HP 15s-eq2039nb doesn't wake up anymore from sleep with 16GB RAM

[r3b0rn80]

Hello everyone,
I bought this laptop on 21/08/2021 and it has been running great since then.
Until I did upgrade the RAM from 1x8GB with a kit of 2x8GB DDR4 3200.
The kit has been recommended by the Crucial website : Micron Technology CT8G4SFRA32A.C16FH

Before doing so, I also made sure to upgrade the bios to the latest version (F35 from 23/09/2024).
I also run Windows 10 Enterprise LTSC x64 version 21H2 Build 19044.5854.
I did run memtest for 10 passes and no errors did show up.
The laptop runs perfectly, no BSOD while using it (surfing, encoding movies or even playing some games like Dark Souls 3).
It just won't wake up anymore when it goes to deep sleep. I have to do a hard reset with the power button.
The laptop comes with an AMD Ryzen 3 5300U which officially supports a maximum of 16GB.
My feelings is HP didn't test that board with 16GB as those entry level laptops with Ryzen 3 mostly ship with 8GB only.
I guess a bios update would improve the behavior of the computer.
Is it possible to have a look at it ?
Thanks in advance !

[Max3Aj]

@r3b0rn80, Welcome to HP Support Community. 

Thank you for posting your query, I will be glad to help you. 
 

From what you've described, the laptop works flawlessly under load (gaming, encoding, etc.) and passes MemTest86, which strongly suggests that the RAM kit is indeed compatible at a hardware level. However, the inability to wake from deep sleep (S3/S4) typically points to a power management or firmware issue, particularly when third-party RAM is introduced.

Update AMD Chipset Drivers

Ensure you have the latest AMD chipset drivers, as they include power management support for sleep and resume states.

Download the latest AMD Chipset Drivers for Ryzen 5300U (AMD official)

After installing, reboot the system.

Adjust Sleep Power Settings in Windows

• Windows 10 LTSC may default to S3 sleep, which can have compatibility issues with certain RAM configurations.
• Press Win + X → Power Options
• Click Additional power settings
• Next to your active plan, click Change plan settings
• Click Change advanced power settings
• Expand Sleep > Allow hybrid sleep → Set to Off
• Expand PCI Express > Link State Power Management → Set to Off

Disable Modern Standby (if applicable)

Some HP laptops implement Modern Standby (S0ix), which behaves differently from traditional S3 sleep.

You can check if Modern Standby is enabled:

• Open Command Prompt as Administrator and run: 
  powercfg /a
• If you see "Standby (S0 Low Power Idle)", you're using Modern Standby.
• Disabling it requires UEFI-level changes and may not always be possible, but it's worth checking your BIOS Setup (F10 on startup) for a setting like "S3 Mode" or "Sleep State" and toggling it (if available).

Try XMP/Memory Training Reset

Sometimes, after installing new RAM, BIOS may not properly train the RAM voltage/timings for sleep/resume transitions.

• Power down the laptop
• Remove both RAM sticks
• Hold the power button for 30 seconds (drain residual power)
• Reinstall RAM and boot into BIOS (F10) → Hit F9 to load BIOS defaults, then F10 to save and exit

Optional Test

Try installing only one 8GB Crucial stick in slot 1, then test sleep/wake behavior. If it works, test the other stick. If both pass individually, but not in dual-channel config, this further points to a BIOS-level optimization issue, not faulty RAM.

I hope this helps. 

Take care and have a good day. 

Please click “Accepted Solution” if you feel my post solved your issue, it will help others find the solution. Select "Yes" on the bottom left to say “Thanks” for helping! 

Max3Aj

HP Support 

[r3b0rn80]

Hello Max3Aj and thank you for those precious informations.

- I did update the drivers using the link you provided : no improvement

- Curiously, the power options doesn't show hybrid sleep (and same for the PCIe power management tab)

- Powercfg did confirm the laptop is using Modern Standby (S0ix)

- There is no option to change sleep mode in the BIOS

- I then updated to the latest BIOS version F.36 (04/22/2025) and it still doesn't show any option regarding the sleep modes.
I need to test each RAM modules in the slot 1 and, given the laptop's design, it will be time consuming.
Will come back to you when it's done.

Thanks again for your support !

[Hawks_Eye]

@r3b0rn80 

Max3Aj is away for now; however, I'm Hawks_Eye, and I'll be happy to help you out!

Thanks for the detailed breakdown—you’ve clearly done your homework, and I can imagine how exhausting it must be to hit a wall after trying so many smart steps. Let’s keep the momentum going and see if we can nudge this issue toward resolution.

Here’s what I’d suggest next, based on recommended practices and the behavior you’re seeing:

🧪 Additional Steps to Try

1. Test RAM Modules Individually (as you mentioned)

• Yes, it’s a bit of a hassle with the laptop’s design, but isolating each stick in slot 1 is a solid diagnostic move.
• If both work fine alone but fail together, it strongly suggests a firmware-level limitation with dual-channel sleep state transitions.

2. Check for HP UEFI Diagnostics Update

• Restart the laptop and press Esc repeatedly, then F2 to enter HP Hardware Diagnostics.
• From there, run a System Test > Extensive Test and check if any memory or board-level issues are flagged.
• Also, visit HP’s support page and search your model to ensure the HP PC Hardware Diagnostics UEFI tool is up to date.

3. Disable Fast Startup (Windows Feature)

• Go to Control Panel > Power Options > Choose what the power buttons do.
• Click Change settings that are currently unavailable, then uncheck Turn on fast startup.
• This can sometimes interfere with resume behavior, especially on systems using Modern Standby.

4. Try a Clean Boot

• Run msconfig, go to the Services tab, check Hide all Microsoft services, then click Disable all.
• Under the Startup tab, open Task Manager and disable all startup items.
• Reboot and test sleep/wake. If it works, a background service or driver might be interfering.

I know it’s not ideal to be the one doing all the legwork when the system was working fine before the upgrade. But your methodical approach is exactly what makes these kinds of issues solvable. 

Let’s keep at it—when you’re done testing the RAM sticks individually, I’ll be right here to help interpret the results and plan the next move.

Regards,

Hawks_Eye