non system disk or disk error, replace and strike any key when ready

[Cuban333]

non system disk or disk error, replace and strike any key when ready

[VikramTheGreat]

Hi @Cuban333,

Welcome to the HP Support Community.
 

Thank you for posting your query. I will be glad to help you.

The message you’re seeing: “Non‑System Disk or Disk Error – Replace and strike any key when ready” means your HP computer cannot find a bootable operating system to start Windows. This is a startup/boot issue, not an app or Windows error.

Step 1: Remove external media

1. Turn the computer OFF
2. Remove all external devices: 
   • USB flash drives
   • External hard drives
   • SD/memory cards
3. Turn the computer ON

If Windows loads, the issue is resolved.

Step 2: Check the boot order in BIOS

1. Turn the computer ON
2. Immediately tap Esc repeatedly
3. Press F10 → BIOS Setup
4. Open Boot Options
5. Make sure the Internal Hard Drive / SSD is: 
   • Listed
   • Set as the first boot device
6. Press F10 → Yes to save and exit

Restart and test again.

Step 3: Use Boot Device Menu

1. Turn the computer ON
2. Press Esc
3. Press F9 (Boot Device Options)
4. Select: 
   • Internal Hard Drive / NVMe / SSD
5. Press Enter

If Windows starts, the boot order needs correcting (Step 2).

Step 4: Run HP Hardware Diagnostics (important)

1. Turn the computer ON
2. Press Esc, then F2
3. Choose System Tests
4. Run the Storage / Hard Drive Test

Results:

• ✅ Pass → Windows boot files may be corrupted
• ❌ Fail / Drive not detected → storage hardware failure

I hope this helps.

Take care and have an amazing day!