9 common IT issues · Step-by-step fixes · Free guides

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Clear, original troubleshooting guides for the most frustrating tech problems — at home or at work — written for real people, not sysadmins.

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Network infrastructure trusted by IGNOU · The British School · Indian Army · Suzuki India See our enterprise work →
No internet Slow network Printer offline VPN drops App not connecting Auth errors Website blocked Slow file transfer Printer connectivity
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Troubleshoot

What's broken right now?

Choose the issue below to open its dedicated step-by-step guide. Every guide is original, tested, and works on Windows and macOS.

🌐

No Internet / Network Down

Your PC says "No Internet Access" or nothing loads despite being connected.

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🐢

Slow Internet or Network

Pages crawl, video calls buffer, and file downloads are painfully slow.

Speed it up →
🖨️

Printer Offline / Not Printing

Jobs stuck in the queue, printer shows "Offline," or nothing prints at all.

Fix it →
📡

Printer Connectivity Issue

Your printer keeps losing its network connection or can't be found on the network.

Fix it →
🔒

VPN Keeps Disconnecting

VPN drops every few minutes or refuses to connect on your current network.

Fix it →
🔌

App Not Connecting

A work app — Slack, Teams, Outlook — connects from home but fails at the office, or vice versa.

Fix it →
🚫

Website Blocked

A site you need for work returns "Access Denied," "ERR_BLOCKED_BY_ADMINISTRATOR," or just times out.

Fix it →
📁

Slow File Transfer

Copying files to a network drive or shared folder takes far longer than it should.

Fix it →
🔑

Authentication Errors

"Login failed," "Credentials invalid," or MFA codes that never work — on VPN, apps, or network shares.

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🔍 Quick Diagnostic

Pick the symptom that best matches your problem for an instant action checklist and a link to the full guide.

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    FAQ

    Frequently Asked Questions

    Quick answers to the questions we hear most often.

    This almost always points to a laptop-specific issue rather than your router or ISP. Common causes are a corrupted network driver, a misconfigured DNS or IP setting, or a local firewall blocking connections. See our No Internet guide for the full fix.
    Connect your laptop directly to the modem using an Ethernet cable, bypassing the router entirely. If the problem persists, it's the ISP or modem — call your ISP and ask them to run a line test. Also check your ISP's outage page or Downdetector.com.
    Your router assigns the printer a new IP address via DHCP after each restart. The permanent fix is to assign a DHCP reservation (static IP) to your printer in the router's admin panel. See our Printer Connectivity guide for step-by-step instructions.
    The tunnel is up but your DNS requests aren't being sent through it, so your PC can't resolve internal server names. Check your VPN client settings for a "split DNS" option, or manually enter your company's internal DNS server IP. See our VPN guide for details.
    Both are safe and faster than most ISP DNS servers for home use. However, on a corporate network your company's internal DNS servers handle name resolution for internal services like printers and file servers. Only change DNS settings on a work PC if your IT team advises it.
    Three common non-obvious causes: a system clock off by more than 5 minutes, stale cached credentials in Windows Credential Manager, or a TLS/SSL certificate mismatch. See our Authentication Errors guide for the full checklist.
    Switch to a wired Ethernet connection, set Speed & Duplex to 1.0 Gbps Full Duplex, disable SMB1 on the server, and check for antivirus or backup software scanning files in real time. See our Slow File Transfer guide for full steps.
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    Portfolio

    Enterprise Network Projects

    15+ years designing, implementing, and restructuring network infrastructure for educational institutions, schools, defence training programs, and enterprises across India.

    6+
    Major Projects
    3
    Sectors Served
    100+
    Endpoints Deployed
    End-to-End
    Design to Delivery
    🏛️

    Campus Network Implementation

    IGNOU Regional Centre, Saket
    Network Design Implementation Education

    Overview

    Designed and implemented a structured campus network for IGNOU's Saket Regional Centre, covering administrative blocks, examination cells, and student service areas. The project involved planning network topology, deploying switching infrastructure, and ensuring reliable connectivity across multiple departments operating on tight academic schedules.

    Outcomes

    • ✓Established a stable, segmented network connecting administrative and academic departments
    • ✓Reduced connectivity downtime during peak admission and examination periods
    • ✓Set up structured cabling and rack infrastructure for long-term maintainability
    🏫

    Network Restructuring & Implementation

    The British School, New Delhi
    Network Restructure VLAN Segmentation Education

    Overview

    Led a full restructuring of the school's existing network infrastructure to address performance bottlenecks and reliability issues across classrooms, administrative offices, and shared facilities. The engagement covered network segmentation, re-cabling of problem areas, and reconfiguration of core switching to support modern classroom technology including smart boards and Wi-Fi access points.

    Outcomes

    • ✓Reorganised the network into logical VLANs separating administrative, academic, and guest traffic
    • ✓Resolved recurring Wi-Fi dead zones across classroom blocks
    • ✓Improved network reliability for digital classroom tools and staff systems
    🌐

    CHI Network Deployment

    CHI
    Network Deployment Infrastructure

    Overview

    Planned and deployed network infrastructure for CHI, covering site assessment, equipment selection, and rollout of connectivity across the facility. The project focused on building a dependable foundation for day-to-day operations with minimal ongoing maintenance overhead.

    Outcomes

    • ✓Delivered a working network setup from initial site survey through to go-live
    • ✓Configured core networking equipment for stable day-to-day operation
    • ✓Documented the setup for straightforward future support and expansion
    🎖️

    Networking Training Program

    Indian Army
    Training Networking Fundamentals Defence

    Overview

    Delivered structured networking training sessions for Indian Army personnel, covering core networking concepts, hardware fundamentals, and practical troubleshooting skills. Training was designed to build practical, hands-on competence for personnel responsible for maintaining local network infrastructure.

    Outcomes

    • ✓Trained personnel on networking fundamentals, hardware handling, and basic troubleshooting
    • ✓Created simplified, practical training material suited to a non-IT audience
    • ✓Improved in-house capability to handle day-to-day network issues without external support
    💻

    Hardware Refresh Project

    IGNOU Regional Centre, Saket
    Hardware Refresh Procurement Education

    Overview

    Managed a hardware refresh initiative for IGNOU Saket, replacing aging desktops, networking equipment, and peripherals across departments. The project included assessing existing hardware, recommending replacements, and coordinating installation with minimal disruption to ongoing administrative work.

    Outcomes

    • ✓Audited existing hardware and identified equipment due for replacement
    • ✓Coordinated rollout of new desktops and network hardware across departments
    • ✓Reduced hardware-related downtime and support tickets post-refresh
    📐

    Network Design Consultancy

    Suzuki India & The British School
    Network Design Consultancy Enterprise

    Overview

    Provided network design consultancy for Suzuki India and The British School, producing infrastructure designs covering topology planning, equipment specification, and rollout strategy. Designs were tailored to each organisation's scale and operational requirements, balancing performance, cost, and future scalability.

    Outcomes

    • ✓Produced detailed network topology and equipment plans for both organisations
    • ✓Designed for scalability to accommodate future growth without major rework
    • ✓Provided clear documentation to guide implementation teams
    Open for new projects

    Have a Network Project in Mind?

    Whether it's a new campus rollout, a restructure of an existing setup, hardware refresh, or staff training — share a few details and we'll get back to you.