ComputerDok – Computer Tips, Windows Guides, & Tech Tutorials

Is your Windows 11 Wi-Fi not working ? You may be unable to connect to your wireless network, see a missing Wi-Fi option, experience frequent disconnections, or see “Connected, no internet.” Wi-Fi problems can be caused by a disabled wireless adapter, driver problems, incorrect network settings, DNS errors, Windows services, power-management settings, wireless interference, router problems, or a recent Windows update. This guide explains 16 ways to fix Wi-Fi problems in Windows 11 . Start with the simple checks first. If they do not work, continue through the more advanced fixes. Windows 11 Wi-Fi troubleshooting. Quick Answer: If Wi-Fi is not working in Windows 11, first make sure Wi-Fi is enabled and Airplane mode is off. Restart the PC and router, then try forgetting and reconnecting to the wireless network. If that does not help, check the Wi-Fi adapter in Device Manager, restart WLAN AutoConfig, update the Wi-Fi driver, reset TCP/IP and DNS, and use Network Re...

Windows 11 PC Running Slow? 14 Ways to Fix It Is your Windows 11 PC running slowly, taking too long to start, or freezing when you open apps? Slow performance can have several causes, including too many startup apps, low storage space, high CPU or memory usage, Windows problems, malware, or older hardware. This guide shows practical ways to find the cause and improve Windows 11 performance without immediately resetting or reinstalling Windows. Quick Answer: If your Windows 11 PC is slow, first restart the computer and check CPU, Memory, and Disk usage in Task Manager. Then disable unnecessary startup apps, free up storage, install Windows updates, remove unused software, scan for malware, and check whether your hardware is limiting performance. Why Is My Windows 11 PC Running Slow? There is no single cause of a slow Windows 11 PC. Performance can decrease when too many applications run in the background, storage space becomes limited, startup programs consume resources, ...

Last updated: September 04, 202 6 RAM (Random Access Memory) is one of the most important components in your computer. Windows uses RAM to temporarily store the data and programs that are currently being used. When RAM becomes faulty, poorly connected, or insufficient for your workload, you may experience freezing, crashes, unexpected restarts, blue screen errors, and other problems. This guide explains how to identify and troubleshoot RAM problems in Windows 10 and Windows 11 . You will also learn how to test your memory safely before deciding whether it needs to be replaced. In This Guide What Is RAM? What Causes RAM Problems? Common Symptoms of Faulty RAM Faulty RAM vs. Not Enough RAM Other Problems That Look Like Bad RAM Test RAM With Windows Memory Diagnostic Check the Memory Diagnostic Result Test RAM Modules One at a Time Check Different RAM Slots How to Clean RAM Safely Check How Much RAM Your Computer Has What to Do If RAM Fails the Test What If RAM P...

What Are Computer Beep Codes? BIOS and POST Error Guide Last updated: August 20, 2026 When a computer powers on but cannot display an error message, it may use a series of beeps to indicate a hardware problem. These sounds are commonly called beep codes . Beep codes are generated during the Power-On Self-Test, or POST , which runs before Windows starts. POST checks important hardware such as memory, the processor, graphics hardware, and other motherboard components. However, beep codes are not universal. The same number of beeps can mean different things on different motherboards, computer manufacturers, and models. Modern computers may also use diagnostic LEDs, screen messages, POST codes, or manufacturer-specific diagnostic systems instead of traditional beep codes. What Are Beep Codes? A beep code is an audible diagnostic signal produced by a computer during startup. The signal can help identify a hardware problem when the computer cannot display an error on the screen. ...