
Summary
The ACPI Wake Alarm driver plays a vital role in handling power events in Windows systems.
An operating system enabled with this driver will be allowed to wake up automatically from sleep or hibernation at the appropriate time, should it be scheduled for this, hence promoting power efficiency and supporting scheduled tasks.
The ACPI Wake Alarm is especially useful for users who need their systems to power on or wake up for maintenance tasks, updates, or to complete scheduled operations.
Usage:
This driver interacts with the BIOS/UEFI settings to control timed wake-up events, allowing Windows to schedule system wake-up from low-power states.
It is perfect for companies or any user that may want computers turned on at specific times without their intervention.
This is quite handy in situations like overnight updates of software, backups, and even remote access.
Summary Table
| Feature | ACPI Wake Alarm Driver |
|---|---|
| Compatibility | Windows 7, Windows 8, Windows 10, Windows 11 |
| Main Purpose | Controls automatic wake-up events from sleep or hibernation |
| Key Benefits | Energy efficiency, scheduled wake-up for maintenance tasks |
| Recommended Usage | Systems requiring automated power management |
| Common Issues | Compatibility may vary by motherboard and BIOS/UEFI settings |
| You can find a more detailed description of ACPI Wake Alarm in our library. |
Read also about other popular Drivers:
Bluetooth LE Generic Attribute Service driver
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FAQs
For what does an ACPI Wake Alarm driver serve?
The OS is also capable of automatically waking itself up from sleep or hibernation after a certain amount of time.
Is this driver indispensable to be present in each system running Windows?
It is mainly needed on systems that have events scheduled to wake the PC up for things such as update or maintenance tasks.
Can I uninstall the ACPI Wake Alarm driver?
You can uninstall it, which simply turns off scheduled wake functions, but the system can still wake up manually.
How do I set the wake-up time?
Through BIOS/UEFI or system settings, depending on your hardware.
Why does my system not wake up at all on schedule?
Make sure, via Device Manager, that the driver is installed and updated, and check BIOS/UEFI settings to verify wake support.





