A computer crashes with a STOP Error, also called as, Blue Screen of Death and Critical Error while attempting to connect it to a Dial-Up Internet:
A problem has been detected and Windows has been shut down to prevent damage to your computer (DRIVER_IRQL_NOT_LESS_OR_EQUAL)
Download the Diagnostic
There are certain situations when missing entries in your registry and registry corruption causes this problem. Try running a registry scan to identify if there are any such issues.
- Click the button below to download and install the Diagnostic
- Perform a Registry scan and fix any problems detected.
- Restart your computer.

Estimated Download Time: 10 Seconds
Disable BIOS Caching & Shadowing
BIOS stands for Basic Input Output System. As instructed in the Critical Error, you may have to try disabling the BIOS Caching and Shadowing feature that typically does not support many PCs/ laptops. Here’s how:
1. Restart your system, press F2 or Delete key repeatedly until BIOS Configuration screen appears.
2. With the help of keyboard arrow keys, choose the Advanced tab.
3. In the Advanced tab, you will find “Cache Memory” option. Select it and press ENTER.
4. Set it disabled.
5. Now save your settings. (Exit > Save Changes and Exit > Yes)
Diagnose Memory
Power fluctuations, overheating can damage your computer’s memory, and result into 0x000000D1 DRIVER_IRQL_NOT_LESS_OR_EQUAL error. Windows Memory Diagnostic program performs basic, standard or extended memory tests to check whether you need to replace your RAM.
1. Open Windows Memory Diagnostic. Type “Memory” in Search Box on your Taskbar; and open that tool.
2. Click “Restart now and check for problems” button.
Perform ChkDsk
ChkDsk is an abbreviation of Windows Check Disk Toolkit. The tool is used for monitoring and fix problems of logical file system. It can be either used in its command-line interface through an elevated Command Prompt, or graphical interface from File Explorer.
1. Click File Explorer icon on Taskbar.
2. Right-click the drive containing your OS installation.
3. Choose Properties.
4. Click Tools | Check, and start analyze-repair process. A system reboot is a must.
Uninstall Old Drivers
Old drivers signing issues can result into Windows 10 error 0x000000D1 DRIVER_IRQL_NOT_LESS_OR_EQUAL. Remove any old drivers installed on your system.
1. Click Start, and then Settings.
2. Click System | Apps & Features.
3. One by one uninstall your old driver software. Reboot your system after completion.
Reset your PC
PC Reset feature restores your computer to factory defaults whenever you have a major computing issue. Remember, the operating system will erase everything. To some extent, it is similar to formatting and reinstalling Windows. Be careful you’ve backed up all your important documents and files to an external storage such as USB flash drive, external HDD.
1. In the Search Box on Taskbar, type ‘Reset”
2. Open “Reset this PC.”
3. Follow the on-screen instructions.