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Gaming PC Won't Boot? Troubleshooting GuideExpert Guide by Xigox Technicians

Custom gaming PC not booting or no display? Work through this component-by-component guide to find the fault.

Jul 01, 2026 1 min read 172 words 0 views
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Xigox Tech Team

Verified Technician

A gaming PC that will not boot usually has a single failed or loose component. Work through it methodically.

Step by Step
  • Power — confirm the PSU switch is on and the 24-pin and CPU power cables are firmly seated.
  • RAM — reseat sticks; test one at a time in the recommended slot. Loose/faulty RAM is the #1 no-boot cause.
  • GPU — reseat the graphics card and its power connectors; plug the monitor into the card.
  • Beep/LED codes — check the motherboard's debug LEDs or beep codes to identify the failing part.
  • Clear CMOS if it hangs after a BIOS change or overclock.
Still Dead?

If reseating everything does not help, a technician can bench-test each component (PSU, board, CPU, GPU, RAM) to isolate the fault quickly.

Need a Professional Fix?

If the problem is hardware-level, Xigox offers a free diagnostic and a fixed quote before any work — genuine parts, 90-day warranty and free doorstep pickup across Mumbai, Thane & Palghar.

  • 📞 Call: +91 74997 61196 (9 AM – 9 PM, all 7 days)
  • 💬 WhatsApp: Send your device model + issue for an instant estimate

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Tags: troubleshooting how-to repair guide
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Written by Xigox Tech Team

Certified Repair Technician at Xigox

Our team of certified technicians shares practical, tested advice for laptop, mobile & computer repair and maintenance. Every article is reviewed for accuracy.

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Frequently Asked Questions

6 questions answered Verified & updated
Yes — every repair at Xigox carries a 90-day warranty on the repaired component and all parts used. If the same problem returns within 90 days, we rectify it at no additional cost. Warranty is valid across Mumbai MMR.
Absolutely. Xigox provides completely free doorstep device pickup and delivery across Mumbai, Thane, Vasai-Virar, and Palghar. A technician comes to you, collects your device, repairs it, and delivers it back — no travel required.
Xigox serves 50+ locations across Mumbai MMR including Andheri, Bandra, Borivali, Kandivali, Thane, Kalyan, Dombivli, Vasai, Virar, Nalasopara, Mira Road, and more. Check our Locations page for the full list.
Xigox accepts all major payment options: UPI (Google Pay, PhonePe, Paytm), debit/credit cards, net banking, and cash. Payment is collected only after the repair is complete and you are satisfied — we never charge upfront without your agreement.
Our technicians are certified professionals with 3–15 years of hands-on experience in laptop, mobile, and computer repair. They undergo regular training on new device models and repair techniques, ensuring consistent, high-quality results for every customer.
Yes! Xigox repairs devices from all major brands — Apple, Samsung, Dell, HP, Lenovo, Asus, Acer, OnePlus, Xiaomi, Realme, Vivo, Oppo, Toshiba, Sony, and 30+ more. No brand or model is too complex for our experienced team.

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