QuerTech

Windows CMD Power Tools

Master Essential Network Troubleshooting & System Analysis Commands

Unlock Your PC's Potential

Demystify your Windows system and network with these powerful Command Prompt utilities. Designed for quick diagnostics and deep insights.

IP Configuration Details

Display comprehensive IP settings for all network adapters, including MAC address, IP/IPv6, subnet, gateway, and DNS servers.

ipconfig /all

Filter DNS Servers

Quickly extract only DNS server information from the detailed IP configuration output.

ipconfig /all | findstr dns

Release & Renew IP

Refresh your IP address from the DHCP server to resolve common connectivity issues.

ipconfig /release & ipconfig /renew

Display DNS Cache

View the contents of your local DNS resolver cache, showing domain-to-IP mappings.

ipconfig /displaydns

Copy DNS Cache

Copy the DNS cache contents directly to your clipboard for analysis in other applications.

ipconfig /displaydns | clip

Get MAC Addresses

Retrieve the physical (MAC) addresses for all network adapters on your system.

getmac /v

Continuous Ping

Monitor network connectivity to a target host continuously until interrupted (Ctrl+C).

ping -t <hostname/IP>

Trace Route

Map the network path and latency to a destination, showing each hop your packets take.

tracert <hostname/IP>

Trace Route (No DNS)

Perform a traceroute without resolving IP addresses to hostnames for faster results.

tracert -d <hostname/IP>

Active Connections

View currently active network connections and listening ports on your system.

netstat

All Connections & PIDs

Display all active connections and listening ports, including their associated Process IDs (PIDs).

netstat -af

Interface Statistics

Show detailed network interface statistics, such as bytes and packets sent/received.

netstat -e

Print Routing Table

Display your system's IP routing table, crucial for understanding network traffic flow.

route print

WLAN Report

Generate a detailed wireless network report (wlan-report.html) for in-depth Wi-Fi troubleshooting.

netsh wlan show wlanreport

Show Interfaces

List all network interfaces and their administrative/operational status.

netsh interface ip show interface

Show IP Addresses

Display IP address configurations for all network interfaces.

netsh interface ip show address

Show DNS Servers

List the DNS servers configured for each network interface.

netsh interface ip show dnsservers

Disable Firewall

Temporarily disable the Windows Defender Firewall for all network profiles (use with caution!).

netsh advfirewall set allprofiles state off

Enable Firewall

Re-enable the Windows Defender Firewall for all network profiles.

netsh advfirewall set allprofiles state on

Energy Report

Generate a 60-second system energy efficiency report (energy-report.html) to identify power issues.

powercfg /energy

Battery Report

Create a detailed battery life usage report (battery-report.html) for laptops.

powercfg /batteryreport

System File Checker

Scan and repair corrupted Windows system files, ensuring OS integrity.

sfc /scannow

DISM Check Health

Quickly check the Windows Component Store for corruption without making repairs.

DISM /Online /Cleanup-Image /CheckHealth

DISM Scan Health

Perform a more thorough scan of the Component Store for any corruption issues.

DISM /Online /Cleanup-Image /ScanHealth

DISM Restore Health

Attempt to repair any corruption found in the Component Store.

DISM /Online /Cleanup-Image /RestoreHealth

Find Script Processes

List running processes and filter for those containing 'script' (e.g., wscript.exe).

tasklist | findstr script

Kill Process by PID

Forcefully terminate a running process using its Process ID (PID).

taskkill /f /pid <PID>

File Associations

Display current file extension associations with their default programs.

assoc

Re-associate File Type

Example: Change the default program for .mp4 files to VLC.

assoc .mp4=VLC.mp4

Restart to UEFI/BIOS

Forcefully restart the computer and boot directly into the UEFI firmware settings (BIOS).

shutdown /r /fw /f /t 0
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