如何在Windows安裝期間對分區錯誤進行故障排除

First, check disk connections and ensure the drive is detected in BIOS/UEFI. 2. Confirm partition style matches boot mode: use GPT for UEFI and MBR for Legacy BIOS, converting if necessary via diskpart after backing up data. 3. Delete all existing partitions in the installer or use diskpart clean to remove hidden partitions and create unallocated space. 4. Use properly created installation media with FAT32-formatted USB, preferably via Microsoft’s Media Creation Tool, and test different USB ports while disabling Fast Boot and Secure Boot temporarily. 5. Check for disk errors using diskpart, bring offline disks online, and verify hardware compatibility, especially for drives over 2TB or newer NVMe SSDs. 6. Update BIOS/UEFI firmware to the latest version from the manufacturer to ensure full drive support and resolve recognition issues. Following these steps systematically resolves most Windows installation partition errors completely.

Partition errors during Windows installation can be frustrating, especially when you're trying to set up a new system or reinstall the OS. These errors often stem from disk configuration issues, incompatible partition styles, or corrupted installation media. Here’s how to troubleshoot and resolve them effectively.

1. Check Disk Connection and Hardware

Before diving into software fixes, ensure the storage drive is properly connected and recognized by the system.

• For desktops: Make sure SATA or NVMe cables are securely connected.
• For laptops: If possible, verify the SSD/HDD is seated correctly.
• In BIOS/UEFI: Enter setup (usually by pressing F2, Del, or F12 during boot) and confirm the drive appears in the list.
• If the drive isn’t detected, try a different SATA port, cable, or test the drive on another system.

If the drive still isn’t recognized, it may be failing or incompatible.

2. Verify Partition Style: MBR vs. GPT

One of the most common causes of partition errors is a mismatch between the disk’s partition style and the system’s boot mode.

• UEFI systems require GPT partitioned disks.
• Legacy BIOS systems typically use MBR.

How to fix:

• During Windows installation, press Shift + F10 to open Command Prompt.
• Run:

  diskpart
  list disk

• Look for the GPT column. A * indicates the disk uses GPT.
• If you're installing in UEFI mode but the disk is MBR, you’ll need to convert it to GPT (this erases all data):

  select disk X  (replace X with your disk number)
  clean
  convert gpt
  exit

• Then close the Command Prompt and refresh the installer — the partition error should now be resolved.

⚠️ Note: Back up data before using clean — it wipes the entire disk.

3. Delete and Recreate Partitions

Sometimes, existing partitions (especially hidden ones like recovery or EFI partitions) interfere with installation.

• In the Windows installer, when you reach the “Where do you want to install Windows?” screen:
  • Select each partition and click Delete.
  • Repeat until all partitions on the target disk are gone, leaving only "Unallocated Space."
• Click Next — Windows will automatically create the necessary partitions (system, recovery, EFI if needed).

If the installer still won’t proceed, return to diskpart via Shift + F10 and use clean to wipe the disk completely.

4. Ensure Installation Media and USB Settings Are Correct

Faulty or improperly created installation media can cause partition-related errors.

• Use the official Media Creation Tool from Microsoft to create a USB installer.
• Format the USB as FAT32 and ensure it’s written correctly.
• Try a different USB port — preferably USB 2.0 instead of 3.0, as some systems have compatibility issues.
• In BIOS, disable Fast Boot and Secure Boot temporarily to test if they’re blocking proper disk access.

Also, make sure the USB drive isn’t corrupted — test it on another PC or recreate it.

5. Check for Disk Errors and Compatibility

Even new drives can have issues.

• Use diskpart to check for errors:

  select disk X
  attributes disk

  Look for any read-only or offline attributes. If the disk is offline:

  online disk

• Run:

  clean

  To remove all partitions and prepare for a fresh install.

• For older systems or certain SSDs, check if the drive is compatible with the motherboard (e.g., some older BIOS versions don’t support drives over 2TB).

6. Update BIOS/UEFI Firmware

An outdated motherboard firmware can cause disk recognition and partitioning problems, especially with newer NVMe drives or large SSDs.

• Visit your motherboard or laptop manufacturer’s website.
• Download and install the latest BIOS update.
• After updating, retry the Windows installation.

Bottom line: Most partition errors during Windows setup come down to boot mode (UEFI vs. Legacy), partition style (GPT vs. MBR), or leftover partitions blocking installation. Using diskpart to clean the drive and ensuring correct firmware and media settings resolves the vast majority of cases.

Basically, it’s not complicated — just methodical.

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