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Latitude 5310 KP on sleep (Sleep Wake Failure in EFI)


scram69
Go to solution Solved by hidematu5310,

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I did pmset restoredefaults again, and added your SSDT-S3 from the above post ("deepsleep_off").

I also disabled Low Power S0 Idle Capability in BIOS as you recommended:

>setup_var.efi 0x14 0x0 -n Setup

 

Using hibernatemode 25 the machine now hibernates with no battery discharge, and I can wake from the power button.

 

Thank you again for your work solving sleep for this model!

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On 6/15/2024 at 9:43 PM, hidematu5310 said:

Update 3:

hibernatemode 3 battery drain test for 1 hour.

Set standbydelay to about 5 minutes(300).


100% -> 98%

 

Update 4:

Fixed a potential problem where trackpad would stop working after rebooting from Windows or after Wake.

 

Update 5:

probably fixed instant wake on AC

recommended to add darkwake=0

 

SSDT-S3_upd5.zip 819 B · 1 download

 

I tried the "update 5" SSDT, but would get a wake on AC that triggered the Dell Diagnostic menu to run a test on the hard drive, causing the fan to spin at full speed.

"Update 2" SSDT still works for hibernatemode 25 (direct to hibernate), but for hibernatemode 3, I get video glitches after S3 sleep.

 

Would it be possible for you to re-post update 3?  Thanks!

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Try removing darkwake=x and changing it to hbfx-ahbm=129 and adding igfxfw=2.

 

If it does not work, remove this part of ssdt and test.

Name (SLTP, Zero)
Method (_TTS, 1, NotSerialized) // _TTS: Transition To State
{
    SLTP = Arg0
    If ((PWRS == Zero)){}
}

 

If it still does not work, try enable S3 as shown in the second image below.

 

 

ACPI Sleep State S3 (Suspend to RAM):

setup_var_cv Setup 0x6A5 0x1 0x2

 

S3 Video Repost:

setup_var_cv Setup 0x6A8 0x1 0x1

 

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