How to Guide                                                    

Have you bought a Mac Mini or MacBook but don't want to use the thin membrane keyboard or pay for the expensive official keyboards? 

Found a mechanical keyboard you love but noticed it doesn’t come with a dedicated Mac layout? No worries! As long as it’s a keyboard, it can generally be used with a Mac — you just need a few settings adjustments to make everything run smoothly.

How to Set Up Windows Layout Function Keys on a Mac

 | Open the Settings menu, select "Keyboard," and then click "Keyboard Shortcuts."

 | Scroll down to find "Modifier Keys" and choose the name of the keyboard you want to modify.

 | Click "Done" and test if everything works correctly.

When connecting an external keyboard to a Mac for the first time, the Command and Option keys may behave differently, so you’ll need to remap them.

The DF98 mechanical keyboards also support key customization, allowing seamless switching between Windows and Mac systems, truly delivering a one-key dual-system experience!





Have you bought a Mac Mini or MacBook but don't want to use the thin membrane keyboard or pay for the expensive official keyboards? 



Found a mechanical keyboard you love but noticed it doesn’t come with a dedicated Mac layout? No worries! As long as it’s a keyboard, it can generally be used with a Mac — you just need a few settings adjustments to make everything run smoothly.



How to Set Up Windows Layout Function Keys on a Mac

Step 1 | Open the Settings menu, select "Keyboard," and then click "Keyboard Shortcuts."







Step 2 | Scroll down to find "Modifier Keys" and choose the name of the keyboard you want to modify.







Step 3 | Change the key assignments:





Change the Option key to act as the Command key.



Change the Command key to act as the Option key.







Step 4 | Click "Done" and test if everything works correctly.


When connecting an external keyboard to a Mac for the first time, the Command and Option keys may behave differently, so you’ll need to remap them.







Recommended Mechanical Keyboard: DF98

The DF98 mechanical keyboards also support key customization, allowing seamless switching between Windows and Mac systems, truly delivering a one-key dual-system experience!





Here's how to switch to Mac key layout and quickly toggle between dual systems!

A Must-Read for Mac Users: How to Remap a Regular Keyboard to Mac Layout

When manufacturers produce keyboards, the mainstream keycap production methods currently include laser engraving, dye-sublimation, and double-shot molding. So, what are the differences between them?

 Uses a laser to etch onto the surface of pre-made keycaps.

 Budget keyboards, office membrane keyboards

 Uses high heat to vaporize dye, which then penetrates the PBT keycap material.

 Mid-range keyboards, PBT keycap keyboards

 Commonly known as molded keycaps, where two types of plastic are injected together to form a single piece. The legend is a separate colored plastic, not printed or engraved.

 High-end keyboards, backlit gaming keyboards

Affordable Double-Shot Keyboards – GD Series Mechanical Keyboards

 mechanical keyboards from darkFlash offer top-tier PBT material and premium double-shot molded keycaps. Who says a budget-friendly keyboard can’t also be durable? On top of that, the GD Series features both 2.4G wireless and wired connections. One keyboard is all you need for both work and play.





When manufacturers produce keyboards, the mainstream keycap production methods currently include laser engraving, dye-sublimation, and double-shot molding. So, what are the differences between them?



Production Method｜Laser Engraving

Process: Uses a laser to etch onto the surface of pre-made keycaps.

Pros of Laser Engraving:





Lower price point and shorter production time



Low technical barrier; users can pay extra to have laser engraving added after purchase

Cons of Laser Engraving:





Legends may fade after extended use



Engraved areas can feel rough to the touch



Light-colored symbols make it harder to use in low-light conditions

Typical Usage: Budget keyboards, office membrane keyboards







Production Method｜Dye-Sublimation

Process: Uses high heat to vaporize dye, which then penetrates the PBT keycap material.

Pros of Dye-Sublimation





Finer and more delicate font appearance



Mainly used with PBT keycaps, which retain their durability, resistance to wear, and oil resistance

Cons of Dye-Sublimation





Cannot be used for transparent keycaps



Less effective on dark-colored keycaps

Typical Usage: Mid-range keyboards, PBT keycap keyboards







Production Method｜Double-Shot Molding

Process: Commonly known as molded keycaps, where two types of plastic are injected together to form a single piece. The legend is a separate colored plastic, not printed or engraved.

Pros of Double-Shot Molding





Legends don’t wear off over time



Best color and backlight compatibility



Premium production method that results in precise and durable keycaps

Cons of Double-Shot Molding





Requires custom molds, which increases development cost



Higher product price

Typical Usage: High-end keyboards, backlit gaming keyboards







Affordable Double-Shot Keyboards – GD Series Mechanical Keyboards



The GD Series mechanical keyboards from darkFlash offer top-tier PBT material and premium double-shot molded keycaps. Who says a budget-friendly keyboard can’t also be durable? On top of that, the GD Series features both 2.4G wireless and wired connections. One keyboard is all you need for both work and play.





Keycap manufacturing processes are generally divided into three types: laser engraving, dye sublimation, and double-shot molding.

Keycap Craftsmanship Revealed: Laser Engraving, Dye Sublimation, and Double-Shot Molding

Reviews                                                         

The 2.4G wireless receiver is one of the smallest and most easily misplaced components of your keyboard setup. If you’ve received a new GD series keyboard receiver and need to pair it with your keyboard, follow the simple steps below.

First, switch the keyboard’s power button to the ON position.

To enter pairing mode, press and hold both the "ESC" and "=" keys simultaneously until the low battery indicator light turns on.

Insert the new receiver into an available USB port on your computer.

Once the low battery indicator light turns off, this means the keyboard has successfully paired with the receiver and exited pairing mode.

Test the 2.4G wireless mode to confirm that the receiver has been successfully paired and is working correctly.

By following these steps, you should be able to quickly and easily pair your GD series keyboard with the 2.4G wireless receiver. Enjoy your wireless typing experience!





The 2.4G wireless receiver is one of the smallest and most easily misplaced components of your keyboard setup. If you’ve received a new GD series keyboard receiver and need to pair it with your keyboard, follow the simple steps below.



Required Items:





Your keyboard



Unpaired 2.4G wireless receiver







Step 1 | Turn on the Keyboard

First, switch the keyboard’s power button to the ON position.







Step 2 | Enter Pairing Mode

To enter pairing mode, press and hold both the "ESC" and "=" keys simultaneously until the low battery indicator light turns on.



Step 3 | Pair with the Receiver

Insert the new receiver into an available USB port on your computer.



Once the low battery indicator light turns off, this means the keyboard has successfully paired with the receiver and exited pairing mode.







Step 4 | Test the Connection

Test the 2.4G wireless mode to confirm that the receiver has been successfully paired and is working correctly.







Important Notes:





Make sure the keyboard has enough battery before attempting pairing to avoid any issues.



Once you enter pairing mode, the keyboard will remain in pairing mode for 20 seconds. If the low battery indicator light turns off but pairing is not complete, simply re-enter pairing mode.



Do not insert the receiver into the computer USB port before entering pairing mode as it may interfere with the pairing process.

By following these steps, you should be able to quickly and easily pair your GD series keyboard with the 2.4G wireless receiver. Enjoy your wireless typing experience!

If you've recently purchased a new 2.4G wireless receiver for your GD series keyboard and need help pairing it, this guide will walk you through the steps.

How to Pair the GD Series Dual-Mode Keyboard with the 2.4G Wireless Receiver

The two major GPU manufacturers both released their next-generation graphics cards in 2025, along with their latest AI-based image upscaling technologies — 

 are advanced AI-based image upscaling technologies designed to boost gaming performance while preserving visual quality.

These technologies allow games to be rendered at a lower resolution internally and then upscaled to higher resolutions using artificial intelligence. The result is higher frame rates and smoother gameplay — without significantly sacrificing image clarity.

FSR 4 is AMD’s first version to adopt machine learning techniques, likely using convolutional neural networks (CNNs) to enhance image quality.

It upscales lower-resolution frames to higher resolutions and can generate intermediate frames to increase frame rate.

FSR 4 AI-Enhanced Upscaling plus Frame Generation

FSR 4 not only upscales low-resolution images to high resolution but also inserts intermediate frames to boost frame rates.

Offers multiple quality presets — Performance, Balanced, and Quality — to give users control over performance vs. image clarity.

, with AMD aiming to reach over 75 supported titles by the end of 2025.

DLSS 4 uses NVIDIA’s advanced deep learning model, powered by Tensor Cores, which are dedicated AI processing units on RTX 50 series GPUs.

One of DLSS 4’s biggest strengths is its ability to generate entirely new frames, dramatically increasing FPS without overloading the GPU.

DLSS 4 works with NVIDIA Reflex to reduce latency, keeping gameplay responsive even at high frame rates.

, making it more broadly available than FSR 4.

As FSR continues to evolve and potentially adds multi-frame generation in future updates, the gap between AMD and NVIDIA is narrowing — making this an exciting time for PC gamers and developers alike.





The two major GPU manufacturers both released their next-generation graphics cards in 2025, along with their latest AI-based image upscaling technologies — FSR 4 and DLSS 4.



FSR 4 (FidelityFX Super Resolution 4) by AMD and DLSS 4 (Deep Learning Super Sampling 4) by NVIDIA are advanced AI-based image upscaling technologies designed to boost gaming performance while preserving visual quality.







These technologies allow games to be rendered at a lower resolution internally and then upscaled to higher resolutions using artificial intelligence. The result is higher frame rates and smoother gameplay — without significantly sacrificing image clarity.



FSR 4 – AMD’s Approach







Machine Learning Upgrade

FSR 4 is AMD’s first version to adopt machine learning techniques, likely using convolutional neural networks (CNNs) to enhance image quality.







Upscaling + Frame Interpolation

It upscales lower-resolution frames to higher resolutions and can generate intermediate frames to increase frame rate.



FSR 4 AI-Enhanced Upscaling plus Frame Generation

FSR 4 not only upscales low-resolution images to high resolution but also inserts intermediate frames to boost frame rates.







Modes

Offers multiple quality presets — Performance, Balanced, and Quality — to give users control over performance vs. image clarity.







Hardware Support

Currently limited to AMD’s Radeon RX 9000 series.



Game Support

Works only with games that support FSR 3.1, with AMD aiming to reach over 75 supported titles by the end of 2025.







DLSS 4 – NVIDIA’s Latest Evolution







Deep Learning Core

DLSS 4 uses NVIDIA’s advanced deep learning model, powered by Tensor Cores, which are dedicated AI processing units on RTX 50 series GPUs.



Multi-Frame Generation

One of DLSS 4’s biggest strengths is its ability to generate entirely new frames, dramatically increasing FPS without overloading the GPU.







Reflex Integration

DLSS 4 works with NVIDIA Reflex to reduce latency, keeping gameplay responsive even at high frame rates.







Wider Adoption

Already supported by over 100 games, making it more broadly available than FSR 4.



Key Differences at a Glance

As FSR continues to evolve and potentially adds multi-frame generation in future updates, the gap between AMD and NVIDIA is narrowing — making this an exciting time for PC gamers and developers alike.





AI-based image upscaling technologies developed by AMD and NVIDIA to improve gaming performance while maintaining image quality close to native resolution.

FSR 4 vs. DLSS 4 - AI-based Image Upscaling Technology

As an enthusiast of games and computer DIY in this age, we, darkFlash, feel proud and grateful for keep thinking how to develop impressive and extraordinary products with high-end facilities by assembling and using the PC cases, CPU coolers, case fans, and even gaming chairs and tables in person.

Our goal is to create products that could extremely exert its effect by every user.