Structured Networking & WiFi

Internet Speed Slow on One Device? Complete Fix Guide | Rajbala IT

Ghar ke sabhi mobile aur Smart TV par Wi-Fi 100 Mbps speed de raha hai, lekin aapke specific work laptop par achanak internet rukh-rukh kar chal raha hai? Janein device-specific network bottlenecks ko fix karne ka step-by-step process.

Internet Speed Slow on One Device? Complete Fix Guide | Rajbala IT
Guide Index (Table of Contents)

Ye ek bohot common aur irritating scenario hai: Aapke family members ya office colleagues aaraam se 4K video stream kar rahe hain aur unke phone par Speedtest 100 Mbps show kar raha hai, lekin theek usi waqt aapke specific laptop par Google ka homepage khulne me bhi 10 second ka delay aa raha hai.

Jab internet baaki sabhi devices par fast chal raha ho aur sirf ek single device par slow ho, to 100% confirmation hai ki problem aapke ISP (Airtel, Jio, BSNL) ya router me nahi hai — fault aapke computer ke internal network settings, Wi-Fi card driver, DNS cache ya hidden background downloads me hai.

Is step-by-step guide me hum un sabhi device-specific issues ko diagnose aur fix karne ka practical roadmap share kar rahe hain.

1. Step 1: Check Background Bandwidth Consumers (Task Manager)

Aksar laptop slow isliye lagta hai kyunki background me koi silent process poori download bandwidth consume kar rahi hoti hai:

1. Press Ctrl + Shift + Esc (Task Manager open karein).

  1. 'Processes' tab me 'Network' column header par click karein taaki highest network usage top par sort ho jaye.

3. Check karein:

  • Kya 'Windows Update Delivery Optimization' 40–80 Mbps consume kar rahi hai?
  • Kya Steam, Epic Games, OneDrive ya Google Drive large files background me sync kar rahe hain?
  1. Unwanted process par right-click karke 'End task' karein ya Settings me jakar bandwidth limit set karein.

2. Step 2: Flush Corrupted DNS Cache

Windows local cache me websites ke IP addresses store karti hai. Agar cache corrupt ho jaye to connection established hone se pehle bar-bar timeout aane lagta hai.

Flush Command:

1. Start menu me 'cmd' type karein, right-click karke 'Run as administrator' karein.

2. Ye commands sequence me run karein:

ipconfig /flushdns ipconfig /release ipconfig /renew netsh winsock reset

3. Computer restart karein. Ye network stack ko completely refresh kar deta hai.

3. Step 3: Wi-Fi Card Driver Clean Re-Installation

Windows updates ke sath kai baar generic Wi-Fi drivers install ho jate hain jo Wi-Fi chip ke power saving state me glitch create karte hain.

Fix:

1. Device Manager kholein → Network adapters expand karein.

  1. Apne Wi-Fi card (Intel Wi-Fi 6, Realtek ya Qualcomm) par right-click karke 'Uninstall device' karein.

3. Computer restart karein: Windows automatically official OEM driver reinstall kar legi.

4. Step 4: VPN & Third-Party Proxy Interference

Agar aapne koi free VPN extension ya antivirus proxy install ki hui hai, to wo saara web traffic remote server ke through tunnel karti hai, jisse ping latency 20ms se badh kar 400ms ho jati hai. Settings → Network & internet → Proxy me jayein aur 'Automatically detect settings' ko ON rakhein aur manual proxy ko OFF karein.

Rajbala IT — End-to-End Network Diagnostics

Rajbala IT certified technicians laptops aur desktops me Wi-Fi card replacement, gigabit LAN port diagnostics aur complete network configuration support provide karte hain.

Agar aapke kisi device me internet issue persist kar raha hai, to aaj hi hamari technical team se consultation book karein.

Share Guide:

Related Maintenance Guides

View All Guides →
DIAGNOSTIC VISITS AVAILABLE

Still Facing Hardware or Software Issues?

Don't let intermittent hardware faults damage your components. Book an expert on-site engineer visit with same-day dispatch.

Book Service Now WhatsApp Support Call Tech Hotline: 9259197776