GPU Knowledge Hub – Guides, Tips & Repairs
A curated collection of articles, guides and real repair case studies from GPU Solutions. Whether you’re a PC owner looking for practical tips, or a technician interested in advanced board-level work, you’ll find everything on this page.
GPU Owner Guides
Practical guides for everyday users: how to install, maintain and protect your graphics card, avoid common problems, and choose the right components around your GPU.
Graphics Card Maintenance
Dust, heat and dried-out thermal paste slowly kill performance. This guide walks you through simple, safe GPU maintenance steps to keep temperatures low, fans quiet, and your graphics card running reliably for years.
Read ArticleCommon Graphics Card Problems
Artifacts, crashes, no display, driver errors—this article breaks down the most common graphics card problems, how to spot early warning signs, and when it’s time to send your GPU in for professional repair.
Read ArticleGPU Smoked at Startup? What to Do Immediately
Saw smoke, a flash, or smelled burning from your graphics card when starting the PC? Learn the safe first steps: shut down, avoid retesting, document the fault, and decide whether warranty or repair is the right route.
Read ArticleUsed GPU Buying Guide: What to Check First
Buying a second-hand graphics card? Learn how to inspect condition, avoid risky listings, test stability, and spot repair red flags like overheating, artifacting, connector damage, corrosion, and failed previous repairs.
Read ArticleUpgrading Your Graphics Card
Thinking about a GPU upgrade? Learn what to check first—power supply, case, CPU bottlenecks, and your actual use-case—so you don’t waste money on the wrong card or create new system problems.
Read ArticleCan Any GPU Be Upgraded?
Not every graphics card can have its VRAM upgraded. In this guide I explain which GPUs are suitable for memory upgrades, what limitations exist, and how to know if your card is a real candidate for a VRAM mod.
Read ArticleChoosing the Right Power Supply
Your power supply can make or break a gaming PC. Learn how many watts you actually need, what 80+ ratings mean, and how to choose a reliable PSU for modern high-power GPUs.
Read ArticleGraphics Card Support Bracket
Heavy GPUs can sag over time, stressing the PCIe slot and PCB. Learn when you really need a support bracket, what types work best, and how to install one properly.
Read ArticleInstallation & Transportation of Graphics Cards
Many GPUs die because they’re installed or shipped incorrectly. This guide covers how to safely install a graphics card, how to pack it for shipping, and how to avoid PCIe slot and PCB damage.
Read ArticleChoosing the Right Thermal Pads
Wrong thermal pad thickness or quality can overheat your memory and VRM. Learn how to choose the correct thickness, material and brand so your GPU stays cool and stable after a pad replacement.
Read ArticleRTX 4080/4090 PCIe Cracks – Causes, Prevention & Repair
Some RTX 4080 and 4090 cards develop cracked PCIe fingers and PCB damage from heavy coolers and poor support. Discover why it happens, how to prevent it, and how these high-end GPUs can be repaired.
Read ArticleGPU Repair – What’s Possible?
Not every dead graphics card has to be thrown away. Learn what can realistically be repaired, how professional GPU repair works, and what you can expect when you book a repair with GPU Solutions.
Read ArticleRepair Case Studies
Real-world examples from the bench. These articles walk through actual faults, measurements, and repairs performed at GPU Solutions, so you can understand what went wrong and how it was fixed.
RTX 3060 Ti Hynix Memory Issue
Some RTX 3060 Ti cards with Hynix memory develop black screens, crashes or memory errors. See the symptoms, root cause and the diagnostic process I use to repair these failures in the lab.
Read ArticleXFX RX 6800 XT Not Detected
This case study covers an XFX RX 6800 XT that wasn’t detected by the system at all. Follow the step-by-step diagnostic process, board-level checks and the final repair that brought it back to life.
Read ArticleZOTAC RTX 3060 & 3060 Ti Issues
A look at common faults on ZOTAC RTX 3060 and 3060 Ti cards—from no display to power issues—with the exact measurements, troubleshooting steps and repairs used to restore them.
Read ArticleRTX 2080 Ti 11GB to 22GB Memory Upgrade
A full breakdown of upgrading an RTX 2080 Ti from 11GB to 22GB—planning the mod, sourcing the memory chips, performing the rework, and testing the card under real gaming loads.
Read ArticleRTX 3070 16GB VRAM Upgrade
In this case study I upgrade an RTX 3070 from 8GB to 16GB of VRAM. You’ll see how I select compatible memory chips, handle the rework, adjust BIOS, and stress test the card for stable gaming and creator workloads.
Read ArticleRTX 3080 LHR to Non-LHR Core Swap & BIOS Flash
Here I convert an RTX 3080 LHR into a non-LHR card by swapping the GPU core from a donor board and flashing a matching BIOS. The article covers diagnostics, reballing, BIOS steps and final stability testing.
Read ArticleAdvanced Pro Techniques
Articles written for technicians and advanced users who want to go deeper into board-level work: reballing, pad repair and complex memory or core-related jobs.
How to Build a GPU Repair Power Supply Control Unit
A custom control unit that sits between your bench PSU and the GPU under test, delivering safe, metered power across multiple rails — variable 0.6V–30V, 1.8V, 3.3V and 12.5V. Includes free circuit diagram and 3D print files.
Read ArticleMastering GDDR6 Memory Chip Reballing
A step-by-step guide to GDDR6 memory reballing—covering tools, temperatures, alignment, troubleshooting and safety tips learned from real-world GPU repair work.
Read ArticleGPU Core Reballing
Core reballing is one of the most advanced GPU repairs you can attempt. Learn when it’s needed, the risks involved, and the exact process I follow to reball and reflow modern GPU cores.
Read ArticleBroken GPU Memory Pad Repair
Lifted or missing memory pads don’t have to be the end of a graphics card. See how broken pads are rebuilt, traces are reconstructed, and how the repaired memory channel is verified for full stability.
Read ArticleHow I Test GPU Memory – NVIDIA VRAM Test USB
A detailed walkthrough of how I use my NVIDIA VRAM Test USB to find faulty memory channels and chips. I explain the test patterns, how to read the results, and how this fits into a complete GPU diagnosis workflow.
Read ArticleNews & Industry Updates
Short articles on important changes in GPU design and standards that affect how you build, power and protect your system.
NVIDIA Graphics Cards with 16-Pin Power Connector
NVIDIA’s move to the 16-pin power connector changes how you choose power supplies and cables. This article explains what it is, why it matters, and how to stay safe and compatible.
Read ArticleRTX 5090 Power Connector Safety
The RTX 4090 used the older H+ / 12VHPWR connector, while newer high-power GPUs like the RTX 5090 use the upgraded H++ / 12VHPWR design. Learn what changed, why connector seating still matters, and how GPU Solutions handles RTX 4090 connector replacements.
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