Fixing Multiple BIOS POSTs with Dual M.2 Drives and Windows 10

Fixing Multiple BIOS POSTs with Dual M.2 Drives on Windows 10

When you have two M.2 drives installed on your Windows 10 machine and BitLocker is enabled, you may encounter multiple BIOS POSTs (Power-On Self-Test) during boot-up. This can be frustrating and time-consuming, but there are ways to fix this issue. This article will provide detailed context on the topic, including key concepts, subtitles, and paragraphs, as well as code blocks to help you troubleshoot and resolve the problem.

Understanding BIOS POSTs and BitLocker

BIOS POSTs refer to the self-diagnostic tests that a computer's BIOS (Basic Input/Output System) performs when it is first powered on. These tests ensure that the system's essential components are functioning properly before the operating system begins to load. When you have dual M.2 drives and BitLocker is enabled, the system may perform separate POSTs for each drive, which can cause a delay in the boot-up process.

Identifying the Problem

If you suspect that you are experiencing multiple BIOS POSTs with dual M.2 drives and BitLocker, there are a few signs to look out for:

• A delay in the boot-up process
• Separate BIOS POST screens for each M.2 drive
• An option to choose between the drives during boot-up

Resolving the Issue

To resolve the issue of multiple BIOS POSTs with dual M.2 drives and BitLocker, you can try the following steps:

Disable BitLocker

The most straightforward solution is to disable BitLocker on one of the M.2 drives. This will merge the two drives into a single volume, reducing the number of BIOS POSTs and speeding up the boot-up process. To disable BitLocker:

1. Press the Windows key + X and select "Control Panel"
2. Click on "System and Security" and then "BitLocker Drive Encryption"
3. Select the drive you want to disable BitLocker for and click on "Turn off BitLocker"

Change BIOS Settings

Another solution is to change the BIOS settings on your machine. This may vary depending on the manufacturer, but generally, you can change the boot order or disable the secondary M.2 drive during BIOS POST. To change the BIOS settings:

1. Restart your machine and press the manufacturer-specific key to enter the BIOS (e.g. F2, F10, or DEL)
2. Navigate to the boot settings and change the boot order to prioritize the primary M.2 drive
3. Save and exit the BIOS

Update BIOS

If the issue persists, you may need to update the BIOS on your machine. This can resolve compatibility issues between the motherboard and the M.2 drives. To update the BIOS:

1. Visit the manufacturer's website and download the latest version of the BIOS for your machine
2. Follow the manufacturer's instructions for installing the updated BIOS

Multiple BIOS POSTs with dual M.2 drives and BitLocker can be a frustrating problem to encounter, but it can be fixed with a few simple troubleshooting steps. Disabling BitLocker, changing BIOS settings, or updating the BIOS can speed up the boot-up process and reduce the number of BIOS POSTs. By following these steps, you can resolve the issue and enjoy a faster and more reliable boot-up experience.

References

• BitLocker Overview
• How to Disable and Enable BitLocker in Windows 8.1
• How to Enter Your PC's BIOS or UEFI
• How to Update Your Computer's BIOS