Solved SSD Dissappears after waking up from sleep.


What about changing the hard disk sleep time to never in Power Settings? Go to Control Panel, change view from grouped to large icons, then open Power Settings. Click to edit your current power plan. Find the hard disk sleep timer and reduce it to 0 (never). Probably you can also do it from modern Settings, but I am more familiar with the "traditional" Control Panel.
 

My Computers

System One System Two

  • OS
    Windows 11 Pro 23H2 (5699), 25H2 (8457)
    Computer type
    Laptop
    Manufacturer/Model
    Acer Extensa 5630EZ
    CPU
    Mobile DualCore Intel Core 2 Duo T7250, 2000 MHz
    Motherboard
    Acer Extensa 5630
    Memory
    4GB
    Graphics Card(s)
    Mobile Intel(R) GMA 4500M (Mobile 4 series)
    Sound Card
    Realtek ALC268 @ Intel 82801IB ICH9 - High Definition Audio Controller
    Monitor(s) Displays
    1
    Screen Resolution
    1280x800
    Hard Drives
    Samsung SSD 850 EVO 250GB SATA Device (250 GB, SATA-III)
    Internet Speed
    VDSL 50 Mbps
    Browser
    MICROSOFT EDGE
    Antivirus
    WINDOWS DEFENDER
    Other Info
    Legacy MBR installation, no TPM, no Secure Boot, no WDDM 2.0 graphics drivers, no SSE4.2, cannot get more unsupported ;) This is only my test laptop. I had installed Windows 11 here before upgrading my main PC. For my main PC I use everyday see my 2nd system specs.
  • Operating System
    Windows 11 Pro v25H2 (build 26200.8457)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Custom-built PC
    CPU
    Intel Core-i7 3770 3.40GHz s1155 (3rd generation)
    Motherboard
    Asus P8H61 s1155 ATX
    Memory
    2x Kingston Hyper-X Blu 8GB DDR3-1600
    Graphics card(s)
    GIGABYTE GeForce RTX 3050 WINDFORCE OC V2 6GB (GV-N3050WF2OCV2-6GD)
    Sound Card
    Realtek HD audio (ALC887)
    Monitor(s) Displays
    Sony Bravia KDL-19L4000 19" LCD TV via VGA
    Screen Resolution
    1440x900 32-bit 60Hz
    Hard Drives
    WD Blue SA510 2.5 1000GB SSD as system disk, Western Digital Caviar Purple 4TB SATA III (WD40PURZ) as second
    PSU
    Thermaltake Litepower RGB 550W Full Wired
    Case
    SUPERCASE MIDI-TOWER
    Cooling
    Deepcool Gamma Archer CPU cooler, 1x 8cm fan at the back
    Keyboard
    Mitsumi 101-key PS/2
    Mouse
    Sunnyline OptiEye PS/2
    Internet Speed
    100Mbps
    Browser
    Microsoft Edge, Mozilla Firefox
    Antivirus
    Microsoft Windows Defender
    Other Info
    Legacy BIOS (MBR) installation, no TPM, no Secure Boot, WDDM 3.0 graphics drivers, WEI score 7.4
spapakons said:
What about changing the hard disk sleep time to never in Power Settings? Go to Control Panel, change view from grouped to large icons, then open Power Settings. Click to edit your current power plan. Find the hard disk sleep timer and reduce it to 0 (never). Probably you can also do it from modern Settings, but I am more familiar with the "traditional" Control Panel.
Click to expand...
Tried it, didn't work.
 

My Computer

System One

  • OS
    Windows 11
    Computer type
    Laptop
When did this problem start?

Denis
 

My Computer

System One

  • OS
    Windows 11 Home x64 Version 25H2 Build 26200.8037
Try3 said:
When did this problem start?

Denis
Click to expand...
When i changed to a new pc. I tried to figure out the problem by switching ssd slots. But that didn't work. If i don't find the problem i will send it back.
 

My Computer

System One

  • OS
    Windows 11
    Computer type
    Laptop
1. Power Management Adjustments
  • Go into Device Manager → Disk Drives → [Your SSD] → Properties → Policies and ensure that “Enable write caching” is set correctly. Sometimes toggling this can stabilize wake behavior.
  • In Control Panel → Power Options → Advanced Settings, expand PCI Express → Link State Power Management and set it to Off. NVMe drives often misbehave when aggressive power saving is enabled.
  • Also under Advanced Settings, check Hard disk → Turn off hard disk after and set it to Never (0 minutes). This was suggested in the forum, but make sure it’s applied to both battery and plugged-in profiles if you’re on a laptop.

2. BIOS / Firmware
  • Double-check that the SSD is on the latest firmware from the manufacturer’s site, not just Windows Update.
  • In BIOS, disable Fast Boot and, if available, try toggling NVMe power saving or ASP (Autonomous Power State Transition). Some boards have hidden options that directly affect SSD resume stability.

3. Driver Layer
  • Instead of relying on Microsoft’s default NVMe driver, install the vendor-specific NVMe driver (Samsung, WD, Intel, etc.) if available. These often handle sleep/wake transitions more gracefully.
  • Update chipset drivers from your motherboard manufacturer, not just Windows Update.

4. System Settings
  • Run powercfg -h off in an elevated Command Prompt to disable hibernation. This forces the system to use pure sleep states and can sometimes prevent SSD dropouts.
  • If the issue persists, try switching from Modern Standby (S0ix) to Legacy S3 sleep in BIOS (if supported). Many SSDs are more stable under S3.

5. Testing
  • If you have another system, test the SSD there. If the same issue occurs, it points to a firmware/drive-level quirk.
  • If it only happens on your current machine, it’s likely a BIOS or power management conflict.

Check these steps and tell us the result.
 

My Computers

System One System Two

  • OS
    Windows 11 Pro 25H2
    Computer type
    Laptop
    Manufacturer/Model
    Huawei MateBook D15
    CPU
    Ryzen 5 3500U
    Memory
    8GB
    Graphics Card(s)
    Vega 8
    Screen Resolution
    FHD
    Hard Drives
    256GB Samsung SSD + 1TB HDD
    Browser
    Microsoft Edge
    Antivirus
    ESET Smart Security Premium
  • Operating System
    Windows 10 Enterprise LTSC 21H2
    Computer type
    Laptop
    Manufacturer/Model
    MSI GS73 6RF Stealth Pro
    CPU
    intel core i7 6700HQ
    Memory
    16GB
    Graphics card(s)
    Nvidia Geforce GTX1060 (6GB)
    Screen Resolution
    FHD
    Hard Drives
    128GB SSD + 1TB HDD
    Browser
    Microsoft Edge
    Antivirus
    Windows Defender
In power settings you can set drives to never sleep while keep all other power settings as default.
 

My Computer

System One

  • OS
    Win11
    Computer type
    PC/Desktop
    Manufacturer/Model
    Mine 1.5
    CPU
    7800X3D
    Motherboard
    ASUS B650 Tuf with wifi.
    Memory
    32gb G.Skill
    Graphics Card(s)
    4070 Ti Super
    Monitor(s) Displays
    1x Nixeus NX_EDG27, 2x Dell S2440L (16:9)
    Screen Resolution
    1440p
    Hard Drives
    C:\NVME (500GB), D:\Seagate (2TB), E:\ & F:\ SSD 990EVO (1TB)
    PSU
    Corsair HX1000i
    Case
    Phanteks Enthoo Primo w/10 140mm SP Fans
    Cooling
    Artic TF2 420
    Keyboard
    Corsair 1000
    Mouse
    Steel Series Prime Wireless
    Internet Speed
    20 MB/s
    Browser
    Firefox 64
    Antivirus
    not telling!
    Other Info
    https://i.imgur.com/aoz3vWY.jpg?2
Sheikh said:
1. Power Management Adjustments
  • Go into Device Manager → Disk Drives → [Your SSD] → Properties → Policies and ensure that “Enable write caching” is set correctly. Sometimes toggling this can stabilize wake behavior.
  • In Control Panel → Power Options → Advanced Settings, expand PCI Express → Link State Power Management and set it to Off. NVMe drives often misbehave when aggressive power saving is enabled.
  • Also under Advanced Settings, check Hard disk → Turn off hard disk after and set it to Never (0 minutes). This was suggested in the forum, but make sure it’s applied to both battery and plugged-in profiles if you’re on a laptop.

2. BIOS / Firmware
  • Double-check that the SSD is on the latest firmware from the manufacturer’s site, not just Windows Update.
  • In BIOS, disable Fast Boot and, if available, try toggling NVMe power saving or ASP (Autonomous Power State Transition). Some boards have hidden options that directly affect SSD resume stability.

3. Driver Layer
  • Instead of relying on Microsoft’s default NVMe driver, install the vendor-specific NVMe driver (Samsung, WD, Intel, etc.) if available. These often handle sleep/wake transitions more gracefully.
  • Update chipset drivers from your motherboard manufacturer, not just Windows Update.

4. System Settings
  • Run powercfg -h off in an elevated Command Prompt to disable hibernation. This forces the system to use pure sleep states and can sometimes prevent SSD dropouts.
  • If the issue persists, try switching from Modern Standby (S0ix) to Legacy S3 sleep in BIOS (if supported). Many SSDs are more stable under S3.

5. Testing
  • If you have another system, test the SSD there. If the same issue occurs, it points to a firmware/drive-level quirk.
  • If it only happens on your current machine, it’s likely a BIOS or power management conflict.

Check these steps and tell us the result.
Click to expand...
I don't know how it's worked but it helped. I'll try sleep mode again. If it works, I'll mark it as solved. Thank you.
 

My Computer

System One

  • OS
    Windows 11
    Computer type
    Laptop

My Computers

System One System Two

  • OS
    Windows 11 Pro 25H2
    Computer type
    Laptop
    Manufacturer/Model
    Huawei MateBook D15
    CPU
    Ryzen 5 3500U
    Memory
    8GB
    Graphics Card(s)
    Vega 8
    Screen Resolution
    FHD
    Hard Drives
    256GB Samsung SSD + 1TB HDD
    Browser
    Microsoft Edge
    Antivirus
    ESET Smart Security Premium
  • Operating System
    Windows 10 Enterprise LTSC 21H2
    Computer type
    Laptop
    Manufacturer/Model
    MSI GS73 6RF Stealth Pro
    CPU
    intel core i7 6700HQ
    Memory
    16GB
    Graphics card(s)
    Nvidia Geforce GTX1060 (6GB)
    Screen Resolution
    FHD
    Hard Drives
    128GB SSD + 1TB HDD
    Browser
    Microsoft Edge
    Antivirus
    Windows Defender
Vada said:
Probably changing the default NVMe driver to Samsung's driver has fixed my problem.
Click to expand...
Alright! You're welcome.

@Brink give me 1 million dollars :alien:
 

My Computers

System One System Two

  • OS
    Windows 11 Pro 25H2
    Computer type
    Laptop
    Manufacturer/Model
    Huawei MateBook D15
    CPU
    Ryzen 5 3500U
    Memory
    8GB
    Graphics Card(s)
    Vega 8
    Screen Resolution
    FHD
    Hard Drives
    256GB Samsung SSD + 1TB HDD
    Browser
    Microsoft Edge
    Antivirus
    ESET Smart Security Premium
  • Operating System
    Windows 10 Enterprise LTSC 21H2
    Computer type
    Laptop
    Manufacturer/Model
    MSI GS73 6RF Stealth Pro
    CPU
    intel core i7 6700HQ
    Memory
    16GB
    Graphics card(s)
    Nvidia Geforce GTX1060 (6GB)
    Screen Resolution
    FHD
    Hard Drives
    128GB SSD + 1TB HDD
    Browser
    Microsoft Edge
    Antivirus
    Windows Defender
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