VJ
Vishal Jethwani
✓ Verified Hardware SpecialistFounder & Principal Diagnostic Engineer • Gujarat, India
Vishal Jethwani specializes in personal computer hardware diagnostics, display panel analysis, and web-based hardware benchmarking. He built LaptopXray to give consumers, second-hand laptop buyers, and repair technicians free, 100% private in-browser tools to audit machines without risking malware downloads.
Technical Expertise & Research Focus
Display Subpixel & High-Hz Refresh Rate Testing
Mechanical Switch Debounce & Key Chattering
Microphone Waveform Analysis & Noise Floor Measurement
Laptop Battery Degradation & Power Management Cycles
Browser WebGL & Web Worker Thermal Stress Benchmarks
Used & Refurbished Laptop Buyer Verification
Verified Hardware Lab Machines
Dell Inspiron 15Intel Core i5-1235U, 16GB RAM, Windows 11 Pro
Main Windows baseline test machineApple MacBook Air M28-core CPU, 8-core GPU, 16GB Unified Memory, macOS
Retina display & macOS Web Audio test bedLenovo ThinkPad E14AMD Ryzen 5 5625U, Ubuntu Linux 24.04 LTS
Linux driver & TrackPoint pointer testingCustom Gaming Test BenchAMD Ryzen 7 7800X3D, Nvidia RTX 4070, 240Hz OLED
High-Hz UFO ghosting & 8000Hz mouse polling testsFeatured Diagnostic Guides by Vishal Jethwani
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