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HP 6470B BIOS OPTIONS GRAYED OUT HOW TO

HP 6470B BIOS OPTIONS GRAYED OUT HOW TO

How to restore Windows to an earlier copy.Doing so can restore the corrupt system files back to working order, hopefully fixing the grayed out icon or display option problem.

If you know roughly when the icon or display option became grayed out, you can try to restore Windows to a previous date before the issue occurred. If Windows system files are corrupt, they can cause multiple problems to occur in Windows, including display issues or interactability of the battery power icon and icon display option. Follow the steps provided on the manufacturer's website to download and install the BIOS update. You can check on the laptop manufacturer's website to see if there is an updated BIOS version available for your laptop.

Restart the laptop and see if the battery icon is now visible and no longer grayed out in the notification area on the taskbar.Īnother possible fix for the battery icon missing issue is to update the BIOS on the laptop. Actually i want to install windows 8.1 in my pc through usb n hence i need to set boot preference to usb but whenever i enter into bios,all the options/settings r greyed out.

Right-click the two devices again and select Enable.

Right-click the Microsoft AC Adapter and Microsoft ACPI-Compliant Control Method Battery devices and select the Disable option.

If the battery icon is still grayed out, proceed to the next section.

Check the notification area on the Taskbar and see if the battery icon is visible and no longer grayed out.

Verify the Microsoft AC Adapter and Microsoft ACPI-Compliant Control Method Battery devices are displayed.

Expand the Batteries section in the Device Manager.

Click the Action menu at the top of the Device Manager window and select Scan for hardware changes.If the battery icon in the system tray is missing completely and you need to enable it, see: Missing laptop battery icon in Windows.