PC sometimes not seeing boot drive


larc919

larc919

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Location
Raleigh, NC, USA
OS
Windows 11 Pro
An older PC running Windows 11 Insider Beta channel occasionally can't find the boot drive, but it usually starts with no problem after a shutdown (not a restart). The motherboard is ASUS Prime Z390-A, CPU is Intel i7-9700 and there is 16GB of ADATA Gammix DDR4 memory. The boot/system drive is a newish 1TB TeamGroup T-Force G50 NVMe. Any ideas what could be causing this? It never happened with the previous NVMe, a 250GB Samsung 970 EVO. The obvious first answer might be a problem with the TeamGroup NVMe, but I suspect it's more likely to be something else. My Insider DEV PC with an identical TeamGroup NVMe doesn't have any problems.
 

My Computer My Computer

At a glance

Windows 11 ProIntel Core Ultra 265KTeamGroup T-Force Vulcan DDR5 6400MHz 32GBMSI GeForce RTX 3050
OS
Windows 11 Pro
Computer type
PC/Desktop
Manufacturer/Model
Self Build
CPU
Intel Core Ultra 265K
Motherboard
Gigabyte Z890 AOROS Elite
Memory
TeamGroup T-Force Vulcan DDR5 6400MHz 32GB
Graphics Card(s)
MSI GeForce RTX 3050
Sound Card
GPU NVIDIA High Definition Audio via HDMI to Denon AVR-S670BT Receiver
Monitor(s) Displays
LG 32UN650 32" 4k
Screen Resolution
3840x2160 @ 60Hz (175% scaling)
Hard Drives
Samsung 980 Pro NVMe 1TB x2
PSU
Corsair RM850x
Case
be quiet! Pure Base 600
Cooling
Thermalright Phantom Spirit 120SE & be quiet! Silent Wings Pro x3 case fans
Keyboard
Arteck Backlit USB Wired
Mouse
Logitech M510
Internet Speed
500Mb down/12Mb up
Browser
Firefox & Edge
Antivirus
Windows Defender & Free MBAM
Other Info
Main PC
Are you having this problem with Windows update? DRIVES DISAPPEARING UNDER HEAVY LOAD

Note the thread mentions heavy load but some people have found the problem can happen anytime.
 

My Computers My Computers

System One System Two

  • At a glance

    Windows 11 Pro 25H2 (26200.6901)AMD Ryzen 7 6800H with Radeon 680M GPU (486MB...Crucial DDR5-4800 (2400MHz) 32GB (2 x 16GB)NVIDIA RTX 3060 Laptop (6GB RAM)
    OS
    Windows 11 Pro 25H2 (26200.6901)
    Computer type
    Laptop
    Manufacturer/Model
    ASUS TUF Gaming A15 (2022)
    CPU
    AMD Ryzen 7 6800H with Radeon 680M GPU (486MB RAM)
    Memory
    Crucial DDR5-4800 (2400MHz) 32GB (2 x 16GB)
    Graphics Card(s)
    NVIDIA RTX 3060 Laptop (6GB RAM)
    Sound Card
    n/a
    Monitor(s) Displays
    15.6-inch
    Screen Resolution
    1920x1080 300Hz
    Hard Drives
    2 x Samsung 990 Evo Plus (2TB M.2 NVME SSD)
    PSU
    n/a
    Mouse
    Wireless Mouse M510
    Internet Speed
    2100Mbps/300Mbps
    Browser
    Firefox
    Antivirus
    Malwarebytes

  • At a glance

    Windows 11 Pro 25H2 (26200.8246)AMD Ryzen 7 5700X3DG.SKILL Flare X 32GB (2x16GB) DDR4ASUS ROG-STRIX-RTX3060TI-08G-V2-GAMING (RTX 3...
    Operating System
    Windows 11 Pro 25H2 (26200.8246)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Custom build
    CPU
    AMD Ryzen 7 5700X3D
    Motherboard
    ASUS ROG Strix B550-F Gaming WiFi II
    Memory
    G.SKILL Flare X 32GB (2x16GB) DDR4
    Graphics card(s)
    ASUS ROG-STRIX-RTX3060TI-08G-V2-GAMING (RTX 3060-Ti, 8GB RAM)
    Monitor(s) Displays
    Samsung G50D IPS 27"
    Screen Resolution
    1440p/180Hz
    Hard Drives
    SAMSUNG 990 EVO Plus (2TB] M.2 NVME SSD
    SAMSUNG 990 EVO Plus (4TB) M.2 NVME SSD
    PSU
    Corsair RM750x (750 watts)
    Case
    Cooler Master MasterCase 5
    Cooling
    Scythe Mugen 6
    Keyboard
    Logitech K520 (MK540 keyboard/mouse combo)
    Mouse
    Logitech M310 (MK540 keyboard/mouse combo)
    Internet Speed
    2100 Mbps down / 300 Mbps up
    Browser
    Firefox, Edge, Chrome
    Antivirus
    Malwarebytes (Premium)
    Other Info
    ASUS Blu-ray Burner BW-16D1HT (SATA) || Western Digital Easystore 20TB USB 3.0 external hard drive used with Acronis True Image 2025 backup software || HP OfficeJet Pro 6975 Printer/Scanner
MisterEd said:
Are you having this problem with Windows update? DRIVES DISAPPEARING UNDER HEAVY LOAD

Note the thread mentions heavy load but some people have found the problem can happen anytime.
Click to expand...
No. This isn't happening while the computer is running, but only when I try to start it after it has been off overnight or longer. And it's not happening often. It may start OK for 10 or 12 times running before startup fails once. This started before the Windows update that has caused problems for some drives.
 

My Computer My Computer

At a glance

Windows 11 ProIntel Core Ultra 265KTeamGroup T-Force Vulcan DDR5 6400MHz 32GBMSI GeForce RTX 3050
OS
Windows 11 Pro
Computer type
PC/Desktop
Manufacturer/Model
Self Build
CPU
Intel Core Ultra 265K
Motherboard
Gigabyte Z890 AOROS Elite
Memory
TeamGroup T-Force Vulcan DDR5 6400MHz 32GB
Graphics Card(s)
MSI GeForce RTX 3050
Sound Card
GPU NVIDIA High Definition Audio via HDMI to Denon AVR-S670BT Receiver
Monitor(s) Displays
LG 32UN650 32" 4k
Screen Resolution
3840x2160 @ 60Hz (175% scaling)
Hard Drives
Samsung 980 Pro NVMe 1TB x2
PSU
Corsair RM850x
Case
be quiet! Pure Base 600
Cooling
Thermalright Phantom Spirit 120SE & be quiet! Silent Wings Pro x3 case fans
Keyboard
Arteck Backlit USB Wired
Mouse
Logitech M510
Internet Speed
500Mb down/12Mb up
Browser
Firefox & Edge
Antivirus
Windows Defender & Free MBAM
Other Info
Main PC
larc919 said:
No. This isn't happening while the computer is running, but only when I try to start it after it has been off overnight or longer. And it's not happening often. It may start OK for 10 or 12 times running before startup fails once. This started before the Windows update that has caused problems for some drives.
Click to expand...
The update problem is new enough that not all of the symptoms have been documented. I think I remember one of them where the person had to unplug the computer and then reconnect it for the drive to show up again. Of course this is easy for a desktop but not so for a laptop.
 

My Computers My Computers

System One System Two

  • At a glance

    Windows 11 Pro 25H2 (26200.6901)AMD Ryzen 7 6800H with Radeon 680M GPU (486MB...Crucial DDR5-4800 (2400MHz) 32GB (2 x 16GB)NVIDIA RTX 3060 Laptop (6GB RAM)
    OS
    Windows 11 Pro 25H2 (26200.6901)
    Computer type
    Laptop
    Manufacturer/Model
    ASUS TUF Gaming A15 (2022)
    CPU
    AMD Ryzen 7 6800H with Radeon 680M GPU (486MB RAM)
    Memory
    Crucial DDR5-4800 (2400MHz) 32GB (2 x 16GB)
    Graphics Card(s)
    NVIDIA RTX 3060 Laptop (6GB RAM)
    Sound Card
    n/a
    Monitor(s) Displays
    15.6-inch
    Screen Resolution
    1920x1080 300Hz
    Hard Drives
    2 x Samsung 990 Evo Plus (2TB M.2 NVME SSD)
    PSU
    n/a
    Mouse
    Wireless Mouse M510
    Internet Speed
    2100Mbps/300Mbps
    Browser
    Firefox
    Antivirus
    Malwarebytes

  • At a glance

    Windows 11 Pro 25H2 (26200.8246)AMD Ryzen 7 5700X3DG.SKILL Flare X 32GB (2x16GB) DDR4ASUS ROG-STRIX-RTX3060TI-08G-V2-GAMING (RTX 3...
    Operating System
    Windows 11 Pro 25H2 (26200.8246)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Custom build
    CPU
    AMD Ryzen 7 5700X3D
    Motherboard
    ASUS ROG Strix B550-F Gaming WiFi II
    Memory
    G.SKILL Flare X 32GB (2x16GB) DDR4
    Graphics card(s)
    ASUS ROG-STRIX-RTX3060TI-08G-V2-GAMING (RTX 3060-Ti, 8GB RAM)
    Monitor(s) Displays
    Samsung G50D IPS 27"
    Screen Resolution
    1440p/180Hz
    Hard Drives
    SAMSUNG 990 EVO Plus (2TB] M.2 NVME SSD
    SAMSUNG 990 EVO Plus (4TB) M.2 NVME SSD
    PSU
    Corsair RM750x (750 watts)
    Case
    Cooler Master MasterCase 5
    Cooling
    Scythe Mugen 6
    Keyboard
    Logitech K520 (MK540 keyboard/mouse combo)
    Mouse
    Logitech M310 (MK540 keyboard/mouse combo)
    Internet Speed
    2100 Mbps down / 300 Mbps up
    Browser
    Firefox, Edge, Chrome
    Antivirus
    Malwarebytes (Premium)
    Other Info
    ASUS Blu-ray Burner BW-16D1HT (SATA) || Western Digital Easystore 20TB USB 3.0 external hard drive used with Acronis True Image 2025 backup software || HP OfficeJet Pro 6975 Printer/Scanner
I had a similar problem to you... 1 of the 2 boot sectors on my NVMe drive (EFI partition) had became corrupted. It would boot most of the time but occasionally fall over.

I formatted the EFI partition and recreated the boot files.
 

My Computer My Computer

At a glance

Windows 11 Pro 25H2Intel Alder lake i7 12700K32 Gb Corsair Vengeance LPX DDR4 3200 XMP2EVGA 3070ti FTW3 Ultra Gaming & Intel Arc
OS
Windows 11 Pro 25H2
Computer type
PC/Desktop
Manufacturer/Model
My Self
CPU
Intel Alder lake i7 12700K
Motherboard
Asus z690 Gaming WiFi D4, Bios Ver 4505
Memory
32 Gb Corsair Vengeance LPX DDR4 3200 XMP2
Graphics Card(s)
EVGA 3070ti FTW3 Ultra Gaming & Intel Arc
Sound Card
Via Display port
Monitor(s) Displays
Dell AW2723DF
Screen Resolution
2560 x 1440 @ 280Hz G-Sync mode
Hard Drives
WD Black SN850 1Tb NVME (Boot Drive)
WD BLACK SN850X + Heatsink 1Tb NVME
Samsung 870 Qvo 1Tb SSD,
Pioneer DVD-RW DVR-219L
WD Black SN850x NVME 2Tb x3
PSU
Corsair RM850
Case
Phanteks Enthoo Pro M Tempered Glass
Cooling
Be Quiet Shadow Rock 3
Keyboard
Logitech G Pro
Mouse
Logitech G903, Lightspeed + Powerplay Mat
Internet Speed
900Mb/900Mb Fritz!Box 7590ax v2
Browser
Firefox
Antivirus
MS Defender
Other Info
Logitech C930e webcam
Synology DS218 play 2 x 4Tb Synology HAT3300-4T
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