Quantum Qhm7403d Wired Usb Multi Device Keyboard Black
30-Minute Dispatch
Nearest certified engineer dispatched in Noida & NCR
30-Day Service Warranty
100% free re-visit & parts replacement warranty
Zero Hidden Charges
Official bill with transparent upfront estimate
100% Data Confidentiality
Repair done right in front of you with zero data loss
Common Hardware & Software Issues We Fix Onsite
Most common computer, laptop, and printer complaints resolved within 30-45 minutes
No Display / Black Screen
Laptop turns on but screen stays black. RAM cleaning, GPU diagnosis, and LVDS cable inspection done on-site.
Slow Performance / SSD Upgrade
Upgrade older slow HDD to 10x faster NVMe/SATA SSD with seamless Windows/Mac OS cloning without losing any data.
Blue Screen (BSOD) & Boot Error
Automatic restart, system freezing, continuous reboot loop, and missing operating system errors diagnosed and repaired.
Liquid Spill & Chip-Level Repair
Water or tea spilt on keyboard/motherboard? Specialized ultrasonic cleaning and IC replacement to revive motherboards.
Battery, Jack & Charging Faults
Device not charging, loose DC power jack, swollen battery, or short-circuited charger repaired with 100% genuine parts.
Printer Jam & Cartridge Refill
Continuous paper jam, blank printing, ink absorber full error, Wi-Fi driver setup, and high-density cartridge refilling.
How It Works • 4-Step Doorstep Process
Transparent onsite diagnostics & repair delivered at your home or officeBook Online / WhatsApp
Choose service or chat on WhatsApp. Select your convenient visit time.
Rapid 30-Min Visit
Certified technician arrives at your location with tools & genuine parts.
Live Diagnosis
Testing & repair performed in front of you. 100% data safety guaranteed.
Pay After Testing
Verify your device is working fast. Pay with warranty invoice.
Service Overview & Technical Details
Specifications
| Model Name |
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| Model Number |
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| Type |
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| Designed For |
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| USB Version |
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Product Details
| Sales Package |
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| OS Supported |
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| Illuminated Keys |
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| Internet Keys |
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| Indian Rupee Symbol |
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| Palm Rest |
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| Touch Pad |
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| Stand Support |
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| Switch Type |
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Power Features
| USB Rechargeable |
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Dimensions
| Width |
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| Height |
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| Depth |
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| Weight |
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Warranty
| Warranty Summary |
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| Covered in Warranty |
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| Not Covered in Warranty |
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| Warranty Service Type |
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Manufacturing, Packaging and Import Info
- >> XOR Technologies LLP A-40 Mayapuri Industrial Phase-1 New Delhi-110064
- >> Quantum Hitech Merchandising Pvt. Ltd.
