If you add a new memory stick, make sure that the two memory modules are the same model. There is one more thing you need to be aware of. If you don’t see the result, you can search in Event Viewer by following this path: Event Viewer (right-click Start Menu) > Windows Log > System > Find (in the right pane)> type MemoryDiagnostic > Find Next. This process may take about 15 minutes.Īfter this process is completed, your computer will restart automatically and the test result will be displayed after you log in. And the Windows Memory Diagnostic Tool window will appear. Then it will restart your computer and scan for memory problems automatically. Select Restart now and check for problems (recommended).ģ. Type mdsched.exe in the box, and click OK.Ģ. Solution 5: Run Windows Memory DiagnosticĪ possible cause of this issue is defective or mismatched RAM (Random Access Memory), and you can fix it by running Windows Memory Diagnostic to test memory problems.ġ.
Supposing the error remains, the reason for your problem may be not driver error.
Of course, you can find the graphic device and click Update to update this driver solely.Īfter this process, you successfully updated all drivers.
Select all and click Update Now to update all the missing, faulty and outdated drivers at one time. Driver Booster is a professional tool that can help you with downloading and installing the updated missing drivers.ģ. In this case, you can use Driver Booster.
So it will be troublesome to update all drivers by device manager. Though you can update drivers in device manager, you do not know exactly which driver is outdated. If IRQL_NOT_LESS_OR_EQUAL happens to you when playing game or in other conditions, you should check if the graphic card is compatible with Windows 10 and if other drivers have problems such as wifi driver.
Solution 4: Update Graphic Driver and Other Drivers Reboot your computer and then check if the problem remains. Drag the unsigned drivers from driver folder to the new folder you just created.Ĩ. Open My Computer > Disk C > Windows > System 32 > drivers.ħ. If not, you should try other solutions.ĥ. Then it will search for unsigned drivers. Check Automatically select unsigned drivers. Then check Create standard settings, and then click Next.Ĥ. Type verifier in Command Prompt and press Enter.ģ. Right-click Command Prompt and choose Run as administrator.Ģ. Type cmd in the search box beside Start Menu. You can follow the below steps to achieve that.ġ. Then you can go to Device Manager and update this driver.
Driver Verifier can help you find the faulty drivers. Solution 3: Find the Faulty Driver by Driver VerifierĪ faulty driver is very likely to cause this problem. Or you can do it by going to This PC > Local Disk (C:) > Windows > System 32 > drivers > epfwwfp.sys > Delete. Type DEL /F /S /Q /A “C:\Windows\System32\drivers\epfwwfp.sys” and click Enter. Right-click the result and choose Run as administrator.Ģ. Type command prompt in the search box beside Start Menu. If you have the IRQL_NOT_LESS_OR_EQUAL (epfwwfp.sys) BSOD in driver files, you can fix your problem by simply deleting this file.ġ.
And here is the tutorial with pictures: how to enter the safe mode. If this IRQL_NOT_LESS_OR_EQUAL blue screen of death occurs in a loop and you cannot go to the login desktop, you should enter safe mode at first and then try the next solutions. Here are some solutions to fix the error.ģ: Find the Faulty Driver by Driver VerifierĤ: Update Graphic Driver and Other Driversĩ: Restore your System Solution 1: Enter Safe Mode The reasons for this BSOD can be: some corrupt system files, faulty hardware, old or incompatible drivers. You may suffer from this error after you installed a new hardware or software or after Windows 10 update. We’re just collecting some error info, and then will restart for you. When you are using your PC, you may find it has a blue screen error, with white words on the screen saying “ Your PC ran into a problem and needs to restart.