Before You Install Kubuntu: Important Things You Should Know

Before we get into the actual install process, I want to walk you through a few important things that will make your experience smoother, safer, and far less stressful — especially if you’re new to Linux or thinking about dual‑booting with Windows.

This isn’t meant to scare you. It’s meant to prepare you.

Installing an operating system is a big step, and a little understanding goes a long way.

1. Before You Do Anything: Back Up Your Data

This is the most important step, and it applies to everyone.

Even if everything goes perfectly (and it usually does), it’s still smart to back up:

• your documents
• your photos
• your videos
• your downloads
• your browser bookmarks
• your desktop files (many people forget this)
• anything you’d be upset to lose

You don’t need anything fancy — just copy your important stuff to:

• an external drive
• a USB stick
• cloud storage
• or another internal drive

This isn’t about expecting disaster. It’s just good practice whenever you’re installing an operating system.

2. My PC Specs (For Reference)

Your experience may be slightly different from mine depending on your hardware, so here’s what I’m using.

PC Hardware

• CPU: AMD Ryzen 9 3900X
• RAM: 32GB
• GPU: AMD Radeon RX 6900 XT
• Motherboard: ASUS ROG STRIX X570‑E Gaming
• Storage:
  • Samsung 970 EVO Plus 2TB (NVMe)
  • WD Black SN850X 2TB (NVMe)
  • Crucial BX500 2TB (SSD)
  • Crucial MX500 500GB (SSD)
• Wi‑Fi / Bluetooth: MediaTek MT7922 (Wi‑Fi 6) + BT 5.2
• Wired Network: Realtek 2.5GbE + Intel Gigabit
• Case: Corsair 5000X RGB
  • Note: Corsair’s RGB system uses proprietary controllers. Linux doesn’t support iCUE, and OpenRGB compatibility varies.

Peripherals (Important for Real‑World Testing)

These are the devices I actually use day‑to‑day, and they’re relevant because they show how Kubuntu handles common USB and RGB hardware.

Fosi K7 USB DAC Works perfectly out of the box. Linux handles USB audio extremely well — no drivers needed.

Corsair K95 RGB Platinum Keyboard Typing, media keys, and the volume wheel all work fine. RGB lighting is static unless you use OpenRGB, and support varies. Corsair iCUE does not exist on Linux.

Logitech MX Ergo Trackball Works instantly. Linux has excellent support for Logitech devices, especially with Solaar for pairing, battery info, and settings.

Linux is generally excellent with modern hardware, but not all components behave the same. Some people may run into issues I didn’t see — and that’s completely normal.

3. A Quick Note About My Use Case

Just so you have the right expectations:

I don’t use my PC for work, business, or anything mission‑critical. I’m a home user — I browse, game, edit videos, write, organise files, and tinker. I don’t rely on Windows‑only business software, corporate VPNs, Adobe tools, or anything that would force me to stay on Windows.

That’s important to mention because if your job depends on specific Windows applications or company systems, your experience may be different. For home users like me, switching to Linux is usually much easier — and far less risky.

4. How My Storage Setup Affects the Install

I keep all my personal data — documents, photos, videos, everything — on separate SSDs, away from the drive that holds my operating system.

This means:

• installing Linux was low‑risk for me
• I wasn’t touching any of my actual files
• I didn’t need to resize partitions
• I didn’t need to worry about overwriting anything important

If you only have one drive, your experience will be different. Not worse — just different, and with a few more decisions to make.

5. If You Only Have One Drive (This Is Important)

Most Windows users have:

• one drive
• one big NTFS partition
• Windows + all their files on it

If that’s you, installing Linux means:

• resizing your Windows partition
• creating space for Linux
• dealing with NTFS
• and possibly dual‑booting

This is all doable — but it’s where most beginners get confused.

So take your time here.

6. Creating Your Bootable USB (Using Ventoy)

Before you can try or install Kubuntu, you’ll need a bootable USB stick. Ventoy is the easiest and most beginner‑friendly option.

Ventoy works differently from traditional USB tools:

• You install Ventoy onto a USB stick once
• After that, you just copy ISO files onto it like normal files
• No “burning”
• No reformatting every time
• No waiting for long write processes
• You can keep multiple ISOs on the same stick
• It works on both Windows and Linux

How to Set Up Ventoy

1. Download Ventoy from the official website.
2. Plug in your USB stick.
3. Open Ventoy and click Install. (This wipes the USB stick.)
4. Download the Kubuntu ISO.
5. Copy the ISO onto the Ventoy USB like a normal file.
6. Reboot and press F12 / F8 / ESC / DEL to open your boot menu.
7. Select the USB stick and choose Kubuntu from the Ventoy menu.

If Ventoy doesn’t boot (rare):

• try a different USB port
• turn off BIOS Fast Boot
• temporarily disable Secure Boot
• or use balenaEtcher as a fallback

7. “Try Kubuntu” vs “Install Kubuntu”

When you boot from the USB stick, you’ll see two options:

Try Kubuntu

• runs entirely from the USB
• doesn’t touch your hard drive
• slower, but safe
• perfect for testing your hardware

Install Kubuntu

• writes to your drive
• changes partitions
• installs the OS permanently

If you’re unsure, always choose Try Kubuntu first.

8. Why “Run From USB” Is Essential

Running Kubuntu from USB lets you:

• test all your hardware
• see if you like the desktop
• avoid surprises
• build confidence

If something doesn’t work in the USB session, it won’t magically work after installing.

9. If Something Doesn’t Work in the USB Session

This is important:

If something major doesn’t work in the USB session, it probably won’t work after installing either.

The USB session uses the same:

• kernel
• drivers
• hardware detection
• graphics stack
• audio system

What to Test

• Wi‑Fi
• Bluetooth
• sound
• microphone
• graphics
• multi‑monitor
• sleep/wake
• keyboard & mouse
• webcam
• storage access

Major issues = stop and research

Examples:

• no Wi‑Fi
• no sound
• black screen
• GPU not detected
• system freezing

Minor issues = usually fixable

Examples:

• screen tearing
• Bluetooth quirks
• audio crackling
• touchpad gestures missing

10. Preparing Your Disk If You Want to Remove Windows Completely

Not everyone wants to dual‑boot. Some people want a clean, simple system with Linux only — no Windows, no leftover partitions, no dual‑boot menu.

If that’s you, this is the easiest installation path.

The Option You’re Looking For

During installation, choose:

Erase disk and install Kubuntu

This will:

• delete Windows
• delete all Windows partitions
• delete recovery partitions
• wipe the drive clean
• create a fresh Linux‑only layout
• install a clean bootloader

What You Need to Do First

1. Back up anything you want to keep.
2. Make sure you’re wiping the correct drive.
3. Disconnect external drives you don’t want wiped.
4. Move your files elsewhere if you only have one drive.
5. Boot into “Try Kubuntu” first to test your hardware.

What the Installer Creates Automatically

• EFI System Partition
• Root partition (/)
• Swap file

You don’t need to manually partition anything unless you want to.

When You Should NOT Wipe Windows

Don’t erase Windows if you need:

• Adobe apps
• Microsoft Office desktop
• Sims 4 modding tools
• corporate VPNs
• iCUE or Armoury Crate
• anti‑cheat games
• business software

When You SHOULD Wipe Windows

Wipe Windows if:

• you’re a home user
• you don’t rely on Windows‑only software
• you want a clean, simple system
• you want to avoid dual‑boot problems
• you want Linux to be your main OS
• everything works in the USB session

This is the path I took.

11. Should You Dual‑Boot?

Dual‑booting means having Windows and Linux installed on the same PC.

You should dual‑boot if:

• you rely on Windows‑only apps
• you need Adobe
• you need Microsoft Office desktop
• you use Sims 4 modding tools
• you need corporate VPNs
• you need RGB software like iCUE
• you play anti‑cheat games

If none of these apply, you probably don’t need dual‑boot.

12. The Pitfalls of Dual‑Booting

Dual‑booting works, but Windows can be territorial.

Common issues:

• Windows runs CHKDSK after Linux touches NTFS
• Windows Fast Startup locks the drive
• Windows updates overwrite GRUB
• Linux shrinking a Windows partition can break Windows

If you must dual‑boot:

Always let Windows create the ext4 partition. Never let Linux shrink a Windows partition.

13. A Personal Note: When Linux “Clicks”

After dealing with dual‑boot quirks, something eventually clicked for me:

“Make the jump.”

You have to actually want to use Linux. Once you do, you start preferring:

• the clean environment
• the control
• the consistency
• the calmness

And suddenly Windows feels unnecessary.

For me, Kubuntu didn’t just work — it felt right.

In Summary

Before installing Kubuntu, it’s important to understand:

• your hardware
• your storage
• your use case
• whether you need dual‑boot
• how to test your system
• what to expect from USB mode
• how to wipe Windows safely
• what Windows might do
• and what the installer actually changes

This isn’t about scaring you. It’s about giving you the information I wish I had when I first tried Linux.

Once you understand these basics, the actual install process is straightforward — and honestly, pretty fun.