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faby1992

Lenovo X220 - DW1510 prevents shutdown and sleep

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My Lenovo X220 with Catalina 10.15.4 works pretty well but shutdown results in a reboot and instantly wake up from sleep.
If I disable Wireless card on bios (DW1510) the problem disappear.
If I enable "Wake for network access" in Energy Saver and AC power is plugged in, the sleep works.
I think the problem is something about power management but I didn't find a solution ūüėē

EFI and kext are the same of this repository: https://github.com/x-t/x220-catalina-efi

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Extract tables with F4 key in Clover boot screen, boot into system and run this app
https://www.olarila.com/files/Utils/RunMe.app.zip
https://www.youtube.com/watch?v=k9wmIfGLe3A

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14 minutes ago, faby1992 said:

Done, thanks in advance for your help!

use it, reboot and extract new send_me, but extract with ioreg

DSDT.aml.zip

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Check if boot is fine

DSDT.aml.zip

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1 hour ago, faby1992 said:

Whit this boot is fine, sleep continues to work, shutdown no and pc remains very slow

generate ssdt for power management

dont wait good perfomance in catalina with ur hardware

the last system with support for ur hardware is high sierra

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49 minutes ago, MaLd0n said:

generate ssdt for power management

dont wait good perfomance in catalina with ur hardware

the last system with support for ur hardware is high sierra

yes i know, but with the¬†previous DSDT is more or less as high sierra, with this i have to wait 5 second to open finder, something not working correctly. I tried also with a new generated ssdt but not change ūüėē

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