Driver irql equal bsod

If you are a customer who has received a blue screen error code while using your computer, see Troubleshoot blue screen errors. Address that referenced memory. Use ln list nearest symbols on this address to see the name of the function. Typically, when this error occurs, a driver has tried to access an address that is pageable or that is completely invalid while the interrupt request level IRQL was too high.

This can be caused by:. You can use dx display debugger object model expression , a debugger command, to display this: dx KiBugCheckDriver. The function was marked as pageable and was running at an elevated IRQL which includes obtaining a lock.

If the problem is caused by the driver that you are developing, make sure that the function that was executing at the time of the bug check is 1 not marked as pageable or 2 does not call any other inline functions that could be paged out. The following example is output from!

If a trap frame is available in the dump file, use the. To start debugging this type of bug check, examine the stack trace by using the k , kb , kc , kd , kp , kP , kv display stack backtrace commands.

In the debugger, run the! For example:. In the majority of cases of this type of bug check, the issue is not the IRQL level, but rather the memory that is being accessed.

Because this bug check is usually caused by drivers that have used improper memory addresses, use parameters 1, 3, and 4 to investigate further. Use ln list nearest symbols with parameter 4 to see the name of the function that was called. DriverView - Free - utility displays the list of all device drivers currently loaded on your system.

For each driver in the list, additional useful information is displayed: load address of the driver, description, version, product name, company that created the driver, and more.

Right Click the Start Button - Device Manager - Display Adapter - write down the make and complete model of your video adapter - double click - Driver's tab - write down the version info.

Always check in Device Manager - Drivers tab to be sure the version you are installing actually shows up. This is because some drivers rollback before the latest is installed sound drivers particularly do this so install a driver - reboot - check to be sure it is installed and repeat as needed. Manually look at manufacturer's sites for drivers - and Device Maker's sites. So it is best to also swap sticks in and out to check for those even if all memory tests fail to show a problem.

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In reply to Rob B. Independent 's post on June 18, My system is a Lenovo Thinkcentre M72e. I've updated all my drivers, at least the ones that were detected. Be sure to check with Lenovo Support and ask in their forums about any known issues. Independent 's post on June 19, Run the Intel Driver and Support Assistant.

What USB devices are you running on the computer? Be sure to check with Lenovo Support and Forums. This is important as there may be hardware or even software concerns when running on your computer.

This error probably is caused by faulty drivers, which are programmed to access improper hardware addresses. To fix this error, simply try solutions in this post. There are 4 solutions to fix this blue screen error.

You may not have to try them all. Just work your way down at the top of the list until you find the one that works for you. The problem can be caused by missing or corrupted drivers.

To fix the problem, update the drivers. Driver Easy will automatically recognize your system and find the correct drivers for it. But with the Pro version it takes just 2 clicks:. Driver Easy will then scan your computer and detect any problem drivers. The problem can be caused by faulty drivers. To fix the problem, go to Device Manager and find the faulty drivers, then uninstall the drivers.