PC turns on after Shut down


asturias7

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I've done everything there is to do to avoid this happening, but it's now been 3 times in the past couple of days that my desktop has turned back on after Shut down. All the boxes are ticked off from anything that can cause this to happen, etc, etc. Now what I'm trying to do is modify some things in Task Scheduler, but I keep getting a popup asking for a password. Does anyone know how to avoid being asked for a password? Also, are there other ways to avoid my PC starting up after Shut down? Thanks for any suggestions.
 

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firas465

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1 Do You have a restart Button ? it might be stuck
2 if you forgot password go to account and set up pin then do the same thing and it will ask you for pin instead of password

My Thoughts
 

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glasskuter

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After a total power off shut down....or after sleep? It can definitely wake up on its own from sleep but I've never heard of a computer powering itself on from a complete shut down.
 

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GCG1000

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As a suggestion, check to see if any third-party driver have been installed. I had a similar problem with a WDC driver. I simply uninstalled it, and the problem was fixed. Good Luck.
 

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Winuser

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asturias7

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Thanks folks, will try your suggestions ASAP. And yes, it occurs after a complete shut down.
Will keep you updated.
 

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WAI

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Too me in the past it was a psu issue for several of friends I helped. I had to replace or just re-sit the connectors by unplug/plug back in
 

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glasskuter

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If you shut it down using the power switch and it immediately boots back up, You might also make sure that the switch is not defective. That would not be the case if there is a time lapse between shut down and bootup though. Try shutting it down through the power menu. Does it happen then?
 

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System One System Two

  • OS
    Windows 11 Pro 22H2 22621.382
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell Optiplex 7080
    CPU
    i9-10900 10 core 20 threads
    Motherboard
    DELL 0J37VM
    Memory
    32 gb
    Graphics Card(s)
    none-Intel UHD Graphics 630
    Sound Card
    Integrated Realtek
    Monitor(s) Displays
    Benq 27
    Screen Resolution
    2560x1440
    Hard Drives
    256 m.2 2230-256+1 tb hdd
    PSU
    500w
    Case
    MT
    Cooling
    Dell Premium
    Keyboard
    Logitech wired
    Mouse
    Logitech wireless
    Internet Speed
    so slow I'm too embarrassed to tell
    Browser
    Firefox
    Antivirus
    Defender+MWB Premium
  • Operating System
    Windows 10 Pro 21H2
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell Optiplex 9020
    CPU
    i7-4770
    Memory
    24 gb
    Monitor(s) Displays
    Benq 27
    Screen Resolution
    2560x1440
    Hard Drives
    256 gb Toshiba BG4 M.2 NVE SSB and 1 tb hdd
    PSU
    500w
    Case
    MT
    Cooling
    Dell factory
    Mouse
    Logitech wireless
    Keyboard
    Logitech wired
    Internet Speed
    still not telling
    Browser
    Firefox
    Antivirus
    Defender+MWB Premium

TechnoMage2021

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Some very good suggestions, I'm sure, but.....I take a little different tack...
First off, I've never understood why MS insisted on making a simple thing like "Shutdown" such a complicated process. ???
How about just a One Click Shutdown? Simple! You can make your own.
Right click on an open space on your desktop, and on the contest menu click on NEW, then click on Shortcut in the open text box, type in:
%windir%\System32\shutdown.exe /s /t 0

Enter. This will become your new Shutdown shortcut. It's designed to use the Windows Shutdown.exe command, with the /t 0 switch, to tell the command to "Terminate" all running programs in Zero seconds.
It is also good practice to just CLOSE any programs that you have opened, before you shut down your PC.

Note the spaces toward the end of the command.....they are REQUIRED!
I've been setting up this Quick Shutdown shortcut for all my customers for years, since Windows 98, and they all loved it.
If you leave the shortcut on your desktop, it will take two clicks of the mouse to run it, BUT, if you just copy it to the Taskbar, it will only require ONE Click to perform your Quick Shutdown. I've seen some people put the shortcut icon up in a corner of their desktop so they won't click it by mistake. I like mine right nest to the START button. Yes, I run the "Classic Shell" so I DO have a START button. ;-)

That shuts down Windows and hopefully the PC, but there are still certain conditions that may cause your PC to re-start. Arggg!
To prevent that, plug your PC and everything attached to it, like External Speakers, into a Power Strip with an ON/OFF switch, and after you see and hear your PC shut down, turn off the Power Strip. Now, nothing can turn on your PC till YOU turn it ON via the switch on the Power Strip.
If your bios is set up right, your computer will come ON as soon as you turn ON the Power Strip. And, you won't wear out the ON button on your PC.

After you think you've turned OFF your PC, the internal Power Supply is still ON and supplying power to the motherboard and the ON button.
Using a Power Strip, prevents that.

Good luck to you, and Happy Trails Mate!
TM :cool:
 

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asturias7

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If you shut it down using the power switch and it immediately boots back up, You might also make sure that the switch is not defective. That would not be the case if there is a time lapse between shut down and bootup though. Try shutting it down through the power menu. Does it happen then?

I always shut down via the power menu. Btw, my PC is barely a year old, so no button, switch, etc issues.

Hey TechnoMage2021, will try your suggestions ASAP.
*P.S. I've always used a power strip. (y)
 
Last edited:

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asturias7

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How about just a One Click Shutdown? Simple! You can make your own.
Right click on an open space on your desktop, and on the contest menu click on NEW, then click on Shortcut in the open text box, type in:
%windir%\System32\shutdown.exe /s /t 0

Enter. This will become your new Shutdown shortcut. It's designed to use the Windows Shutdown.exe command, with the /t 0 switch, to tell the command to "Terminate" all running programs in Zero seconds.

Good luck to you, and Happy Trails Mate!
TM :cool:

This worked for me, thanks again! (y)
 

My Computer

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TechnoMage2021

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GREAT!
JFYI: Every PC and it's accessories should be on a power strip with ON/OFF switch, so it can be disconnected from the Line Power. That can keep it safe during Electrical Storms or other forces of Nature.
A UPS, (UN-interruptible power supply) with a good Surge Suppressor, like the APC, is a very good idea too.

All my own PC's, modems, routers, etc are all on UPS's. We ARE in the Lightning capital of the US, here in FL, and power outages are frequent.
And since UPS batteries are notoriously small, I connect a garden tractor battery in place of the little OEM battery. I just had to extend
the wiring to the battery.
The APC will keep the battery charged. That may not be so, with other brands of UPS.
New UPS in Place.jpg Yes, there is an In-Line fuse between the
battery and the UPS. There is surge protection inside the UPS, as well as the PanaMax Surge Suppressor at the wall.

I once took a service call on a PC where the owner had taken my advise, and bought a UPS. I decided to just check it out, and I'm glad I did.
He had the UPS plugged into the wall, as it should be. BUT, the PC was also plugged into the wall and not into the UPS. So I had to fix that, and give him a short course on the proper use of a UPS.
I've also seen installations where the PC was plugged into the UPS, but into the surge protected outlets and NOT into the Battery Backup sockets.
One more problem that I had to correct. All in a day's work.
Cheers Mates,
TM :cool:
 

My Computer

System One

  • OS
    Windows 8.1/Pro/64,,, Win-11/Pro/64
    Computer type
    PC/Desktop
    Manufacturer/Model
    Acer AX1200
    CPU
    AMD 2 Core/Athlon/64
    Motherboard
    Acer/AMD
    Memory
    Crucial, 4GB
    Graphics Card(s)
    Onboard
    Sound Card
    Onboard
    Monitor(s) Displays
    24" Acer
    Hard Drives
    Crucial SSD 500GB
    Case
    SFF Slimline
    Cooling
    OEM
    Keyboard
    eMachine, 101 key External
    Mouse
    Logitech USB Wireless
    Browser
    Firefox
    Antivirus
    Windows Defender
    Other Info
    Given to me as DEAD, and irreparable.
    I refurbished it, with a new SSD and max ram, and it's running Win-8.1 today.

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