Bootmgr is missing


Local time
3:20 PM
Posts
28
OS
Windows 10
I was prompted to update to windows 11 I clicked update. Everything seemed to be normal It got to the point of restarting my computer. That update did something. In the bootup process, I get bootmgr is missing message and of course, I have seen my desktop since. I would appreciate it if someone could advise me on how to fix this. I wasn't sure if I should put this post under the general discussion category.
 

My Computer

System One

  • OS
    Windows 10
    Computer type
    PC/Desktop
    CPU
    AMD Ryzen 5 3400g
    Motherboard
    MSI - MPG X570 Gaming Plus
    Memory
    VENGEANCE® LPX 32 gigs (4 x 8)
    Graphics Card(s)
    Graphics built into the CPU
    PSU
    EVGA - W1 Series 600W ATX 12V/EPS 12V 80 Plus Power Supply
Roll back the update and then try again, unless you have an image then use that
 

My Computers

System One System Two

  • OS
    Windows 11 Pro
    Computer type
    Laptop
    Manufacturer/Model
    Alienware M18 R1
    CPU
    13th Gen Core i9 13900HX
    Memory
    32GB DDR5 @4800MHz 2x16GB
    Graphics Card(s)
    Geforce RTX 4090HX 16GB
    Sound Card
    Nvidia HD / Realtek ALC3254
    Monitor(s) Displays
    18" QHD+
    Screen Resolution
    25660 X 1600
    Hard Drives
    C: KIOXIA (Toshiba) 2TB KXG80ZNV2T04 NVMe PCIe M.2 SSD
    D: KIOXIA (Toshiba) 2TB KXG80ZNV2T04 NVMe PCIe M.2 SSD
    Case
    Dark Metallic Moon
    Keyboard
    Alienware M Series per-key AlienFX RGB
    Mouse
    Alienware AW610M
    Browser
    Chrome and Firefox
    Antivirus
    Norton
    Other Info
    Killer E3000 Ethernet Controller
    Killer Killer AX1690 Wi-Fi Network Adaptor Wi-Fi 6E
    Bluetooth 5.2
    Alienware Z01G Graphic Amplifier
  • Operating System
    Windows 11 Pro
    Computer type
    Laptop
    Manufacturer/Model
    Alienware Area 51m R2
    CPU
    10th Gen i-9 10900 K
    Memory
    32Gb Dual Channel DDR4 @ 8843MHz
    Graphics card(s)
    Nvidia RTX 2080 Super
    Sound Card
    Nvidia
    Screen Resolution
    1920 x 1080
    Hard Drives
    Hard Drive C: Samsung 2TB SSD PM981a NVMe
    Hard Drive D:Samsung 2TB SSD 970 EVO Plus
    Mouse
    Alienware 610M
    Browser
    Chrome
    Antivirus
    Norton
I take it you do not have a backup from which to recover.
On another computer, use one of the methods in the following article to create Windows 11 installation usb flash drive. Download Windows 11

Boot the computer from the bootable drive and follow this procedure to fix bootmgr missing.
 

My Computers

System One System Two

  • OS
    Windows 11 Pro 23H2 22631.3447
    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
    1tb Solidigm m.2 +256gb ssd+512 gb usb m.2 sata
    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 22H2 19045.3930
    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
Thank you both (The Hive and Glasskuter) I will try this when I get home from work and let you know how it turns out. Thank you both.
 

My Computer

System One

  • OS
    Windows 10
    Computer type
    PC/Desktop
    CPU
    AMD Ryzen 5 3400g
    Motherboard
    MSI - MPG X570 Gaming Plus
    Memory
    VENGEANCE® LPX 32 gigs (4 x 8)
    Graphics Card(s)
    Graphics built into the CPU
    PSU
    EVGA - W1 Series 600W ATX 12V/EPS 12V 80 Plus Power Supply

My Computers

System One System Two

  • OS
    Windows 11 Pro
    Computer type
    Laptop
    Manufacturer/Model
    Alienware M18 R1
    CPU
    13th Gen Core i9 13900HX
    Memory
    32GB DDR5 @4800MHz 2x16GB
    Graphics Card(s)
    Geforce RTX 4090HX 16GB
    Sound Card
    Nvidia HD / Realtek ALC3254
    Monitor(s) Displays
    18" QHD+
    Screen Resolution
    25660 X 1600
    Hard Drives
    C: KIOXIA (Toshiba) 2TB KXG80ZNV2T04 NVMe PCIe M.2 SSD
    D: KIOXIA (Toshiba) 2TB KXG80ZNV2T04 NVMe PCIe M.2 SSD
    Case
    Dark Metallic Moon
    Keyboard
    Alienware M Series per-key AlienFX RGB
    Mouse
    Alienware AW610M
    Browser
    Chrome and Firefox
    Antivirus
    Norton
    Other Info
    Killer E3000 Ethernet Controller
    Killer Killer AX1690 Wi-Fi Network Adaptor Wi-Fi 6E
    Bluetooth 5.2
    Alienware Z01G Graphic Amplifier
  • Operating System
    Windows 11 Pro
    Computer type
    Laptop
    Manufacturer/Model
    Alienware Area 51m R2
    CPU
    10th Gen i-9 10900 K
    Memory
    32Gb Dual Channel DDR4 @ 8843MHz
    Graphics card(s)
    Nvidia RTX 2080 Super
    Sound Card
    Nvidia
    Screen Resolution
    1920 x 1080
    Hard Drives
    Hard Drive C: Samsung 2TB SSD PM981a NVMe
    Hard Drive D:Samsung 2TB SSD 970 EVO Plus
    Mouse
    Alienware 610M
    Browser
    Chrome
    Antivirus
    Norton
@Marshall Moore More than likely, at the splash screen your can hit f12 to enter boot options where you can select the boot usb drive. If f12 doesn't work try ESC.
 

My Computers

System One System Two

  • OS
    Windows 11 Pro 23H2 22631.3447
    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
    1tb Solidigm m.2 +256gb ssd+512 gb usb m.2 sata
    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 22H2 19045.3930
    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
I believe I can get into BIOS. My approach is to double-check that the boot order is correct. If that works great! If not I have made a bootable Windows 11 USB with Windows Media Creation Tool. I will try to get into WinRe and try troubleshooting from there. I have been working all day I don't feel like getting into a possible 3-hour ordeal right now. I will let you know how it turns out. I will mark this thread solved when it is solved. I am going to fix it one way or another. Like, take it to a PC repair shop. I want to try first, but I am not going to beat myself up over it and get stressed out lol.
 

My Computer

System One

  • OS
    Windows 10
    Computer type
    PC/Desktop
    CPU
    AMD Ryzen 5 3400g
    Motherboard
    MSI - MPG X570 Gaming Plus
    Memory
    VENGEANCE® LPX 32 gigs (4 x 8)
    Graphics Card(s)
    Graphics built into the CPU
    PSU
    EVGA - W1 Series 600W ATX 12V/EPS 12V 80 Plus Power Supply
Boot order should have "windows boot manager" first if using uefi. Good luck.
 

My Computers

System One System Two

  • OS
    Windows 11 Pro 23H2 22631.3447
    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
    1tb Solidigm m.2 +256gb ssd+512 gb usb m.2 sata
    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 22H2 19045.3930
    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
 

My Computer

System One

  • OS
    Windows 11
    Computer type
    PC/Desktop
    Manufacturer/Model
    MSI Motherboard
    CPU
    AMD RYZEN 7
    Motherboard
    MSI
    Memory
    32 GB
    Graphics Card(s)
    EVGA GEFORCE 3060 TI
    Sound Card
    Realtek
    Monitor(s) Displays
    2 HP 24 inch
    Screen Resolution
    1600 x 1280
    Hard Drives
    M.2 and SSD 2 TB total
    PSU
    REDRAGON 1000watt
    Case
    Microcenter
    Cooling
    watercooled
    Keyboard
    steel Gauges
    Mouse
    Logitech
    Internet Speed
    1 Gigabit
    Browser
    chrome
    Antivirus
    Kaspersky
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