80%9D_Your_Network_Advanced_Solutions_Prevention_Measures\" >5. &#8220;Upgrade&#8221; Your Network: Advanced Solutions &#038; Prevention Measures<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/itsystems.vn\/en\/network-troubleshooting-support-25-10-24\/#51_Enhance_Network_Security_Fake_IP_Anonymity_VPN_When_to_Use\" >5.1. Enhance Network Security: Fake IP, Anonymity, VPN (When to Use?)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/itsystems.vn\/en\/network-troubleshooting-support-25-10-24\/#52_Schedule_Regular_Network_Checks_Why_Important_and_How_to_Implement\" >5.2. Schedule Regular Network Checks: Why Important and How to Implement<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/itsystems.vn\/en\/network-troubleshooting-support-25-10-24\/#53_Contact_ISPSupport_Community_When_to_Seek_Help\" >5.3. Contact ISP\/Support Community: When to Seek Help?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/itsystems.vn\/en\/network-troubleshooting-support-25-10-24\/#6_FAQ_%E2%80%93_Answers_to_Common_Network_Problems\" >6. FAQ &#8211; Answers to Common Network Problems<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/itsystems.vn\/en\/network-troubleshooting-support-25-10-24\/#61_Why_is_the_Internet_Slow_in_the_Evening\" >6.1. Why is the Internet Slow in the Evening?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/itsystems.vn\/en\/network-troubleshooting-support-25-10-24\/#62_Does_Changing_DNS_Really_Help_Improve_Internet_Speed\" >6.2. Does Changing DNS Really Help Improve Internet Speed?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/itsystems.vn\/en\/network-troubleshooting-support-25-10-24\/#63_How_to_Check_Actual_Internet_Speed\" >6.3. How to Check Actual Internet Speed?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/itsystems.vn\/en\/network-troubleshooting-support-25-10-24\/#64_Should_I_Use_Free_VPN\" >6.4. Should I Use Free VPN?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/itsystems.vn\/en\/network-troubleshooting-support-25-10-24\/#Related_services_from_IT_Systems\" >Related services from IT Systems<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/itsystems.vn\/en\/network-troubleshooting-support-25-10-24\/#FAQ\" >FAQ<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/itsystems.vn\/en\/network-troubleshooting-support-25-10-24\/#When_should_a_business_ask_IT_Systems_for_support\" >When should a business ask IT Systems for support?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/itsystems.vn\/en\/network-troubleshooting-support-25-10-24\/#Can_IT_Systems_help_review_the_current_environment_before_proposing_a_solution\" >Can IT Systems help review the current environment before proposing a solution?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/itsystems.vn\/en\/network-troubleshooting-support-25-10-24\/#Does_this_topic_connect_to_ongoing_IT_operations\" >Does this topic connect to ongoing IT operations?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-35\" href=\"https:\/\/itsystems.vn\/en\/network-troubleshooting-support-25-10-24\/#Need_help_applying_this_to_your_business\" >Need help applying this to your business?<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"1_Network_Troubleshooting_Overview_of_Common_Network_Issues\"><\/span>1. Network Troubleshooting: Overview of Common Network Issues<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Network issues can arise from many different causes. Understanding their symptoms is the first step in the conflict resolution process.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"11_Slow_Internet_Signs_and_Impacts\"><\/span>1.1. Slow Internet: Signs and Impacts<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Slow internet can occur for various reasons, such as bandwidth congestion or hardware malfunction. This not only affects user experience but also impacts work and productivity.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"12_Unable_to_Access_Website_Errors_%E2%80%9CCannot_connect%E2%80%9D_and_%E2%80%9CWebsite_unavailable%E2%80%9D\"><\/span>1.2. Unable to Access Website: Errors &#8220;Cannot connect&#8221; and &#8220;Website unavailable&#8221;<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>When you cannot access a specific website, there may be many reasons such as blocked IP address or faults from the service provider.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"13_Internal_Network_LAN_or_Wi-Fi_Disconnection_Why_and_How_to_Identify\"><\/span>1.3. Internal Network (LAN) or Wi-Fi Disconnection: Why and How to Identify<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Disconnection errors could be due to the Wi-Fi signal generator device not functioning or a broken network cable. Directly checking the connection is a simple way to verify the issue.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"14_Errors_Related_to_DNS_Gateway_IP_When_Do_They_Occur\"><\/span>1.4. Errors Related to DNS, Gateway, IP: When Do They Occur?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>These errors often occur when there is a conflict in the network configuration. To resolve them, you need to understand how to set these parameters.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"2_Identifying_the_Causes_of_Network_Issues\"><\/span>2. Identifying the Causes of Network Issues<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Identifying the cause of network issues is important to implement effective troubleshooting measures.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"21_Hardware_Culprits_Modem_Router_Network_Cables\"><\/span>2.1. Hardware Culprits: Modem, Router, Network Cables<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Devices like modems and routers need to be periodically checked to ensure they are functioning well. Lack of maintenance can lead to issues.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"22_Incorrect_Network_Configuration_IP_Conflict_DNS_Errors%E2%80%A6\"><\/span>2.2. Incorrect Network Configuration: IP Conflict, DNS Errors,&#8230;<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Sometimes just one incorrect setting can cause network issues. Therefore, carefully reviewing network parameters is necessary.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"23_Software_Interference_Virus_Malware_Firewall\"><\/span>2.3. Software Interference: Virus, Malware, Firewall<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Malware can affect the speed and stability of the network. Regularly checking and cleaning devices is advisable.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"24_Uncontrollable_Causes_Broken_Fiber_Optic_Cable_Issues_from_ISP\"><\/span>2.4. Uncontrollable Causes: Broken Fiber Optic Cable, Issues from ISP<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>If internal reasons have been ruled out, contact your ISP to confirm if there are any issues beyond your control.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"3_Step-by-Step_Guide_to_Troubleshooting_Network_Issues_With_Images\"><\/span>3. Step-by-Step Guide to Troubleshooting Network Issues (With Images)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Once you have identified the cause, it&#8217;s time to take specific troubleshooting steps.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"31_Step_1_Check_and_Reset_Physical_Connection_Network_Cables_Indicator_Lights\"><\/span>3.1. Step 1: Check and Reset Physical Connection (Network Cables, Indicator Lights)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>First, check all physical connections, ensuring that the network cable is not broken and the indicator lights on devices are functioning normally.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"32_Step_2_Properly_Restart_Reset_Modem_and_Router\"><\/span>3.2. Step 2: Properly Restart (Reset) Modem and Router<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>This action will help refresh the settings and can resolve many encountered issues, especially when the network is unstable.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"33_Step_3_%E2%80%9CBypass_Firewall%E2%80%9D_by_Changing_DNS_Detailed_Guide_with_DNS_Jumper\"><\/span>3.3. Step 3: &#8220;Bypass Firewall&#8221; by Changing DNS (Detailed Guide with DNS Jumper)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/taimienphi.vn\/download-dnsjumper-17799\" title=\"Download DNS Jumper\" target=\"_blank\" rel=\"noopener\">Changing DNS<\/a> can help increase network access speed. DNS Jumper software will assist you in this easily and quickly.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"34_Step_4_Reconfigure_RouterModem_If_Necessary\"><\/span>3.4. Step 4: Reconfigure Router\/Modem (If Necessary)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>If the previous steps were ineffective, you might need to adjust your router or modem configuration.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"35_Step_5_Scan_for_Viruses_and_Check_Firewall_to_Eliminate_%E2%80%9CIntruders%E2%80%9D\"><\/span>3.5. Step 5: Scan for Viruses and Check Firewall to Eliminate &#8220;Intruders&#8221;<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ensure that there are no threats from malware affecting your network. The firewall needs to be checked for effective operation.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"4_%E2%80%9CRescue%E2%80%9D_Your_Network_with_Powerful_Support_Tools\"><\/span>4. &#8220;Rescue&#8221; Your Network with Powerful Support Tools<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Support tools can help you evaluate and troubleshoot network issues more accurately.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"41_Top_Free_%E2%80%9CSavior%E2%80%9D_Software_DNS_Jumper_PingTools_Speedtestnet%E2%80%A6\"><\/span>4.1. Top Free &#8220;Savior&#8221; Software: DNS Jumper, PingTools, Speedtest.net,&#8230;<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Tools like DNS Jumper or Speedtest.net provide practical solutions for your network issues.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"42_Step-by-Step_Instructions_for_Each_Tool_With_Illustrative_Images\"><\/span>4.2. Step-by-Step Instructions for Each Tool (With Illustrative Images)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Detailed step-by-step guides on using these tools will help you perform tasks effectively.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"43_%E2%80%9CDiagnosing%E2%80%9D_Network_via_Command_Line_Ping_Ipconfig_Tracert_Advanced\"><\/span>4.3. &#8220;Diagnosing&#8221; Network via Command Line: Ping, Ipconfig, Tracert (Advanced)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The Command Line is a powerful tool to help you check your network connection status.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"5_%E2%80%9CUpgrade%E2%80%9D_Your_Network_Advanced_Solutions_Prevention_Measures\"><\/span>5. &#8220;Upgrade&#8221; Your Network: Advanced Solutions &#038; Prevention Measures<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Upgrading and maintaining the network is necessary to ensure it operates at its best.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"51_Enhance_Network_Security_Fake_IP_Anonymity_VPN_When_to_Use\"><\/span>5.1. Enhance Network Security: Fake IP, Anonymity, VPN (When to Use?)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Anonymity and using a VPN will protect you from external attack threats.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"52_Schedule_Regular_Network_Checks_Why_Important_and_How_to_Implement\"><\/span>5.2. Schedule Regular Network Checks: Why Important and How to Implement<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Regular checks will help detect and resolve issues before they escalate into major problems.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"53_Contact_ISPSupport_Community_When_to_Seek_Help\"><\/span>5.3. Contact ISP\/Support Community: When to Seek Help?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Sometimes, issues may exceed your capabilities, and seeking help from the ISP or community is the best option.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"6_FAQ_%E2%80%93_Answers_to_Common_Network_Problems\"><\/span>6. FAQ &#8211; Answers to Common Network Problems<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"61_Why_is_the_Internet_Slow_in_the_Evening\"><\/span>6.1. Why is the Internet Slow in the Evening?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The internet is often slow in the evening due to a surge in user numbers during peak hours.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"62_Does_Changing_DNS_Really_Help_Improve_Internet_Speed\"><\/span>6.2. Does Changing DNS Really Help Improve Internet Speed?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>In reality, changing DNS can improve access speed, especially with services like Google DNS or Cloudflare.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"63_How_to_Check_Actual_Internet_Speed\"><\/span>6.3. How to Check Actual Internet Speed?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Use tools like Speedtest.net to get the most accurate readings about your internet speed.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"64_Should_I_Use_Free_VPN\"><\/span>6.4. Should I Use Free VPN?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Yes, but you need to be cautious as there may be security risks and lower performance.<\/p>\n<p><!-- its-deep-aio-en-related-2026-07-27 --><\/p>\n<section class=\"its-deep-aio-related\" aria-label=\"Related IT Systems services\">\n<h2><span class=\"ez-toc-section\" id=\"Related_services_from_IT_Systems\"><\/span>Related services from IT Systems<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>If your team is dealing with this issue in a live business environment, these services can help you move from diagnosis to a stable operating process.<\/p>\n<ul>\n<li><a href=\"https:\/\/itsystems.vn\/en\/microsoft-business-licensing\/microsoft-windows-licensing\/\">Windows licensing for business<\/a><\/li>\n<li><a href=\"https:\/\/itsystems.vn\/en\/microsoft-business-licensing\/windows-license-pricing\/\">Windows license pricing<\/a><\/li>\n<li><a href=\"https:\/\/itsystems.vn\/en\/it-services-for-businesses\/it-support-services\/\">IT support services<\/a><\/li>\n<\/ul>\n<\/section>\n<p><!-- its-deep-aio-en-faq-2026-07-27 --><\/p>\n<section class=\"its-deep-aio-faq\" aria-label=\"Frequently asked questions\">\n<h2><span class=\"ez-toc-section\" id=\"FAQ\"><\/span>FAQ<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"When_should_a_business_ask_IT_Systems_for_support\"><\/span>When should a business ask IT Systems for support?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ask for support when the issue affects users, business data, security, licensing compliance, service availability or daily operations. A short technical review often prevents repeated incidents and hidden costs.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Can_IT_Systems_help_review_the_current_environment_before_proposing_a_solution\"><\/span>Can IT Systems help review the current environment before proposing a solution?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Yes. IT Systems can review the current setup, identify risks, map the issue to the right service scope and recommend a practical next step for your business.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Does_this_topic_connect_to_ongoing_IT_operations\"><\/span>Does this topic connect to ongoing IT operations?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>In most cases, yes. Problems around software, cloud, endpoint, network, backup or security should be connected to a broader IT operations plan instead of being handled as isolated incidents.<\/p>\n<\/section>\n<p><!-- its-deep-aio-en-cta-2026-07-27 --><\/p>\n<section class=\"its-deep-aio-cta\" aria-label=\"Contact IT Systems\">\n<h2><span class=\"ez-toc-section\" id=\"Need_help_applying_this_to_your_business\"><\/span>Need help applying this to your business?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>IT Systems Vietnam can help assess the issue, recommend the right service path and support implementation for your team.<\/p>\n<p><a class=\"button\" href=\"https:\/\/itsystems.vn\/en\/contact-it-systems-vietnam\/\">Contact IT Systems<\/a> <a class=\"button\" href=\"https:\/\/itsystems.vn\/en\/it-services-for-businesses\/it-support-services\/\">View IT support services<\/a><\/p>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Are you facing a network issue, ranging from slow internet like a tortoise, unable to access Facebook, YouTube, to complete disconnection? Don&#8217;t worry! This article will support network troubleshooting in detail and easy to understand, helping you resolve the issues on your own and regain a stable, fast internet connection. We will guide you step [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":74102,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"rank_math_focus_keyword":"Network troubleshooting support","rank_math_title":"Network Troubleshooting Support: 6 Easy and Effective Steps [2024]","rank_math_description":"Network troubleshooting support helps you confidently resolve network issues quickly.","rank_math_robots":"","rank_math_canonical_url":"","rank_math_schema":"","footnotes":""},"categories":[1344,2143],"tags":[],"class_list":["post-74104","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized-en","category-it-service"],"wpml_current_locale":"en_US","wpml_translations":{"vi_VN":{"locale":"vi_VN","id":74097,"slug":"ho-tro-khac-phuc-su-co-mang-25-10-24","post_title":"H\u1ed7 Tr\u1ee3 Kh\u1eafc Ph\u1ee5c S\u1ef1 C\u1ed1 M\u1ea1ng: 6 B\u01b0\u1edbc D\u1ec5 D\u00e0ng V\u00e0 Hi\u1ec7u Qu\u1ea3 [2024]","href":"https:\/\/itsystems.vn\/ho-tro-khac-phuc-su-co-mang-25-10-24\/"}},"_links":{"self":[{"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/posts\/74104","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/comments?post=74104"}],"version-history":[{"count":2,"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/posts\/74104\/revisions"}],"predecessor-version":[{"id":86021,"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/posts\/74104\/revisions\/86021"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/media\/74102"}],"wp:attachment":[{"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/media?parent=74104"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/categories?post=74104"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itsystems.vn\/en\/wp-json\/wp\/v2\/tags?post=74104"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}