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[SOLVED] Win 8.1 very long boot time. FIX: dism startcomponentcleanup & clean invalid device data (iobit driver Booster function)

Apologies for the delay again! Did that and also did a few more restart tests, the actual booting is currently like 1-2 minutes long on average (122 seconds last time I restarted), as good as it'll probably get. I'd consider this issue solved.
- Tezo
- Post #29
- May 26, 2023
- Forum: Windows 8 | Windows RT
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[SOLVED] Win 8.1 very long boot time. FIX: dism startcomponentcleanup & clean invalid device data (iobit driver Booster function)

Last boot was just 89 seconds according to BootRacer. I suspect clearing the invalid device data might have been what finally fixed it, but I have no way of knowing for sure. (I had like 70 entries in that)
- Tezo
- Post #27
- May 16, 2023
- Forum: Windows 8 | Windows RT
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[SOLVED] Win 8.1 very long boot time. FIX: dism startcomponentcleanup & clean invalid device data (iobit driver Booster function)

Took a bit because I had to order a drive to backup my system onto, but it worked! Restarts, shuts down, and boots quickly now. Commandline/powershell log here: Microsoft Windows [Version 6.3.9600] (c) 2013 Microsoft Corporation. All rights reserved. C:\Windows\system32>reg add...
- Tezo
- Post #25
- May 15, 2023
- Forum: Windows 8 | Windows RT
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[SOLVED] Win 8.1 very long boot time. FIX: dism startcomponentcleanup & clean invalid device data (iobit driver Booster function)

Now it's back to quick to restart, slow to boot. This time *much* slower to boot in fact, 1159 seconds per Bootracer.
- Tezo
- Post #23
- May 4, 2023
- Forum: Windows 8 | Windows RT
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[SOLVED] Win 8.1 very long boot time. FIX: dism startcomponentcleanup & clean invalid device data (iobit driver Booster function)

Apologies for the delay, had to deal with some things. No real change in shut-down/start-up after setting my paging file to 36000 MB, currently I'm in "slow to shutdown, quick to boot".
- Tezo
- Post #21
- Apr 27, 2023
- Forum: Windows 8 | Windows RT
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[SOLVED] Win 8.1 very long boot time. FIX: dism startcomponentcleanup & clean invalid device data (iobit driver Booster function)

I reinstalled Bootracer to try and see what I did that got my boot time back to 30 seconds. First normal restart with it gave me 11 minutes to restart (I decided to let it go instead of using the restart button then the usual 407 seconds to reboot.) In Event Viewer: Log Name: System...
- Tezo
- Post #19
- Apr 20, 2023
- Forum: Windows 8 | Windows RT
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[SOLVED] Win 8.1 very long boot time. FIX: dism startcomponentcleanup & clean invalid device data (iobit driver Booster function)

Back to 7 minute boot time unfortunately.
- Tezo
- Post #17
- Apr 20, 2023
- Forum: Windows 8 | Windows RT
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[SOLVED] Win 8.1 very long boot time. FIX: dism startcomponentcleanup & clean invalid device data (iobit driver Booster function)

hiberfil is indeed not there, not even as a hidden file. And alright, ran that command from an elevated prompt.
- Tezo
- Post #15
- Apr 19, 2023
- Forum: Windows 8 | Windows RT
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[SOLVED] Win 8.1 very long boot time. FIX: dism startcomponentcleanup & clean invalid device data (iobit driver Booster function)

That's something not even present in my power options even with things unhidden, and the two .bat files didn't work either. (Something I'll note more for anyone else who stumbles across this thread, is that the BOOTLOG_NOT_LOADED entries in ntbtlog (four for dxgkrnl.sys and once for...
- Tezo
- Post #13
- Apr 17, 2023
- Forum: Windows 8 | Windows RT
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[SOLVED] Win 8.1 very long boot time. FIX: dism startcomponentcleanup & clean invalid device data (iobit driver Booster function)

It seems it was already set to System managed size, I set it to again (toggle it off and on) anyway and tried two restarts to test, comp initiates the restart quickly but booting takes 6-7 minutes again.
- Tezo
- Post #11
- Apr 16, 2023
- Forum: Windows 8 | Windows RT
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[SOLVED] Win 8.1 very long boot time. FIX: dism startcomponentcleanup & clean invalid device data (iobit driver Booster function)

...Okay that's really weird. BootRacer did not tell me what program actually slowed things down either time I used it BUT after the second restart I did with it (I didn't enable startup control or anything) my boot time has decreased from some 703 seconds (per BootRacer) to around 20-40...
- Tezo
- Post #9
- Apr 15, 2023
- Forum: Windows 8 | Windows RT
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[SOLVED] Win 8.1 very long boot time. FIX: dism startcomponentcleanup & clean invalid device data (iobit driver Booster function)

Alright, definitely seems faster to boot (only 6-7 minutes) now at least though still not quite as quick as it once did.
- Tezo
- Post #7
- Apr 14, 2023
- Forum: Windows 8 | Windows RT
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[SOLVED] Win 8.1 very long boot time. FIX: dism startcomponentcleanup & clean invalid device data (iobit driver Booster function)

Alright. I tested to see whether it was faster to reboot, definitely faster but it still took about 8-9 minutes and it once took only 1 or 2 minutes.
- Tezo
- Post #5
- Apr 13, 2023
- Forum: Windows 8 | Windows RT
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[SOLVED] Win 8.1 very long boot time. FIX: dism startcomponentcleanup & clean invalid device data (iobit driver Booster function)

Alright. Both the SFCfix and the DISM step had this error.
- Tezo
- Post #3
- Apr 12, 2023
- Forum: Windows 8 | Windows RT
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[SOLVED] Win 8.1 very long boot time. FIX: dism startcomponentcleanup & clean invalid device data (iobit driver Booster function)

Booting takes 15-20 minutes on my system. SFC /scannow found nothing. Chkdsk found nothing, but I've attached the latest report anyway. Here's the most recent ntbtlog, in which I noted BOOTLOG_NOT_LOADED \SystemRoot\System32\drivers\dxgkrnl.sys and BOOTLOG_NOT_LOADED...
- Tezo
- Thread
- Mar 29, 2023
- Replies: 28
- Forum: Windows 8 | Windows RT

Tezo