

- IRQL NOT LESS OR EQUAL WINDOWS 10 INSTALLATION INSTALL
- IRQL NOT LESS OR EQUAL WINDOWS 10 INSTALLATION DRIVERS
- IRQL NOT LESS OR EQUAL WINDOWS 10 INSTALLATION UPDATE
If you don’t have a system restore the image to restore then do a clean install of Windows 8.

Get to Troubleshoot > Advanced options, and navigate to Restore System Image.Boot the computer with the Windows 8 Installation Disk by inserting the disk and restarting the computer.
IRQL NOT LESS OR EQUAL WINDOWS 10 INSTALLATION UPDATE
You can restore that backup to bring back Windows 8 and then update it to Windows 8.1 again. If all else fails, try to update to Windows 8.1 again but for that, you will first need to get back to Windows 8. This is easy if you have already created a System Image Backup of Windows 8.
IRQL NOT LESS OR EQUAL WINDOWS 10 INSTALLATION DRIVERS
You can either update device drivers manually or by using a utility that will download and install them for you. If disabling startup programs do not solve the problem then it was probably a device driver.

Memory Catching is disabled from the computer’s BIOS setup. (Read from Part 1 of this article by clicking here)ĭisabling the memory cache may solve this problem because this is a memory-related issue. Wally’s Answer: Many users have reported seeing the IRQL_NOT_LESS_OR_EQUAL error. Setting up weekly (or daily) automatic scans will help prevent system problems and keep your PC running fast and trouble-free. Step 3 : Click “Repair All” to fix all issues.Step 2 : Click “Start Scan” to find Windows registry issues that could be causing PC problems.Step 1 : Download PC Repair & Optimizer Tool (WinThruster for Win 10, 8, 7, Vista, XP and 2000 – Microsoft Gold Certified).Before addressing any computer issue, I always recommend scanning and repairing any underlying problems affecting your PC health and performance:
