Battery

Microsoft finally fixed two known issues acknowledged over five months ago, causing higher than normal battery drain and update installation failure issues on Windows 10 devices.

Update the device driver. In the search box on the taskbar, enter device manager, then select Device Manager. Select a category to see names of devices, then right-click (or press and hold) the one you’d like to update. Select Search automatically for updated driver software. Select Update Driver. Download Microsoft Smart Battery for Windows to battery driver. Download Microsoft Smart Battery for Windows to battery driver. Join or Sign In. Sign in to add and modify your software. The Microsoft ACPI Control Method Battery Driver service is a kernel mode driver. If Microsoft ACPI Control Method Battery Driver fails to start, the error is logged. Windows 10 startup proceeds, but a message box is displayed informing you that the CmBatt service has failed to start. Structures A battery typically has a pair of drivers: the generic battery class driver that Microsoft provides, and a miniclass driver written specifically for that individual type of battery. The class driver defines the overall functionality of the batteries in the system and interacts with the power manager.

The first one affected both client and server Windows 10, version 1903 platforms, while the second addressed issue impacted Windows 10, version 1903 and Windows 10, version 1809 client platforms.

These two known issues were resolved on the same day Windows 10 November 2019 Update started rolling out (also known as Windows 10, version 1909) with bug fixes and feature improvements.

The company also released the November 2019 security updates designed to address 74 vulnerabilities, 13 of them being classified as Critical. The November 2019 Patch Tuesday also fixed an actively exploited critical remote code execution (RCE) vulnerability found in Internet Explorer.

No more battery drains, safeguard removed

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Microsoft fixed a known issue impacting a range of Intel Display Audio device drivers (versions 10.25.0.3 through 10.25.0.8) that was found to be causing problems leading to higher than normal battery drain on devices running Windows 10 1903 and Windows 10 1809.

'If you see an intcdaud.sys notification or 'What needs your attention' notification when trying to update to Windows 10, version 1903, you have an affected Intel Audio Display device driver installed on your machine,' said Microsoft in an update acknowledging the issue on the Windows 10 Health Dashboard in May.

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At the time, Microsoft also put in place a new compatibility hold to block the Windows 10 May 2019 Update from being offered until users have installed updated device drivers as a preventative measure against any issues stemming from incompatible Intel Display Audio device drivers.

This known issue causing abnormal battery drain on Windows 10 devices with Intel Display Audio device drivers has now been resolved with updated drivers from Intel or the devices' manufacturers (OEMs).

Microsoft also removed the safeguard hold today, allowing customers to update to the latest Windows 10 version available through Windows Update.

Updates no longer failing to install

Microsoft initially confirmed in an update to the Windows 10 Health Dashboard from August that they were working to fix an issue causing updates to fail to install and displaying 'Error 0x80073701' for users who tried to install v1903 updates.

While users started reporting the side effects of this known issue the August 2019 Patch Tuesday updates, Redmond said at the time that the problem was known since May, with some users already having reported update problems after applying the KB4497935 cumulative update released on May 29.

Today, Microsoft updated the known issue's status, tagging it as 'Resolved' and stating that it 'has been resolved for most users.'

Users who are still receiving 'Updates Failed. There were problems installing some updates, but we'll try again later' messages when attempting to install updates from Windows Update, as well as 0x80073701 and 0x800f0988 errors, are advised to check for updates again.

If that will not solve the issue, Microsoft recommends the following workaround procedure as mitigation:

  1. Select the start button and type cmd
  2. Right-click or long-press on Command Prompt and select Run as administrator.
  3. If you receive a User Access Control (UAC) dialog for Windows Command Processor stating, 'Do you want to allow this app to make changes to your device?', select Yes.
  4. Type or copy and paste the following command into the Command Prompt window:
    dism /online /cleanup-image /startcomponentcleanup
  5. Wait for the command to complete.
  6. Restart your device.
  7. Try checking for updates again.
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Still active Windows 10 1903 safeguard holds

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Right now there are only four compatibility holds left blocking some devices to upgrade to Windows 10, version 1903:

• Unable to discover or connect to Bluetooth devices using some Realtek adapters (Mitigated)
• Safeguard on certain devices with some Intel and Broadcom Wi-Fi adapters (Resolved)
• Intermittent loss of Wi-Fi connectivity (Mitigated)
• AMD RAID driver incompatibility (on for older AMD RAID drivers)

To make sure that a Windows device is compatible with the latest Windows 10 version, users should first read the Windows Processor Requirements and the Windows 10 System Requirements.

Microsoft also provides information on how Windows 10 customers can troubleshoot update problems and fix Windows Update errors.

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