drive d loose letter at every restart


F

fabio8v

Well-known member
Local time
4:56 PM
Posts
28
OS
w11/os catalina
Hi
I got an iMac 27 2019, under Sequoia, at beginning, I did 3 partitions, 1 for mac, 1 for windows (exfat) and 1 for data (exfat). After I installed windows 11 I can't see the drive D, I have to add manually the letter D but, everytime I restart I loose the letter, someone can help me?
 

My Computer My Computer

At a glance

w11/os catalinai7 377016 gbnvidia 710 2gb
OS
w11/os catalina
Computer type
PC/Desktop
Manufacturer/Model
assembled
CPU
i7 3770
Motherboard
gigabyte b75m d2v
Memory
16 gb
Graphics Card(s)
nvidia 710 2gb
Sound Card
on board
Monitor(s) Displays
3 x samsung 24"
Screen Resolution
1920 x 1080
Hard Drives
2x ssd 1tb samsung
Not sure, could just be a conflict with Mac OS partitions

Check Disk Management
  • Press `Win + X` and select Disk Management.
  • Locate your data partition and see if it appears without a drive letter.
  • Right-click it, select Change Drive Letter and Paths, then Assign D :.

Ensure the Partition is Set as Permanent
  • Open Command Prompt as Administrator (`Win + X` → Command Prompt (Admin) ).
  • Type each line below and press enter
  • Remember, replace X after “Select Volume” with the Data partition number of the USB

diskpart​
list volume​
select volume X (Replace X with your data partition number)​
assign letter=D​
exit​

  • Close the command window.
  • Reboot, see if D sticks
 
Last edited:

My Computers My Computers

System One System Two

  • At a glance

    Windows 11 Pro 25H2 Build 26200.8655Intel(R) Core(TM) i7-4770K CPU @ 3.50GHz32.0 GB of I forget and the box is in storage.Gigabyte nVidia GeForce GTX 1660 Super OC 6GB
    OS
    Windows 11 Pro 25H2 Build 26200.8655
    Computer type
    PC/Desktop
    Manufacturer/Model
    Sin-built 2013
    CPU
    Intel(R) Core(TM) i7-4770K CPU @ 3.50GHz
    Motherboard
    ASUS ROG Maximus VI Formula
    Memory
    32.0 GB of I forget and the box is in storage.
    Graphics Card(s)
    Gigabyte nVidia GeForce GTX 1660 Super OC 6GB
    Sound Card
    Onboard thingy
    Monitor(s) Displays
    5 x LG 25MS500-B - 1 x 24MK430H-B - 1 x Wacom Pro 22" Touch Screen Tablet
    Screen Resolution
    All over the place
    Hard Drives
    Too many to list.
    OS on Samsung 1TB 870 QVO SATA
    PSU
    Silverstone 1500
    Case
    NZXT Phantom 820 Full-Tower Case
    Cooling
    Noctua NH-D15 Elite Class Dual Tower CPU Cooler / 6 x EziDIY 120mm / 2 x Corsair 140mm somethings / 1 x 140mm Thermaltake something / 2 x 200mm Corsair.
    Keyboard
    Corsair K95 / Logitech diNovo Edge Wireless
    Mouse
    Logitech: G402 / G502 / Mx Masters / Mx Air Cordless
    Internet Speed
    2000/500Mbps
    Browser
    All sorts
    Antivirus
    Kaspersky Premium
    Other Info
    ㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
    TP-Link BE9300 WiFi 7 Bluetooth 5.4 (Archer TBE550E)
    TP-Link TX201 V1 2.5GB Lan

    Grandstream HT812 - VoIP
    ASUS DSL-AX82U - Mesh
    ASUS RT-AC68U - Mesh
    ASUS RT-BE88U Router

    Brother MFC-L2880DW Printer

    I’m on a horse.

  • At a glance

    Windows 11 Pro 25H2 Build 26200.8655Intel Core 12th Gen i5-1240P Processor (1.7 -...16GB LPDDR5 RAMIntel Iris Xe Graphics Processor
    Operating System
    Windows 11 Pro 25H2 Build 26200.8655
    Computer type
    Laptop
    Manufacturer/Model
    LENOVO Yoga 7 14IRL8 - 7i EVO OLED 14" Touchscreen i5 12 Core 16GB/512GB
    CPU
    Intel Core 12th Gen i5-1240P Processor (1.7 - 4.4GHz)
    Memory
    16GB LPDDR5 RAM
    Graphics card(s)
    Intel Iris Xe Graphics Processor
    Sound Card
    Optimized with Dolby Atmos®
    Screen Resolution
    QHD 2880 x 1800 OLED
    Hard Drives
    M.2 512GB
    Antivirus
    Defender / Malwarebytes
    Other Info
    …still on a horse.
Does it stick if you assign a different drive letter to it, like E, F or G etc
 

My Computers My Computers

System One System Two

  • At a glance

    Windows 11 Pro 25H2 Build 26200.8655Intel(R) Core(TM) i7-4770K CPU @ 3.50GHz32.0 GB of I forget and the box is in storage.Gigabyte nVidia GeForce GTX 1660 Super OC 6GB
    OS
    Windows 11 Pro 25H2 Build 26200.8655
    Computer type
    PC/Desktop
    Manufacturer/Model
    Sin-built 2013
    CPU
    Intel(R) Core(TM) i7-4770K CPU @ 3.50GHz
    Motherboard
    ASUS ROG Maximus VI Formula
    Memory
    32.0 GB of I forget and the box is in storage.
    Graphics Card(s)
    Gigabyte nVidia GeForce GTX 1660 Super OC 6GB
    Sound Card
    Onboard thingy
    Monitor(s) Displays
    5 x LG 25MS500-B - 1 x 24MK430H-B - 1 x Wacom Pro 22" Touch Screen Tablet
    Screen Resolution
    All over the place
    Hard Drives
    Too many to list.
    OS on Samsung 1TB 870 QVO SATA
    PSU
    Silverstone 1500
    Case
    NZXT Phantom 820 Full-Tower Case
    Cooling
    Noctua NH-D15 Elite Class Dual Tower CPU Cooler / 6 x EziDIY 120mm / 2 x Corsair 140mm somethings / 1 x 140mm Thermaltake something / 2 x 200mm Corsair.
    Keyboard
    Corsair K95 / Logitech diNovo Edge Wireless
    Mouse
    Logitech: G402 / G502 / Mx Masters / Mx Air Cordless
    Internet Speed
    2000/500Mbps
    Browser
    All sorts
    Antivirus
    Kaspersky Premium
    Other Info
    ㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
    TP-Link BE9300 WiFi 7 Bluetooth 5.4 (Archer TBE550E)
    TP-Link TX201 V1 2.5GB Lan

    Grandstream HT812 - VoIP
    ASUS DSL-AX82U - Mesh
    ASUS RT-AC68U - Mesh
    ASUS RT-BE88U Router

    Brother MFC-L2880DW Printer

    I’m on a horse.

  • At a glance

    Windows 11 Pro 25H2 Build 26200.8655Intel Core 12th Gen i5-1240P Processor (1.7 -...16GB LPDDR5 RAMIntel Iris Xe Graphics Processor
    Operating System
    Windows 11 Pro 25H2 Build 26200.8655
    Computer type
    Laptop
    Manufacturer/Model
    LENOVO Yoga 7 14IRL8 - 7i EVO OLED 14" Touchscreen i5 12 Core 16GB/512GB
    CPU
    Intel Core 12th Gen i5-1240P Processor (1.7 - 4.4GHz)
    Memory
    16GB LPDDR5 RAM
    Graphics card(s)
    Intel Iris Xe Graphics Processor
    Sound Card
    Optimized with Dolby Atmos®
    Screen Resolution
    QHD 2880 x 1800 OLED
    Hard Drives
    M.2 512GB
    Antivirus
    Defender / Malwarebytes
    Other Info
    …still on a horse.
well, I tried both of suggests but at the restart the drive disappears... at list volume there is:

volume 0 C ntfs partition 186 gb whole start
volume 1 exfat partition 465 gb whole hidden
volume 2 efi. partition 300 mb whole system
 

My Computer My Computer

At a glance

w11/os catalinai7 377016 gbnvidia 710 2gb
OS
w11/os catalina
Computer type
PC/Desktop
Manufacturer/Model
assembled
CPU
i7 3770
Motherboard
gigabyte b75m d2v
Memory
16 gb
Graphics Card(s)
nvidia 710 2gb
Sound Card
on board
Monitor(s) Displays
3 x samsung 24"
Screen Resolution
1920 x 1080
Hard Drives
2x ssd 1tb samsung
it seems this is the problem...drive d is hidden,,,
 

My Computer My Computer

At a glance

w11/os catalinai7 377016 gbnvidia 710 2gb
OS
w11/os catalina
Computer type
PC/Desktop
Manufacturer/Model
assembled
CPU
i7 3770
Motherboard
gigabyte b75m d2v
Memory
16 gb
Graphics Card(s)
nvidia 710 2gb
Sound Card
on board
Monitor(s) Displays
3 x samsung 24"
Screen Resolution
1920 x 1080
Hard Drives
2x ssd 1tb samsung
I can only guess that the MacOS is preventing you from assigning that Drive Letter at boot.

Google “What would MacOS be interfering with to prevent a windows drive letter assignment?”
Pick any reason.
 

My Computers My Computers

System One System Two

  • At a glance

    Windows 11 Pro 25H2 Build 26200.8655Intel(R) Core(TM) i7-4770K CPU @ 3.50GHz32.0 GB of I forget and the box is in storage.Gigabyte nVidia GeForce GTX 1660 Super OC 6GB
    OS
    Windows 11 Pro 25H2 Build 26200.8655
    Computer type
    PC/Desktop
    Manufacturer/Model
    Sin-built 2013
    CPU
    Intel(R) Core(TM) i7-4770K CPU @ 3.50GHz
    Motherboard
    ASUS ROG Maximus VI Formula
    Memory
    32.0 GB of I forget and the box is in storage.
    Graphics Card(s)
    Gigabyte nVidia GeForce GTX 1660 Super OC 6GB
    Sound Card
    Onboard thingy
    Monitor(s) Displays
    5 x LG 25MS500-B - 1 x 24MK430H-B - 1 x Wacom Pro 22" Touch Screen Tablet
    Screen Resolution
    All over the place
    Hard Drives
    Too many to list.
    OS on Samsung 1TB 870 QVO SATA
    PSU
    Silverstone 1500
    Case
    NZXT Phantom 820 Full-Tower Case
    Cooling
    Noctua NH-D15 Elite Class Dual Tower CPU Cooler / 6 x EziDIY 120mm / 2 x Corsair 140mm somethings / 1 x 140mm Thermaltake something / 2 x 200mm Corsair.
    Keyboard
    Corsair K95 / Logitech diNovo Edge Wireless
    Mouse
    Logitech: G402 / G502 / Mx Masters / Mx Air Cordless
    Internet Speed
    2000/500Mbps
    Browser
    All sorts
    Antivirus
    Kaspersky Premium
    Other Info
    ㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
    TP-Link BE9300 WiFi 7 Bluetooth 5.4 (Archer TBE550E)
    TP-Link TX201 V1 2.5GB Lan

    Grandstream HT812 - VoIP
    ASUS DSL-AX82U - Mesh
    ASUS RT-AC68U - Mesh
    ASUS RT-BE88U Router

    Brother MFC-L2880DW Printer

    I’m on a horse.

  • At a glance

    Windows 11 Pro 25H2 Build 26200.8655Intel Core 12th Gen i5-1240P Processor (1.7 -...16GB LPDDR5 RAMIntel Iris Xe Graphics Processor
    Operating System
    Windows 11 Pro 25H2 Build 26200.8655
    Computer type
    Laptop
    Manufacturer/Model
    LENOVO Yoga 7 14IRL8 - 7i EVO OLED 14" Touchscreen i5 12 Core 16GB/512GB
    CPU
    Intel Core 12th Gen i5-1240P Processor (1.7 - 4.4GHz)
    Memory
    16GB LPDDR5 RAM
    Graphics card(s)
    Intel Iris Xe Graphics Processor
    Sound Card
    Optimized with Dolby Atmos®
    Screen Resolution
    QHD 2880 x 1800 OLED
    Hard Drives
    M.2 512GB
    Antivirus
    Defender / Malwarebytes
    Other Info
    …still on a horse.
if it is macos preventing it (idk offhand as i havent researched it and never had that issue on my intel dual boot mbp)... you could just write a .bat to assign the drive letter and make it run at logon
 

My Computer My Computer

At a glance

Windows 11 Pro
OS
Windows 11 Pro
dacrone said:
if it is macos preventing it (idk offhand as i havent researched it and never had that issue on my intel dual boot mbp)... you could just write a .bat to assign the drive letter and make it run at logon
Click to expand...
right!!! My hack, my mbp and my imac mid 2011 don't have this problem
 

My Computer My Computer

At a glance

w11/os catalinai7 377016 gbnvidia 710 2gb
OS
w11/os catalina
Computer type
PC/Desktop
Manufacturer/Model
assembled
CPU
i7 3770
Motherboard
gigabyte b75m d2v
Memory
16 gb
Graphics Card(s)
nvidia 710 2gb
Sound Card
on board
Monitor(s) Displays
3 x samsung 24"
Screen Resolution
1920 x 1080
Hard Drives
2x ssd 1tb samsung
You must log in or register to reply here.

Latest Support Threads

Latest Tutorials

Back
Top Bottom