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Solved How do I reinstall Windows 8.1 with an installation media but not lose any files?

zzpzz

New Member
So a couple of days ago I combined my Windows 8.1 and Ubuntu partitions together. Apparently, Ubuntu still requires that same partition to be used, therefore the computer will launch grub rescue when started up, but the drive still contains Windows OS data and my Windows files on it. So, would it be possible to reinstall Windows 8.1 without launching the installed OS and also keep my files and programs?
 

My Computer

System One

  • OS
    Windows 8.1
    Computer type
    PC/Desktop

Brink

Administrator
Administrator
mvp
Hello zzpzz, and welcome to Eight Forums. :)

You could do a repair install of Windows 8.1 using the method in the tutorial below to reinstall Windows 8.1 without losing anything.

 

My Computer

System One

  • OS
    64-bit Windows 10
    Computer type
    PC/Desktop
    System Manufacturer/Model
    Custom self built
    CPU
    Intel i7-8700K OC'd to 5 GHz
    Motherboard
    ASUS ROG Maximus XI Formula Z390
    Memory
    16 GB (8GBx2) G.SKILL TridentZ DDR4 3200 MHz
    Graphics Card(s)
    ASUS ROG-STRIX-GTX1080TI-O11G-GAMING
    Sound Card
    Integrated Digital Audio (S/PDIF)
    Monitor(s) Displays
    2 x Samsung Odyssey G7 27"
    Screen Resolution
    2560x1440
    Hard Drives
    1TB Samsung 970 EVO Plus M.2,
    250GB Samsung 960 EVO M.2,
    6TB WD Black WD6001FZWX
    8TB WD MyCloudEX2Ultra NAS
    PSU
    OCZ Series Gold OCZZ1000M 1000W
    Case
    Thermaltake Core P3
    Cooling
    Corsair Hydro H115i
    Keyboard
    Logitech wireless K800
    Mouse
    Logitech MX Master 3
    Internet Speed
    1 Gb/s Download and 35 Mb/s Upload
    Browser
    Internet Explorer 11
    Antivirus
    Malwarebyte Anti-Malware Premium
    Other Info
    Logitech Z625 speaker system,
    Logitech BRIO 4K Pro webcam,
    HP Color LaserJet Pro MFP M477fdn,
    Linksys EA9500 router,
    Arris SB8200 cable modem,
    APC SMART-UPS RT 1000 XL - SURT1000XLI,
    Lumia 1520 phone

zzpzz

New Member
Hello zzpzz, and welcome to Eight Forums. :)

You could do a repair install of Windows 8.1 using the method in the tutorial below to reinstall Windows 8.1 without losing anything.

Thanks for the reply, but choosing the upgrade option brings me to this.1612725327019.png
I am unable to access the computer's installed Windows OS as it will automatically take me to grub rescue upon restart. If it helps, I used EasyBCD to dual boot Windows and Ubuntu on seperate partitions.
 

My Computer

System One

  • OS
    Windows 8.1
    Computer type
    PC/Desktop

Brink

Administrator
Administrator
mvp
Ah, that's why. You will have to be able to run Windows Setup from within Windows to do a repair install. It cannot be done at boot. Otherwise, it would basically be clean install.

There's also the issue of Grub and the dual boot with Ubuntu which I'm not familiar enough to help on that part.

Are you able to backup anything you do not want to lose if you did have to do a clean install?
 

My Computer

System One

  • OS
    64-bit Windows 10
    Computer type
    PC/Desktop
    System Manufacturer/Model
    Custom self built
    CPU
    Intel i7-8700K OC'd to 5 GHz
    Motherboard
    ASUS ROG Maximus XI Formula Z390
    Memory
    16 GB (8GBx2) G.SKILL TridentZ DDR4 3200 MHz
    Graphics Card(s)
    ASUS ROG-STRIX-GTX1080TI-O11G-GAMING
    Sound Card
    Integrated Digital Audio (S/PDIF)
    Monitor(s) Displays
    2 x Samsung Odyssey G7 27"
    Screen Resolution
    2560x1440
    Hard Drives
    1TB Samsung 970 EVO Plus M.2,
    250GB Samsung 960 EVO M.2,
    6TB WD Black WD6001FZWX
    8TB WD MyCloudEX2Ultra NAS
    PSU
    OCZ Series Gold OCZZ1000M 1000W
    Case
    Thermaltake Core P3
    Cooling
    Corsair Hydro H115i
    Keyboard
    Logitech wireless K800
    Mouse
    Logitech MX Master 3
    Internet Speed
    1 Gb/s Download and 35 Mb/s Upload
    Browser
    Internet Explorer 11
    Antivirus
    Malwarebyte Anti-Malware Premium
    Other Info
    Logitech Z625 speaker system,
    Logitech BRIO 4K Pro webcam,
    HP Color LaserJet Pro MFP M477fdn,
    Linksys EA9500 router,
    Arris SB8200 cable modem,
    APC SMART-UPS RT 1000 XL - SURT1000XLI,
    Lumia 1520 phone

zzpzz

New Member
Ah, that's why. You will have to be able to run Windows Setup from within Windows to do a repair install. It cannot be done at boot. Otherwise, it would basically be clean install.

There's also the issue of Grub and the dual boot with Ubuntu which I'm not familiar enough to help on that part.

Are you able to backup anything you do not want to lose if you did have to do a clean install?
Turns out, I was able to fix it by resetting the MBR. Thanks for your help though! 😃
 

My Computer

System One

  • OS
    Windows 8.1
    Computer type
    PC/Desktop

Brink

Administrator
Administrator
mvp
Great news.
 

My Computer

System One

  • OS
    64-bit Windows 10
    Computer type
    PC/Desktop
    System Manufacturer/Model
    Custom self built
    CPU
    Intel i7-8700K OC'd to 5 GHz
    Motherboard
    ASUS ROG Maximus XI Formula Z390
    Memory
    16 GB (8GBx2) G.SKILL TridentZ DDR4 3200 MHz
    Graphics Card(s)
    ASUS ROG-STRIX-GTX1080TI-O11G-GAMING
    Sound Card
    Integrated Digital Audio (S/PDIF)
    Monitor(s) Displays
    2 x Samsung Odyssey G7 27"
    Screen Resolution
    2560x1440
    Hard Drives
    1TB Samsung 970 EVO Plus M.2,
    250GB Samsung 960 EVO M.2,
    6TB WD Black WD6001FZWX
    8TB WD MyCloudEX2Ultra NAS
    PSU
    OCZ Series Gold OCZZ1000M 1000W
    Case
    Thermaltake Core P3
    Cooling
    Corsair Hydro H115i
    Keyboard
    Logitech wireless K800
    Mouse
    Logitech MX Master 3
    Internet Speed
    1 Gb/s Download and 35 Mb/s Upload
    Browser
    Internet Explorer 11
    Antivirus
    Malwarebyte Anti-Malware Premium
    Other Info
    Logitech Z625 speaker system,
    Logitech BRIO 4K Pro webcam,
    HP Color LaserJet Pro MFP M477fdn,
    Linksys EA9500 router,
    Arris SB8200 cable modem,
    APC SMART-UPS RT 1000 XL - SURT1000XLI,
    Lumia 1520 phone

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