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rt640x64.sys BSoD Error: 6 Ways to Fix It

Clean up the corruption to stop this annoying error

4 min. read

Updated onMarch 20, 2024

updated onMarch 20, 2024

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Key notes

The infamous Blue Screen of Death (BSoD) can be caused a lot of things, so Windows always points to exactly what failed on your computer, oryou can look at the crash files.

In this scenario, the BSoD was caused by rt640x64.sys, a system file forRealtek network driversthat usually handles the ethernet port. Fortunately, it’s easy to fix.

What causes rt640x64.sys failure?

What causes rt640x64.sys failure?

Before discussing the solutions, it’s important to review what causes the error first to learn how to avoid it:

How do I fix the rt640x64.sys error?

How do I fix the rt640x64.sys error?

1. Update Windows 11

2. Update drivers via Device Manager

Another alternative you can try, surely much faster, is a dependable third-party tool that detects all outdated drivers and replaces them with brand-new driver versions, keeping your PC always healthy.

⇒Get PC HelpSoft Driver Updater

3. Run system scans

4. Restore Windows 11

5. Disable Realtek LightWeight Filter

6. Run Windows Memory Diagnostic Tool

Some third-party websites online may recommend downloading a fresh copy of rt640x64.sys. Don’t do this, as it may be malware. And be sure to check out ourlibrary of other BSoD solutions.

There are also some quick steps you may try:

It may interest you to know what to do if you getError 777caused by malfunctioning registry files. You can fix this by running the CHKDSK command and then Windows Memory Diagnostic.

We also have a guide that focuses onsolving L1c63x64.sys BSoD with effective methods, so don’t miss it.

If you have any suggestions or guides you’d like to see, comment below.

More about the topics:BSoD error codes,realtek,Windows 11

Cesar Cadenas

Networking & Security Specialist

Cesar has been writing for and about technology going on for 6 years when he first started writing tech articles for his university paper. Since then, his passion for technology blossomed into a prosperous writing career. He first started writing about tech in the entertainment world and would later move on to write about smart life tech and social media. He was recently a Technical Writer for tech company Extron where he wrote user guides for audio and video equipment.

He has since moved on to being a freelance writer looking to have a career in copywriting and hopes to share his love and knowledge of technology with the world. Recently, Cesar has written for the cryptocurrency news site, BTCPro and helping people understand tech.

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Cesar Cadenas

Networking & Security Specialist

Cesar is a tech expert passionate about Windows, Microsoft, and anything surrounding the world of PCs.