Windows automatically goes into sleep mode if you leave it alone for a while. You can have your Windows 10 device up and running with a simple mouse click or by pressing a key on your keyboard. But in some cases, users complain that their computer does not wake up from hibernation, forcing the user to restart / reset it. They display an error status: 0xC000009A. Apply these simple solutions to fix the problem quickly.
Fix - 1 Change the power settings
Changing the power settings should fix this problem.
1. Pressing the button Windows key With 'R'can log in to run window.
2. In that run window, type "cmd". Then press'Ctrl + Shift + Enter'together.
3. To view the available sleep states, type this powercfg command and press Log in.
4. Now, you need to run this simple code to run this code to identify the wake timer information.
powercfg / waketimers
5. To find out what your device was last booted, run this command:
powercfg / lastwake
6. Finally, to identify the list of devices that can wake the system from sleep, copy paste this single line, and it hits Log in.
powercfg / devicequery wake_armed
You can find out what caused the problem in the first place. Uninstalling and reinstalling the same would help you solve the problem.
Many users have discovered that Intel Management Engine (IMEI) interface is the main culprit of this problem.
Fix - 2 Uninstall and Reinstall IMEI
Some users have complained Intel Management Engine (IMEI) interface has woken your computers.
1. Press the button Windows key With 'X'key.
2. Then click on "Device administrator".
3. Now click on "System devices".
4. Hence, the right mouse button on him "Intel Management Engine interface"And then click"Uninstall device".
5. Next, click on “Uninstall"option.
After uninstalling the controller IMEI file, close the window and restart the device.
After the reboot, everything will be fine.
Some users also acknowledged that 'IDE SATA AHCI controller' caused this error on your devices. You can uninstall it and restart your device (following the method above) or roll back the driver.
Steps to reset AHCI SATA controller-
1. Open the Device Administrator file again.
2. Expand “IDE ATA / ATAPI controller“Entering Device Administrator.
3. Double click on him "Controller SATA AHCI".
4. Go to “driverEyelash ". Then click on "Recoil controller".
The driver will be restored to your computer.
Fix - 3 Set the legacy BIOS mode
1. At first, you need to click the Search box and then type "change advanced startup options".
2. Now click on "change advanced startup options".
3. Click on "Restart now“Option, below Advanced startup setting,
4. The next thing to do is click on "Solve problems".
5. Next, choose "Advanced options".
6. When the Advanced Options window opens, click "UEFI firmware settings".
7. Then click on "Restart“To restart the computer in the BIOS setup.
8. When the computer starts up, press the "To remove"* on the keyboard to open the BIOS setup on the computer.
* NOTE- Typically, this key varies from manufacturer to manufacturer. These are the varieties of keys
Esc, F1, F2, F10, F11, F12 or Elimination
9. When the BIOS file opens the configuration, go to "Boot“Tab with the arrow key.
10. Next, go to "Starting list option”Using the keyboard, then press Log in.
11. Then choose "Legacy“From the list and then press Log in select BIOS backward compatible mode.
12. Now press "F10“To save the settings on your computer.
13. Next, select "Yup“To save and finally exit the BIOS setup on the computer.
Your computer will restart.
After restarting, put your computer to sleep and try to wake it up. It will work properly.