GPU Workbench Lab
Real GPU repair cases based on daily hands-on work — diagnosing faults, attempting repairs, and sharing practical insights.
Quick Fixes & Shorts
GPU Troubleshooting Guide: Step-by-Step Diagnosis Process for Graphics Cards
Bringing a Dead RTX 3060 Back to Life: A Real GPU Repair Story
A hands-on RTX 3060 repair experience diagnosing a completely dead graphics card and restoring it through careful troubleshooting. A practical look into real GPU repair work.
Fixing a Blurry GPU Display: VRAM Reballing & Replacement Explained
A real-world GPU repair story diagnosing a blur display issue caused by faulty VRAM. Learn how reballing and ultimately replacing a memory chip restored the graphics card.
One RTX 3070 Repair Job That Almost Made Me Question Everything
Learn how a dead RTX 3070 GPU was diagnosed and repaired by fixing a short circuit in the power rail. A detailed, real-life GPU repair experience with practical insights.
RTX 20 Series GPU Resistance Values – Complete Diagnosis Guide
Learn RTX 20 series GPU resistance values and how to diagnose faults using VCore, VMem, PEX, and power rails. Complete repair guide for technicians.
RX 6600 XT Missing Phase Issue – IR35217 Controller Diagnosis (Real Repair Case)
Real-world diagnosis of RX 6600 XT missing VRM phase issue, tracing fault to IR35217 PWM controller and explaining practical repair approach.
GTX 1660 Super Resistance Values – Complete GPU Diagnosis Guide
Complete GTX 1660 Super resistance values guide with real diagnostic methods to identify shorts, VRM faults, and GPU repair issues.
Zotac GTX 1060 Mini: Missing Voltage Rails & Missing Components Repair
A practical repair log for a Zotac GTX 1060 Mini with missing voltage rails due to knocked-off PCB components.
RTX 3060 Ti No Display Complete Repair Guide
A complete, real-world technician's guide to diagnosing and fixing the common 'no display' problem on RTX 3060 Ti graphics cards.
MOSFET Failure Symptoms in GPUs – Practical Diagnosis & Repair Guide
Detailed guide to identifying MOSFET failure symptoms in GPUs, including no power, short circuits, missing VCore, and overheating issues, with practical diagnostic steps.
Fix No Display, VRAM & POST, VRAM Reballing Issues GPU Issue
Step-by-step guide to diagnose and repair no display, VRAM faults, and intermittent POST issues using practical board-level techniques.
GIGABYTE GTX 960 OC 4GB – Step-by-Step GPU Repair Guide
This repair case focuses on diagnosing and fixing a GIGABYTE GTX 960 OC 4GB graphics card with two primary failure types: VRAM instability and intermittent POST issues.
GPU Artifact Repair: Colored Lines, Blocks, and Flicker
How to separate cable/driver noise from actual VRAM or power-path faults and what repair validation should include.
GPU Thermal Paste Replacement: Correct Method and Mistakes to Avoid
A detailed guide to replacing GPU thermal paste correctly with pressure, pad, and testing best practices.
GPU Artifact Examples: What Different Visual Glitches Actually Mean
A practical pattern-based guide to interpreting GPU artifact symptoms and choosing the right next diagnostic step.