How to solve invalidsystemdisk

How to solve the "Invalid System Disk" error

When the "Invalid System Disk" error occurs when the computer starts, it indicates that the master boot record (MBR) is damaged or missing, causing the computer to be unable to boot. The hard drive starts. Here are the steps to resolve this error:

1. Check BIOS Setup

• Restart your computer and enter BIOS Setup.
• Navigate to the Startup tab.
• Set the hard disk as the first boot device.
• Save changes and exit BIOS.

2. Repair MBR

• Create a bootable Windows installation USB or DVD.
• Boot the computer from bootable media.
• Select your language and keyboard settings and click Next.
• On the Install Now screen, click Repair your computer.
• Select "Troubleshoot" > "Advanced Options" > "Command Prompt".
• In the Command Prompt window, type the following command and press Enter:

<code>bootrec /fixmbr</code>

• Type the following command and press Enter:

<code>bootrec /fixboot</code>

• Type the following command and press Enter:

<code>bootrec /rebuildbcd</code>

• Exit the command prompt and restart your computer.

3. Run CHKDSK

• Restart the computer and enter Windows.
• Click the "Start" menu and type "cmd".
• Right-click "Command Prompt" and select "Run as administrator".
• In the Command Prompt window, type the following command and press Enter:

<code>chkdsk c: /f</code>

• Follow the on-screen prompts to complete the CHKDSK scan.

4. Re-create the partition

• If the above steps do not solve the problem, you may need to re-create the partition.
• Boot your computer from a bootable Windows installation USB or DVD.
• On the Install Now screen, click Repair your computer.
• Select "Troubleshoot" > "Advanced Options" > "Command Prompt".
• In the Command Prompt window, type the following command and press Enter:

<code>diskpart</code>

• Type the following command and press Enter:

<code>list disk</code>

• Find your hard drive and type the following command (replace "X" with the hard drive number):

<code>select disk X</code>

• Type the following command and press Enter:

<code>clean</code>

• Type the following command and press Enter:

<code>create partition primary</code>

• Type the following command and press Enter:

<code>exit</code>

• Exit the command prompt and Restart the computer.

After performing the above steps, the "Invalid System Disk" error should be resolved and your computer should be able to boot normally.

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