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The DNS server not responding message usually means Windows cannot get a response when translating a website name into an IP address. The cause may be your router, internet provider, DNS configuration, VPN, or security software. Try these steps in order.

1. Check whether the connection is generally working

Open another website and test another device on the same network. If all devices are offline, restart your modem and router: unplug power, wait about 30 seconds, reconnect them, and allow them to finish starting. If your provider reports an outage, local Windows changes may not help.

2. Restart the PC and temporarily disconnect VPN software

Restart Windows. If you use a VPN or proxy, disconnect it briefly and test again. Some VPNs apply their own DNS settings, so reconnect it after testing. If the connection works only without the VPN, check its app settings or contact its support team rather than leaving a required security connection disabled.

3. Run the network troubleshooter

Go to Settings → System → Troubleshoot → Other troubleshooters and run the available network or internet troubleshooter. The exact options may vary by Windows build. Apply any suggested fix and test the connection again.

4. Flush the DNS resolver cache

Right-click Start, open Terminal or Command Prompt, and run:

ipconfig /flushdns

Wait for the success message, close the window, and retry the website. This clears cached DNS records; it does not change your router or provider settings.

5. Renew the IP configuration

In the same terminal, run these commands one at a time:

ipconfig /release
ipconfig /renew

Your connection may briefly disconnect while Windows requests a new address. If you use a manually assigned static IP address, do not use these commands without understanding your network configuration.

6. Try a different DNS server

Open Settings → Network & internet, select your active Wi-Fi or Ethernet connection, and find DNS server assignment. Choose Edit, switch to Manual, enable IPv4, and enter a reputable DNS provider’s addresses. For example, Cloudflare’s IPv4 DNS addresses are 1.1.1.1 and 1.0.0.1. Save the change and test. Record your original settings first so you can restore them if needed. If your network requires internal DNS, use the administrator-provided values instead.

7. Check security software and network drivers

Review recent firewall, antivirus, VPN, or network-filter changes. Do not permanently disable protection; use the software’s supported diagnostics or contact its provider. Also check Windows Update and your PC manufacturer’s support page for appropriate network-adapter drivers.

8. Reset network settings as a last step

If nothing else works, use Settings → Network & internet → Advanced network settings → Network reset. This removes and reinstalls network adapters and may require you to reconnect to Wi-Fi or reinstall VPN software. Save any required network details first.

Bottom line: Check other devices and restart the router before changing DNS. Flush the cache, renew the connection, and test a trusted DNS resolver. Use Network reset only after simpler checks fail.

When Windows 11 displays USB device not recognized, the cause may be a faulty cable, an unstable USB port, a power issue, or a driver problem. Work through these checks in order so you can identify whether the issue is with Windows, the port, or the device itself.

1. Reconnect the device and try another port

Unplug the device, wait a few seconds, and reconnect it. If possible, connect it directly to the computer instead of through a hub or docking station. Try another USB port, preferably one on the computer itself. For a desktop PC, test a rear motherboard port as well as a front-panel port.

2. Check the cable and test another computer

Some USB cables only provide power and do not transfer data. Use the cable supplied with the device or a known data-capable cable. Inspect the connector for visible damage. If the device still is not detected, test it on another computer. If it fails there too, the device or cable may be the problem.

3. Restart Windows

Save your work, disconnect the USB device, and restart the PC. Once Windows has fully loaded, reconnect it. A restart can clear a temporary problem with the USB controller or device detection.

4. Check Device Manager

Right-click Start and open Device Manager. Expand Universal Serial Bus controllers and look for an entry with a warning symbol or a name such as Unknown USB Device. Open its Properties to read the device status. If you can identify the affected entry, right-click it and choose Uninstall device, then restart Windows and reconnect the device. Avoid uninstalling unrelated controllers.

5. Install Windows and manufacturer updates

Open Settings → Windows Update and install applicable updates. Check your computer or device manufacturer’s support page for USB, chipset, dock, or peripheral drivers designed for your exact model and Windows version. Avoid third-party driver download sites.

6. Review USB power settings

If the device disconnects intermittently, open Device Manager and inspect the properties of relevant USB Root Hub entries. If a Power Management tab is available, you can test whether unchecking Allow the computer to turn off this device to save power changes the behavior. The tab and setting are not available on every system.

7. Consider power and compatibility

High-power devices may not work reliably through an unpowered hub. Connect them directly or use a powered hub recommended by the device maker. Also check whether the peripheral requires its own driver, firmware, or a specific USB standard.

When to seek repair

If several known-good USB devices fail on the same port, the port or controller may be damaged. Stop using a physically loose, bent, or unusually hot connector and arrange a hardware check. If only one device fails across multiple computers, contact its manufacturer.

Bottom line: Test another port and cable first, then restart, inspect Device Manager, and install manufacturer updates. Testing the device on a second computer is a useful way to narrow down the cause.

If Windows 11 stays on the shutdown screen or immediately starts again, power settings, drivers, or background software may be responsible.

Method 1: Close running apps

Save your work and close open programs. Then try shutting down Windows again.

Method 2: Restart instead

Choose Restart from the Start menu. A normal restart can clear temporary system processes that interfere with shutdown.

Method 3: Disable Fast Startup

Open Control Panel, select Power Options > Choose what the power buttons do, and review Turn on fast startup. You may need to select Change settings that are currently unavailable first.

Method 4: Update drivers

Install Windows updates and check Device Manager for driver problems, especially chipset and graphics devices.

Method 5: Try a full shutdown

Open Terminal as administrator and use shutdown /s /f /t 0 to test a full shutdown. Save all work first because applications are forced to close.

Final tip

If the PC repeatedly restarts instead of shutting down, investigate power settings and recently installed drivers or software.

A Windows 11 laptop that gets unusually hot can be affected by heavy background processes, blocked airflow, high performance settings, or demanding applications.

Method 1: Check CPU usage

Press Ctrl + Shift + Esc and check which processes are using the most CPU. Close applications you recognize and do not need.

Method 2: Improve airflow

Use the laptop on a hard, flat surface. Keep vents clear and remove visible dust from the ventilation openings.

Method 3: Check power settings

Open Settings > System > Power & battery and review the power mode. A lower power mode can reduce heat during lighter workloads.

Method 4: Update drivers

Install Windows updates and check the laptop manufacturer’s official support page for important BIOS and driver updates.

Method 5: Test demanding apps

Close games or other intensive applications and see whether temperatures return to normal.

Final tip

If the laptop becomes extremely hot, shuts down unexpectedly, or the fans behave abnormally, professional hardware service may be necessary.

Random freezes in Windows 11 can be related to drivers, overheating, storage problems, memory issues, or background software.

Method 1: Check Task Manager

Press Ctrl + Shift + Esc and check CPU, memory, and disk usage when the PC becomes slow or unresponsive.

Method 2: Update Windows

Open Settings > Windows Update and install available updates. Restart the computer afterward.

Method 3: Update drivers

Check Device Manager for devices with warning icons. Update important chipset, graphics, storage, and network drivers from trusted sources.

Method 4: Check system files

Open Terminal as administrator and run sfc /scannow. Restart Windows when the scan finishes.

Method 5: Check temperatures

If freezes happen during gaming or demanding tasks, make sure the PC has adequate airflow and that fans are working normally.

Final tip

If the system continues freezing, test memory and storage health and note whether the freezes occur during a specific application.

If a Windows 11 laptop loses a lot of battery while it appears to be sleeping, background activity, connected devices, or sleep behavior may be responsible.

## Method 1: Check power settings
Open Settings > System > Power & battery and review the available sleep and power options.

## Method 2: Disconnect unnecessary devices
Before closing the lid, disconnect USB accessories, external storage, and other devices. Test whether battery drain improves.

## Method 3: Update Windows and drivers
Install Windows updates and check the laptop manufacturer’s official support page for BIOS, chipset, and power-management updates.

## Method 4: Review sleep timeouts
Check when the display turns off and when the PC sleeps. Make sure it is actually entering a low-power state when expected.

## Method 5: Check battery usage
Open Settings > System > Power & battery > Battery usage and review which applications consume significant power.

## Method 6: Compare sleep with shutdown
Shut the laptop down completely for a similar period. If the battery still drops substantially while powered off, investigate the battery, firmware, or hardware.

### Final tip
Battery capacity naturally decreases with age. Use the manufacturer’s battery diagnostics if capacity is very low or the laptop shuts down unexpectedly.

If your Windows 11 microphone works but your voice is very quiet, check the selected input device, input volume, app settings, permissions, and drivers.

## Method 1: Select the correct microphone
Open Settings > System > Sound. Under Input, select the microphone you actually use and speak to check the input level.

## Method 2: Increase input volume
Open the selected microphone’s properties and raise its input volume. Test again.

## Method 3: Check the application
If the microphone is quiet only in Discord, Teams, a browser, or another app, check that application’s input device and volume.

## Method 4: Check permissions
Go to Settings > Privacy & security > Microphone. Make sure microphone access is enabled and the affected application is permitted to use it.

## Method 5: Update the audio driver
Open Device Manager > Audio inputs and outputs. Update the microphone device or install the current driver from the PC manufacturer’s official support page.

## Method 6: Test another microphone
Connect another microphone or headset. If it has normal volume, investigate the original microphone, cable, USB port, or headset hardware.

### Final tip
If every microphone is quiet, focus on Windows settings and drivers before replacing the headset.