One of the easiest gaming monitor mistakes beginners make happens after the monitor is already sitting on the desk.

The monitor looks great.

The graphics card is installed.

Everything is connected.

But something feels wrong.

The refresh rate seems lower than expected.

Adaptive Sync is not working.

The monitor is not performing the way the reviews described.

Many beginners immediately assume the monitor or GPU is the problem.

In reality, the issue is often much simpler:

The wrong cable or connection type is being used.

For video games as a hobby, HDMI and DisplayPort both work well, but they are not always identical in every situation. The goal is not to memorize technical specifications. The goal is to make sure your monitor is connected in a way that supports the gaming experience you want.

If you’re still learning how gaming monitors fit into your overall setup, our Beginner’s Guide to Gaming Monitors can help you understand the fundamentals before optimizing monitor connections.

The Beginner Who Never Enabled Their Monitor

Imagine a beginner who buys a new 144Hz gaming monitor.

They connect it using the cable they already had available and start playing games.

Everything works.

The monitor turns on.

The games launch normally.

Weeks later, they discover the monitor has been running at only 60Hz the entire time.

Nothing was broken.

Nothing was defective.

The monitor simply was not configured correctly.

Now imagine a more methodical beginner.

After connecting the monitor, they verify the connection type, check the refresh rate settings, and confirm the monitor is operating as intended.

The result is simple:

They get the experience they paid for from the very beginning.

Verify Your Connection Step-by-Step

You do not need to become a display expert to connect a gaming monitor correctly.

Follow this simple sequence.

Step 1: Identify Your Available Ports

Look at the back of your monitor and graphics card.

Most gaming setups will use:

• HDMI
• DisplayPort

You will know this step is complete when you can clearly identify which ports are available on both devices.

Step 2: Check Your Monitor’s Target Refresh Rate

Before choosing a cable, check your monitor specifications.

Ask:

• Is it 60Hz?
• 144Hz?
• 165Hz?
• Higher?

This matters because some monitors achieve their highest refresh rates through specific connection types.

You will know this is working if you understand the monitor’s intended performance target.

Step 3: Connect the Monitor to the GPU

If you are using a gaming PC with a dedicated graphics card, connect the monitor directly to the GPU ports.

Avoid connecting the monitor to the motherboard unless your system specifically requires it.

You will know this is working if:

• The display appears normally
• The GPU is detected correctly during gaming
• Games use the graphics card as intended

Step 4: Verify Refresh Rate Settings

After connecting the monitor:

• Open your display settings
• Check the selected refresh rate
• Confirm it matches your monitor’s capability

You will know this is working if your monitor is running at its intended refresh rate.

Step 5: Test Gameplay

Launch a familiar game and observe:

• Smoothness
• Responsiveness
• Overall feel

If something seems wrong, recheck the cable type and refresh rate settings before assuming hardware failure.

A Simple Beginner Rule

For most gaming PCs:

• DisplayPort is often the preferred option for gaming monitors.
• HDMI is still excellent for many gaming setups and devices.

The important part is not choosing sides.

The important part is confirming your connection supports the performance goals of your monitor.

Verify Your Monitor Connection Right Now

HDMI and DisplayPort are like different roads leading to the same destination. The best route is the one that allows your monitor to reach its intended performance without unnecessary limitations.

Take five minutes and check these three things right now:

1. Which cable is currently connected?
2. Is the monitor connected to the GPU?
3. Is the monitor running at its advertised refresh rate?

If all three checks look correct, your monitor is likely performing exactly as intended.

Small connection checks often create some of the fastest and easiest gaming setup improvements a beginner can make.

After optimizing your monitor connection, explore more practical monitor and gaming strategies in our Setup Zone category page.