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Windows 8.1 Pro x64 UEFI very slow boot and shutdown

Ever since I upgraded to Windows 8.1 via the in-store update my PC takes a good 3-4 minutes to boot!!! I am on a GA-X79-UD3 + i7-3820 + Samsung SSD 840 for system drive. I have updated all my drivers to Windows 8.1 compatible ones and still. I have checked via Samsung Magician and the drive is using AHCI mode on (Intel PCH) Sata 3 6Gb/s.  I have tried restoring my UEFI to default settings and enabling Fast Boot but still?? On Windows 8 it would boot in 5 seconds....

EDIT: Have tried Safe Boot and Clean Boot, still same
EDIT2: Will any Microsoft guy chime in?

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I am experiencing the same issue with boot time. 

I have an older Dell Inspirion with an HDD that was running Windows 8 64-bit with just under a minute boot time. 

After upgrading through the Store I get two minutes plus which is really irritating. 

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I too upgraded through windows store and facing the same problem. My system is dell xps 15z, i7, 8gb. In windows 8 it was hardly 30 seconds. Now its taking more than 2 mins to boot. Any solution microsoft?

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Same issue after upgrading windows 8 to 8.1 booting and shutting down very slow, before was couple seconds.

First day after upgrade was running good, today is very bad.

Also clean the windows  old files, is that makes any difference?

MSI GE70, I7 4700MQ 2,4GHz , 12GB memory, HD 256GB Plextor PX-256M5M.

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Same problem - 3 mins to shut down - constant disc activity - never had this with W8.0 - what a waste of time this upgrade is.

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With windows 8 I don't have any problem. Now with windows 8.1 I have problems when I boot and shutdown the computer.

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Hi, I had the same issue. Today I reflashed my BIOS with the latest version (same version as before) to fix a USB 3.0 problem I had after upgrading to Windows 8.1. Both the USB and the slow boot problems are now gone. It may be Worth a try.

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Forgot to mentionned. I have a HP Pavillion DV 7 Intel(R) Core(TM) i7-3610QM CPU @ 2.30GHz with 8 G of RAM. Running Windows 8.1 Professionnel avec Media Center 64 bits .

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Flashed BIOS, no improvement :(

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This morning I did a reboot and it took 2 minutes to shutdown and 3 minutes to restart (( back with the long boot problem. I tried to see in the task manager what could be slowing down. I ran ccleaner, superantispyware, then did a shutdown, it took 5 seconds and when i started the PC it took about 30 seconds, it never booted that fast. The slow boot problem seems to be random in my case. Continue to do more investigation.

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I have a "new" HP Envy and the startup is fine but the shutdown takes about 4 minutes.  Have run also run ccleaner and superantispyware and the shutdown was fine for one time but then went back to the 4 minute shutdown.  Also tried reinstalling a couple of the programs to see if that helped.  Nothing.

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Last updated July 18, 2023 Views 47,473 Applies to: