Windows 11 24H2: enabling BitLocker by default may reduce the performance of your PC, here’s how to avoid this


Mérouan Goumiri

May 8, 2024 at 3:28 p.m.

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Not yet launched, the 24H2 Update of Windows 11 is already causing problems © MardeFondos / Shutterstock

Not yet launched, the 24H2 Update of Windows 11 is already causing problems © MardeFondos / Shutterstock

Expected for the end of the year, the 24H2 update of Windows 11 may affect the performance of your computer. Indeed, Microsoft plans to automatically enable BitLocker encryption on all PCs when reinstalling the operating system, whether it’s an upgrade or a full installation.

It is from next fall that the Redmond firm will begin the deployment of its next big update. Expected at the turn, this 24H2 version of Windows 11 will be published in several stages. Although it will introduce many highly anticipated AI features, including the Super Resolution function, this new version could significantly hamper the performance of your device due to the default activation of BitLocker, Microsoft’s encryption system.

BitLocker: double-edged encryption

While BitLocker data encryption is an undeniable asset for the security of sensitive information, it can also have a negative impact on system performance, particularly on SSDs. Tests carried out last year showed that enabling BitLocker could drop SSD speeds by up to 45% depending on the tasks being performed.

Even more worrying, using the software version of BitLocker places heavy demands on the CPU to perform encryption and decryption operations, which can overall slow down your machine’s performance. Fortunately, modern processors incorporate a hardware-accelerated AES encryption/decryption module, partially mitigating this performance drop.

Windows 11: here’s how to disable BitLocker on your PC

Fortunately, it is possible to disable BitLocker encryption when reinstalling Windows 11 24H2. According to Tom’s Hardwarethe simplest method is to go to the Windows 11 privacy and security settings, then select the “Device encryption” option to turn it off.

Another, more technical option is to directly modify the Windows registry via the command prompt accessible by simultaneously pressing the “Shift + F10” keys during installation. This manipulation then requires modifying the value of the key “ PreventDeviceEncryption » associated with BitLocker on “ 1 “.

Windows 11 24H2 will refuse to start if your PC's processor is too old... but really too old!
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Windows 11 24H2 will refuse to start if your PC’s processor is too old… but really too old!

Feb 13 2024 at 10:43

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Although, fortunately, solutions exist to disable this encryption and preserve the performance of your machine, remember that this action implies a reduction in security linked to the data stored on your disks.

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Windows 11

  • Successful graphic redesign of the interface
  • Improved Snap
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Microsoft’s Windows 11 redefines the user experience with a redesigned interface, customizable widgets, and stronger Microsoft Teams integration. Each innovation aims to optimize and enrich the daily use of your device. Whether you are a professional, creator or average user, Windows 11 meets your needs by combining efficiency and pleasure of use.

Microsoft’s Windows 11 redefines the user experience with a redesigned interface, customizable widgets, and stronger Microsoft Teams integration. Each innovation aims to optimize and enrich the daily use of your device. Whether you are a professional, creator or average user, Windows 11 meets your needs by combining efficiency and pleasure of use.

Source : Tom’s Hardware

Mérouan Goumiri

Mérouan Goumiri

A fan of series, cinema and new technologies, it was my penchant for video games that got the better of me. Getting lost between Libertalia, the seas of Sea of ​​Thieves and Kaer Morhen, such is...

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A fan of series, cinema and new technologies, it was my penchant for video games that got the better of me. Getting lost between Libertalia, the seas of Sea of ​​Thieves and Kaer Morhen, such is the life I decided to lead between writing two articles.

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