What Is the Windows Stop Code Error IRQL_NOT_LESS_OR_EQUAL and How Can I Fix It?
What Is the Windows Stop Code Error IRQL_NOT_LESS_OR_EQUAL and How Can I Fix It?
3 Answers

So, you’ve stumbled upon the IRQL_NOT_LESS_OR_EQUAL error on your Windows machine, eh? It’s a real pesky one, but don’t worry—you’re not alone, and there are several ways to tackle it.
First up, let’s talk about drivers. They can be a major cause of this issue, so make sure they’re up to date. Just open up your Device Manager, locate any devices that might need a little attention, and hit Update driver. Easy, right?
Next, don’t forget about Windows updates. They’re like your system’s life support, keeping things running smoothly. Head over to Settings > Update & Security and check for any updates you might’ve missed.
Ever tried running the Windows Memory Diagnostic Tool? If not, give it a go! Just press Win + R, type mdsched.exe, and follow the instructions. It’s like giving your memory a quick health check.
Now, rewind a bit. Did you install any software or drivers just before this error popped up? It might be worth uninstalling the newcomer. Dive into Settings > Apps and look for anything suspicious. If it’s a driver that’s acting up, you can roll it back in the Device Manager.
Let’s not forget hardware issues. Double-check that everything’s seated properly in your PC. Loose cables or components could definitely cause some chaos.
And here’s the kicker: If you’re still facing trouble after trying these steps, don’t hesitate to consult Microsoft support or fellow tech enthusiasts online. There’s a treasure trove of wisdom out there, waiting to help you out.
With these tips, you should be able to get your system back to its happy place without too much stress. Good luck!

Alright, so you\’re dealing with that pesky IRQL_NOT_LESS_OR_EQUAL error on Windows, huh? This little bugger usually shows up as a Blue Screen of Death, typically when some driver or system process messes up with memory access at the wrong time. It\’s often caused by cranky device drivers, wonky system files, or it could be your hardware acting funny—maybe bad RAM or an overheated CPU.
Here\’s how you might fix it:
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First thing’s first: Check those drivers.
Got any outdated or glitchy ones hanging around, especially for your graphics, network, or USB? Dive into the Device Manager or hit up Windows Update to see if any need refreshing. If you just updated a driver and then things went sideways, maybe roll it back or reinstall it. Trust me, dodgy third-party drivers can be a nightmare for IRQL errors. -
Time for Windows updates.
Keeping your system up to date can solve loads of issues and might even fix up driver hiccups without you lifting a finger. Head to Windows Update and snag any updates, especially the optional ones—they might just patch the problem right up. -
Investigate your RAM and other hardware.
You should run the Windows Memory Diagnostic tool—just type \”mdsched\” in the Run box and let it do its thing. Also, if your system\’s running hot, that\’s something to watch out for. Check your CPU cooling—dusty fans? Overclocking gone too far? Give the system a clean or dial back any extreme settings. -
Fix those system files.
Corruption here can be a recipe for disaster. Launch an elevated Command Prompt, type \”sfc /scannow\” to check for system file corruption, and follow it up with \”DISM /Online /Cleanup-Image /RestoreHealth\” to fix up any deeper issues. These tools are your friends for smoothing out instability. -
Go for a clean boot and run the Driver Verifier.
By starting Windows with just the essentials, you can point fingers at any software or third-party driver causing trouble. Driver Verifier can push your drivers to the edge, helping pinpoint the bad apples, though it might trigger another Blue Screen if there are issues. -
Scan for malware, just in case.
Nasty software can mess with drivers or system files, causing IRQL_NOT_LESS_OR_EQUAL errors. Give your device a thorough scan using Windows Defender or a trusted antivirus to rule this out. -
If nothing works, consider a system restore or reset.
When all else fails, reverting to a prior restore point or resetting Windows might clear up recent software conflicts. But don\’t forget, always back up your stuff before you do this—you don\’t want to lose anything important.
By tackling these straightforward steps, from fiddling with drivers to ensuring your system’s not overheating, you\’ll likely be rid of that irritating IRQL_NOT_LESS_OR_EQUAL error. It\’s all about staying on top of updates and keeping your system backed up to dodge headaches down the line.

Getting to Grips with the Windows IRQL_NOT_LESS_OR_EQUAL Error
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If you\’ve ever encountered the infamous Blue Screen of Death on Windows, there\’s a good chance you\’ve seen the IRQL_NOT_LESS_OR_EQUAL error (code 0x0000000A). This is essentially Windows throwing a tantrum because something went wrong at a deep system level. The computer’s brain, known as the kernel, tried to access more than it should, and now we have to figure out why.
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What\’s the Story Behind This Error?
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Think of it like this: Your system has a bunch of to-do lists with certain priorities. When something tries to skip the line without permission, it all goes haywire, and that’s when you see this error. Not ideal, but it\’s better than having bits and pieces of your computer\’s memory corrupted.
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Common Troublemakers and Quick Fixes
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1. Drivers Acting Up
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You know drivers—they\’re those sneaky little pieces of software that tell your hardware how to behave. If they haven\’t been getting along, you might experience this error.
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Alright, here\’s what you need to do:
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- Start up in Safe Mode by hitting F8 while your PC is waking up.
- Dig into Device Manager (just type devmgmt.msc in the Run box).
- Spot any hardware with those troublesome yellow icons.
- Right-click to update the drivers or swing by the manufacturer’s website for a fresh version.
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Still not playing nice? Try out the Driver Verifier:
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- Open Command Prompt as admin and type in
verifier
. Hit Enter. - Pick \”Create custom settings\” and select all tests except \”Low resources simulation\”.
- Choose your non-Microsoft drivers for a trial by fire, then reboot to figure out who’s causing the trouble.
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2. Hardware Bloopers
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Sometimes your gear—like RAM, the CPU, or even the motherboard—gets a little dodgy. Faulty bits can mess up memory access.
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Here’s what you can try:
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- Run Windows Memory Diagnostic. Just search for it in the Start menu and let it scan during a restart.
- Use a program like Core Temp to keep an eye on CPU temperatures.
- MemTest86 is your go-to for a deep RAM scan—but you’ll need a bootable USB drive.
- If you’re feeling brave, reseat your RAM by popping it out and plugging it back in, and look for any obvious damage.
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3. System Files Gone South
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When some key Windows files go haywire, it can lead to all sorts of memory management blunders.
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To straighten things out:
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- Fire up Command Prompt as administrator.
- Enter
sfc /scannow
to scan and repair files. - Follow up with
DISM /Online /Cleanup-Image /RestoreHealth
to fix those deeper, lurking issues. - Give the system a reboot and see if things are back to normal.
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4. Overclocking Gone Wild
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When you push your hardware too hard, like revving a car engine too high, things can get unstable.
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Dial it back in BIOS/UEFI:
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- Access it (usually by pressing Del or F2 on startup), and restore default or optimized settings.
- Cut off any overclocking going on.
- If that solves it, maybe ease up on the horsepower next time.
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5. Oh, Malware Strikes Again!
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Nasty bugs can slip through and wreak havoc on memory and drivers, causing all sorts of chaos.
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Here’s your game plan:
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- Enter Safe Mode with Networking.
- Run full scans using something like Windows Defender or Malwarebytes.
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When All Else Fails
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If you’re still in a pickle:
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- Dive into Event Viewer to track down what’s been going wrong around the time of the crash.
- Use WinDbg to analyze any MEMORY.DMP files from C:\\Windows for clues.
- Try a Clean Boot to sniff out any startup issues—by disabling non-Microsoft services and startup items in msconfig and Task Manager.
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Keeping It From Happening Again
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- Stay up to date with Windows and drivers.
- Stick with trusted hardware brands.
- Avoid shady software that might bring in hidden nasties.
- Make sure your system isn’t overheating.
- Set up system restore points regularly—you’ll thank yourself later.
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This error can be a pain, but with a bit of patience, you can nearly always hunt down the troublemaker. Start with the usual suspects like drivers and RAM. If all else fails, it might be time for some professional tech support. Happy troubleshooting!