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Every seasoned Windows user is familiar with the dreaded Blue Screen of Death (BSOD), a notorious sign of critical system errors. One particular error that has emerged as a notable concern is the SERIAL_DRIVER_INTERNAL bug check, denoted by the code 0x00000038. While this error is relatively uncommon, it can disrupt your workflow, often appearing alongside other issues. Fortunately, there exist several methods to remedy this inconvenience.

A focused man wearing glasses works on a computer in a modern office setting.
What Causes the SERIAL_DRIVER_INTERNAL Error?​

Understanding the origins of the SERIAL_DRIVER_INTERNAL error can help in preventing its occurrence. Connections to outdated drivers, corrupt system files, malware infections, and hardware problems are the primary culprits. So, it’s essential to maintain your system and regularly check for issues.
  • Update All the Drivers Keeping your drivers updated is crucial for maintaining the overall health of your computer's system. Older drivers can lead to incompatibility issues resulting in BSODs. Here’s how to update your drivers manually:
  • Press Windows + X to open the Power User menu.
  • Select Device Manager.
  • Expand the listed entries, right-click on each device, and select Update Driver.
  • Choose Search automatically for drivers and allow Windows to find and install the best available version. If you want the most recent driver versions, visiting the device manufacturer’s website is the best option to download and install them manually. Alternatively, using a dedicated driver updater tool can automate the process, ensuring you always possess the latest drivers. [*Roll Back Recent Driver Updates If you recently updated your drivers and began experiencing problems, reverting to an earlier version may resolve your issues:
  • Press Windows + R and type devmgmt.msc, then press Enter.
  • Expand the entries, right-click on the problematic device, and navigate to the Driver tab.
  • Click on Roll Back Driver, select the reason for rolling back, and proceed with the confirmation. If the option is greyed out, it indicates there may not be a previous version available. [*Check for RAM and Disk Issues Hardware malfunctions, particularly in RAM or the storage disk, can provoke BSOD errors.
  • To assess your disk, run the check disk utility:
  • Open Command Prompt as an administrator.
  • Enter the command: chkdsk /r and follow the prompts if a reboot is necessary. Always scrutinize the check disk logs for insights on any found problems. [*For inspecting RAM, utilize the Windows Memory Diagnostic tool:
  • Search for “Windows Memory Diagnostic”, then click Restart now and check for problems. If a more thorough assessment is needed, tools like MemTest86 can identify RAM-related issues that might be less apparent. [*Repair Corrupt System Files If driver issues and hardware malfunctions have been ruled out, corrupt system files might be to blame. Repairs can be done via the Deployment Image Servicing and Management (DISM) and System File Checker (SFC):
  • Open Run by pressing Windows + R, and type cmd. Press Ctrl + Shift + Enter to run as administrator.
  • Execute the following commands one by one:
  • DISM /Online /Cleanup-Image /CheckHealth
  • DISM /Online /Cleanup-Image /ScanHealth
  • DISM /Online /Cleanup-Image /RestoreHealth
  • Finally, run: sfc /scannow Restart your computer once the scans complete. [*Scan the PC for Malware Malware can wreak havoc on your system and potentially trigger BSOD errors. Utilize Windows built-in security features:
  • Search for Windows Security in the search bar, navigate to Virus & threat protection, select Scan options, and choose Full scan. Allow the system to conduct a thorough scan to eradicate any detected threats. [*Perform a System Restore Reverting your computer to an earlier state where the error was not present can often solve the problem:
  • Hit Windows + R, type rstrui.exe, and press Enter.
  • Opt for Choose a different restore point and follow prompts to select the desired restore point. The restoration process will maintain your personal files while reverting system settings to a previous state.
  • Contact Support or Visit a Repair Shop If all else fails, the issue could stem from hardware problems. Reaching out to the device's support line or visiting a professional repair shop can help debug underlying issues effectively.

Summary and Proactive Steps​

The SERIAL_DRIVER_INTERNAL error might be alarming, but following the steps outlined above can help resolve it. Regular maintenance of your system, such as installing updates, running malware scans, and ensuring hardware integrity, can prevent future occurrences. Understanding these errors, alongside proactive system management, will lead to a more stable and efficient Windows experience. For those facing persistent issues that hinder their work, collecting detailed information about the errors, including specific error codes and logs, can be beneficial when seeking technical support. Ultimately, staying informed about your system's health and maintaining an up-to-date backup plan will safeguard against critical errors that disrupt your computing experience. For more in-depth troubleshooting, please refer to the original article: SERIAL_DRIVER_INTERNAL Blue Screen Error: 7 Ways to Fix it.
 

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Ah, the infamous Blue Screen of Death (BSOD) strikes again. This time, it’s flaunting its cryptic “IRQL_NOT_LESS_OR_EQUAL” error, a message that probably left you scratching your head. This error, officially listed as "Error 0xA," is more than just a random crash; it’s a signal that something is amiss within your system—whether it’s a hardware hiccup, a buggy driver, or possibly faulty memory. Let’s survive this chaos together and decode the cure for this very stubborn and pesky BSOD.

A glowing digital sphere surrounded by neon cables emits futuristic blue and pink light.
What Causes "IRQL_NOT_LESS_OR_EQUAL" Errors?​

At its core, this error is a driver- or memory-related issue. It’s essentially a fail-safe mechanism of Windows stepping in to prevent your system from doing something catastrophic, like accessing invalid memory addresses. Here’s what usually triggers it:
  • Driver Issues: A newer or corrupted driver might be poking memory addresses it shouldn’t.
  • Faulty Memory: Physical problems in your RAM, or logical incompatibilities, could contribute.
  • Incompatibility or Hardware Faults: Newly installed hardware or outdated firmware might not play well with others.
This error is like Windows yelling, "This function call? Illegal!" Let’s dive into the nitty-gritty of fixing it.

Fixing the IRQL_NOT_LESS_OR_EQUAL Error​

Here’s a structured list of solutions you can follow. Each step builds on the last, so it’s best to follow them in order. Good news: no prior tech wizardry is required!

1. Update Your Drivers

A bulky driver (the software that helps your hardware interact with Windows) could be the troublemaker. Here’s how you can tackle it:
  • Via Windows Update:
  • Right-click the Start Menu and choose Settings > Windows Update > Advanced Options.
  • Ensure that Receive updates for other Microsoft products is toggled ON.
  • Navigate to Optional Updates under Advanced Options, select all available updates, and click Download and Install.
  • Hit Check for Updates again and download everything Windows offers you.
  • Check Manufacturer Websites:
    If Windows Update doesn't resolve the issue, visit your hardware’s manufacturer site (Dell, HP, Intel, etc.) to find the latest drivers—especially for graphics cards, chipsets, and network adapters.
Pro Tip: Always restart your computer after installing updates—even if Windows doesn’t explicitly ask for it. Sometimes, a fresh reboot seals the deal!

2. Run the Windows Memory Diagnostic Tool

If updating drivers doesn't work, your memory (RAM) may be under suspicion. You can use Windows' built-in tool to check for any hidden flaws:
  • Save all your work and close applications.
  • Press Win + R to bring up the Run dialog, type mdsched, and press Enter.
  • In the next window, you’ll get two options. Choose Restart now and check for problems (ideal) or schedule it for the next reboot.
  • When your system restarts, the Windows Memory Diagnostic Tool will load up in its own DOS-like screen.
  • By default, the tool runs Standard Tests. Need an even deeper dive? Press F1, then switch the Test Mix to Extended, and hit F10.
  • Once complete, Windows will reboot, and you’ll see results as a notification or in the Event Viewer by searching for MemoryDiagnostics-Results.
Event ID 2001 means all is gravy, memory-wise, and no issues were found.
If errors surface, it’s likely time to replace your RAM.

3. Double-Check Newly Installed Hardware

Did you recently install a new piece of hardware—a second stick of RAM? A GPU upgrade perhaps? There might be a compatibility or stability issue. Temporarily remove any new hardware and see if the issue resolves.
If it’s a match made in hell, check for:
  • BIOS/firmware updates for your hardware.
  • Compatibility with your motherboard.

4. Check for Corrupted System Files

Sometimes, sneaky corruptions in critical system files can wreak havoc. Use the System File Checker (SFC) to scan and repair them:
  • Press Win + X and choose Command Prompt (Admin) or Windows Terminal (Admin).
  • Run:
    Code:
    cmd
    
         sfc /scannow
  • Wait for the scan to finish and follow any repair prompts.
For more stubborn cases, pair SFC with DISM to restore the system image:
Code:
cmd

   DISM /Online /Cleanup-Image /RestoreHealth

5. Update the BIOS/UEFI

Your hardware's BIOS/UEFI firmware might be outdated or misbehaving. Over time, bugs fixed in newer firmware versions can eliminate BSOD incidents.
  • Head over to your motherboard or PC manufacturer’s website to locate firmware updates. And remember—be cautious when updating the BIOS, as interruptions during the process could brick your device.

6. Restore or Reset Windows

If all else fails and the BSOD refuses to wave the white flag, a more drastic measure might be in order:
  • Before going nuclear with a full system reset, attempt a System Restore to roll back to a period when your system worked fine.
  • Alternatively, reset Windows via Settings > System > Recovery. Select Keep My Files to leave your personal data intact.
A clean slate can be terrifying but sometimes it’s the only way forward.

Additional Long-Term Tips:​

  • Backup Your Data Regularly: Prevent panic mode by safeguarding your files with tools like OneDrive or external drives.
  • Monitor Hardware Health: Tools like HWMonitor or CPU-Z can track your hardware performance and temperature.
  • Keep Your OS Updated: With Windows 10 support set to end in October 2025, jump on the Windows 11 bandwagon sooner rather than later.

Final Thoughts: Why This Matters​

Errors like IRQL_NOT_LESS_OR_EQUAL may feel overwhelming, but they’re designed to ensure your system doesn't silently corrupt data or worsen hardware malfunctions. They act as your digital pit crew, pulling you into the pit stop before the real race damage occurs.
Have you battled this error before, or are you mid-fight with it? Share your experiences or additional tips on the forum below! Let’s turn this daunting BSOD into a minor footnote in your tech history.

Source: Microsoft Support How to fix Error 0xA: IRQL_not_less_or_equal - Microsoft Support
 

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