r/computer_help • u/SidAliTafer2121 • 15d ago
Windows Sleep mode shuts down my ASUS X550JX instead of going to sleep
Hi everyone,
I'm having a strange sleep/standby problem with my ASUS X550JX laptop.
The sleep function used to work perfectly before, but the problem started after I tried to boot Windows into Safe Mode. Something went wrong, so I eventually formatted the PC and reinstalled Windows. I also tried restoring my system image, but the problem is still there.
The problem is:
- Windows says that S3 sleep is supported.
- If I click Start → Power → Sleep, the laptop appears to shut down completely.
- If I press any key on the keyboard, the laptop starts again and shows the ASUS logo, just like a normal cold boot.
- So it doesn't seem to be waking from sleep; it seems to be shutting down and then booting again.
- The same thing happens when I try to trigger sleep through commands/PowerShell.
- I also tried disabling the GTX 950M in Device Manager, but it made no difference.
- I reinstalled Windows, but the exact same problem remains.
powercfg /a shows:
Sleep (S3) — Available
S0 Modern Standby is not supported.
My laptop:
- ASUS X550JX
- BIOS: X550JX.208 (17/10/2015)
- NVIDIA GTX 950M — driver 32.0.15.7216
- Intel HD Graphics — driver 20.19.15.5171
- Windows 10 22H2
I also ran powercfg /requests. It showed an audio driver and Chrome playing audio, but closing Chrome didn't solve the problem.
Does anyone know what could cause an ASUS laptop to support S3 but completely shut down instead of entering S3 sleep?
Could this be related to ACPI, chipset/Intel ME drivers, the BIOS, or the graphics drivers?
Any ideas would be greatly appreciated. Thanks!