Problemini iMac

[angiolo]

Ciao a tutti, ho un iMac da 27 pollici fine 2015. Ogni tanto non sempre, noto che si riavvia da solo, non so quantificare le volte, ma non tantissime, ho salvato il messaggio di errore che mi appare, qualcuno mi aiuterebbe a decifrarlo? Vi ringrazio

 

Sleep Wake failure in EFI

Failure code:: 0x00000000 0x0000001f

Please IGNORE the below stackshot

================================================================
Date/Time:        2021-09-24 07:25:37.575 +0200
OS Version:       ??? ??? (Build ???)
Architecture:     x86_64
Report Version:   32

Data Source:      Stackshots
Shared Cache:     0781246A-4850-3632-8FD5-CCB70AA8F9B8 slid base address 0x7fff2009c000, slide 0x9c000

Event:            Sleep Wake Failure
Duration:         0.00s
Steps:            1

Time Awake Since Boot: 103s

Process:          swd [315]
Architecture:     x86_64
Footprint:        348 KB
Time Since Fork:  1s
Num samples:      1 (1)

  Thread 0x8e5    1 sample (1)    priority 4 (base 4)
  <thread QoS background (requested background), thread darwinbg, process darwinbg, IO tier 2>
  1  start + 1 (libdyld.dylib + 89917) [0x7fff203c5f3d] 1
    1  ??? [0x1009f4454] 1
      1  ??? [0x1009f41e8] 1
        1  __stack_snapshot_with_config + 10 (libsystem_kernel.dylib + 146966) [0x7fff20397e16] 1
         *1  ??? [0xffffff80002331f6] 1
           *1  ??? [0xffffff8000940dae] 1
             *1  ??? [0xffffff800084bf01] 1
               *1  ??? [0xffffff800025651f] 1
                 *1  ??? [0xffffff800028d84d] (running) 1

  Binary Images:
        0x7fff20374000 -     0x7fff203a3fff  libsystem_kernel.dylib (7195.101.1) <A78F60F4-ABD5-3646-93F9-1F1109C4552D>  /usr/lib/system/libsystem_kernel.dylib
        0x7fff203b0000 -     0x7fff203ebfff  libdyld.dylib (851.27)              <9F95C644-D1BD-38D9-9612-6188FE9EA53C>  /usr/lib/system/libdyld.dylib
Model: iMac17,1, BootROM 429.100.7.0.0, 4 processors, Quad-Core Intel Core i5, 3,2 GHz, 8 GB, SMC 2.33f12
Graphics: kHW_AMDRadeonR9M380Item, AMD Radeon R9 M380, spdisplays_pcie_device, 2 GB
Memory Module: BANK 0/DIMM0, 4 GB, DDR3, 1867 MHz, 0x80AD, 0x484D54343531533642465238412D52442020
Memory Module: BANK 1/DIMM0, 4 GB, DDR3, 1867 MHz, 0x80AD, 0x484D54343531533642465238412D52442020
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x14A), Broadcom BCM43xx 1.0 (7.77.111.1 AirPortDriverBrcmNIC-1680.7)
Bluetooth: Version 8.0.4d18, 3 services, 27 devices, 1 incoming serial ports
Network Service: Wi-Fi, AirPort, en1
Serial ATA Device: APPLE HDD ST1000DM003, 1 TB
USB Device: USB 3.0 Bus
USB Device: Bluetooth USB Host Controller
USB Device: FaceTime HD Camera (Built-in)
USB Device: Usb KeyBoard
Thunderbolt Bus: iMac, Apple Inc., 28.1