SOLVED! “The System Firmware Has Changed The Processor’s Memory Type Range Registers”

Being a collection of processor auxiliary capability control registers, Memory type range registers (MTRRs) is responsible for giving system software control over how the CPU accesses cached memory regions.

However, sometimes the system firmware changes these memory type range registers, which causes this issue to occur. As a result, your Computer’s resuming performance may suffer.

So What Exactly Is “The System Firmware Has Changed The Processor’s Memory Type Range Registers”?

“The System Firmware Has Changed The Processor’s Memory Type Range Registers” is a condition in which due to long hours of inactivity your computer goes into hibernation mode and later on is unable to come out of it. In other words, it is unable to wake up from its sleep and further resume operations.

How To Fix “The System Firmware Has Changed The Processor’s Memory Type Range Registers”?

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When it comes to fixing “The System Firmware Has Changed The Processor’s Memory Type Range Registers” there are a few tricks you can try to solve this issue. But before going into many complex solutions, we recommend you first try some basic troubleshooting tricks and see if they work for you. Then we can dive into much more advanced approaches.

Basic Troubleshooting

Try Alternative Keys:

There are various ways to do this. You can use one of the following to try making your computer come out of hibernation mode.

  1. You can try to press the SLEEP keyboard shortcut, i.e.  Alt + F4 if you use the Windows operating system.
  2. Likewise, you can press the standard key on the keyboard.
  3. Furthermore, you can quickly press the power button on the computer. Sometimes it helps.

Verify Your Device Has Required Permissions:

Sometimes the device connected to your computer does not have the required permissions to wake your computer. This often creates problems like these. To solve this, you must provide the device with the required permissions.

Follow these procedures to address the problem:

  • Step 1: You first need to open the Keyboard control panel. You can do so by simply Searching the Word “Keyboard” in the search box and then selecting windows the‘ keyboard control panel.
  • Step 2: The next step is to click the Hardware tab, and then click Properties.
  • Step 3: Now click the Change Settings button
  • Step 4: After this, click the Power Management tab, and then verify that to allow this device to wake, the computer is enabled.
  • Step 5: Click OK, and then click OK again.

After following these steps, you should be able to grant the required permissions.

Advanced Troubleshooting

If none of the basic troubleshooting methods work, then we recommend you to try these advanced troubleshooting methods and see which one works for you.

Run Power Troubleshooter:

When none of the basic methods works, then there is a higher possibility that the power supply might be compromised. Which in turn is resulting in this situation. If this is the problem with you, then we highly recommend you try running Power Troubleshooter.

Follow these steps to get started

  • Step 1: Press ‘Windows + W’ key on the keyboard.
  • Step 2: The next step is to type ‘Troubleshooting’  in the search box, and then press Enter.
  • Step 3: Now click on ‘System and Security
  • Step 4: After this, click on Power next to run the troubleshooter.

Uninstall And Reinstall The Display Card Drivers:

When it is not the power supply that is compromised. Then there is a higher possibility that your display drivers may be the real culprit behind this situation. To solve this, we recommend you try uninstalling and then reinstalling your display card drivers. Follow the procedures given below to do it in a much simpler way.

To Uninstall Display Card Driver

  • Step 1: First move your mouse cursor to the bottom left corner and right-click on the ‘Start icon
  • Step 2: The next step is to select ‘device manager’.
  • Step 3: Now expand the ‘Display adapter’.
  • Step 4: After this, right-click on it and select ‘uninstall’.

After this, the uninstallation process will begin.

To Install Display Card Driver

  • Step 1: The first step is to download the display drivers from the manufacturer’s website.
  • Step 2: The next step is to open the .exe file.
  • Step 3: After running the .exe file, you need to verify the installation
  • Step 4: To do this, first open the Device Manager
  • Step 5: Now press on the Windows key on your keyboard and start typing Device Manager.
  • Step 6: After this, double-click on Display Adapters and click the Intel Graphics device.
  • Step 7: Click the Driver tab and verify that the Driver Version and Driver Date are correct.

Turn Off Fast Startup:

Another very common reason behind this issue is the Fast startup option being enabled. However, this is quite easy to deal with. If this is the reason, then we strongly recommend you turn it off. If you don’t know how to do it.

Here are the steps to take

  • Step 1: First, press Windows Key + W, type “Shutdown Settings”
  • Step 2: Next step is to click on the “Settings” icon on the right of the screen.
  • Step 3: Now click on “Change what the power buttons do” on the left of the screen.
  • Step 4: Click “Change settings that are not currently available”
  • Step 5: Now, scroll to the bottom of the Dialog box.
  • Step 6: Uncheck the box titled “Turn on fast startup (recommended).”
  • Step 7: Click the “Save Changes” button and Exit Power Options Dialog box.

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Frequently Asked Questions (FAQs)

1.) What Is System Firmware In Device Manager?

System firmware is responsible for delivering crucial boot and runtime functions to the system as a whole. System firmware usually works in tandem with a device driver to allow the operating system to expose the device to OS-level services and applications.

2.) What Are Processor’s Memory Type Range Registers?

Memory type range registers (MTRRs) are a group of processor supplemental capability control registers that give system software control over how the CPU caches memory range accesses.

It makes use of a collection of programmable model-specific registers (MSRs), which are unique registers found in most current processors. Uncached, write-through, write-combining, write-protect, and write-back are all possible memory range access techniques.

Writes are written to the CPU’s cache in write-back mode, and the cache is designated dirty so that its contents can be written to memory later.

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