Question Regarding DISM and bootrec command

Jun 5, 2025
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Hello all,
I have several inquires please :
I wanted to check any potential issues with Bootloader and bootsectors (bootrec and chkdsk /f or chkdsk /r needed)
for checking FileSystems issues (I ran sfc /scannow and DISM and SMART through software)
for checking Registry issues I haven't been running Windows memory diagnostic yet.

1---I ran DISM command, I can't remember what problem did I have , but booting slowly while I power on my laptop , this is a result :
DISM.png

2.png


Is it necessary to solve it?Should I type : Dism /Online /Cleanup-Image /RestoreHealth ?


2-Could running the following command, if unnecessary, harm the operating system or system?
Code:
bootrec /scanos
bootrec /fixmbr
bootrec /fixboot
bootrec /rebuildbcd

thank you
 
slow boot usually isn't a bcd issue, it boots up or if something is wrong, it won't boot

the dism command you entered is just wrong, search for error 87
run cmd as admin

run memtest
run the tool of hdd/ssd manufacturer to check it

is it a ssd or hdd?
which laptop model are you using?

did you alter any windows settings regarding shutdown or restart options

which apps are loading automatically while Windows boots up

is the 1st boot in bios the windows boot manager or something else
 
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is it a ssd or hdd?
Hello and thanks for your response , it's HDD and I put the SMART in one of my post , regardless of its age it working smoothly .
which laptop model are you using?
N55S ASUS , core i7-2630QM
did you alter any windows settings regarding shutdown or restart options
Yes , unchecked fast boot from control panel (power option) ,
but one time it took significant time to shutdown , last night it took 3 hours to return to normal state from Windows Getting Ready "Don't turn of your computer) after trying several times to get lastest update (problem with installing cumulative update ) , restart takes more than usual .
which apps are loading automatically while Windows boots up
Should I check in msconfig.exe ?in Win 10 I disabled most of them .
is the 1st boot in bios the windows boot manager or something else
First boot is Win 10 , by default
 

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