How to Fix BIOS Error and Boot Loop on HP Pavilion Notebook

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If you’re having trouble booting into Windows and suspect it’s related to an ACPI driver issue, there’s a helpful solution that might work. Some users have found that hiding the ACPI setting in the BIOS can prevent Windows from seeing the ACPI hardware, which in turn stops the missing driver error and allows Windows to start properly.

Here’s what you can do:

1. Restart your computer and enter the BIOS or UEFI settings. Usually, this involves pressing a key like F2, F10, or Delete during startup—check your laptop’s manual if you’re unsure.

2. Look for an option related to power management or hardware features. Find the setting labeled “ACPI” or “Advanced Configuration and Power Interface.”

3. Change this setting from “Enabled” to “Hidden” or “Disabled.” Be cautious—changing BIOS settings can affect your system, so if you’re unsure, consider seeking help from a professional.

4. Save your BIOS changes and restart your computer.

This workaround can sometimes bypass the problem that prevents Windows from booting due to missing ACPI drivers.

If you want a more permanent fix or if this method doesn’t work, you’ll need to find the hardware ID of the missing ACPI device and search for the proper driver.

To do this:

– Open Device Manager (you can do this by right-clicking the Start button and selecting Device Manager).

– Look for any devices listed with a yellow warning icon, especially under “System Devices” or similar categories.

– Right-click on the affected device and select “Properties.”

– Go to the “Details” tab.

– Under the “Property” dropdown menu, select “Hardware Ids.”

– You will see strings of text starting with “ACPI” or similar. These are the hardware IDs.

Once you have that ID, you can search online for drivers specifically for that device. Sometimes, you can find compatible drivers from other laptop models or from the manufacturer’s website.

Remember, if you’re uncomfortable doing these steps, it’s a good idea to reach out to HP support or a qualified technician for assistance.