rigvelaSSD not detected: BIOS, Windows or the boot list?
Is the SSD missing from BIOS, File Explorer or the boot menu? These are different problems. First establish where it is missing. If the drive contains files you need, do not accept a prompt to initialise or format it.
Checklist as text
You can select and copy this text manually. The list does not mark any checks as completed.
On this page
Does the SSD model appear in the relevant storage information page?
Does disk management see the drive even if the file browser does not?
If the drive was already in use, protect the data and investigate before making changes.
A missing boot entry does not prove that the SSD is undetected. Do not initialize or format a drive containing data you need.
Establish exactly where the drive is missing
In BIOS, inspect the connected SATA or NVMe device information rather than only Boot Priority. A drive without an operating system can be detected as hardware without appearing as a bootable option. If Windows runs from another disk, check Disk Management and Device Manager. A missing drive letter in File Explorer is not equivalent to an undetected SSD.
Record model, capacity, connection and recent changes. Identify multiple drives by model and size rather than assuming Disk 0 is the intended one. Do not delete partitions or run disk-cleaning commands while the situation is unclear.
If BIOS does not detect the device
Before inspection, shut down, disconnect mains power and follow the board's instructions for removing residual power. Do not connect internal drives while the computer is operating. Stop further starts for smoke, a burning smell or damage. Never open the PSU. With a modular supply, do not borrow an arbitrary SATA power cable from another unit.
For a SATA drive, check the data cable and power connection separately; replace them only with known-compatible alternatives. For M.2, compare seating, supported length and standoff position with the installation instructions. Do not bend the SSD or secure it using an unsuitable screw. Follow the exact product instructions for heatsinks, protective films and reinstallation.
M.2 describes a form factor, not universal support
M.2 storage can use SATA or PCIe/NVMe; similar-looking sockets need not support both. Check the specific slot for interface, lengths and CPU dependence. Do not confuse a wireless-card socket with storage.
Check the manual's lane-sharing and connector table. Installing an M.2 drive can disable specified SATA ports or affect another slot, and some restrictions depend on the processor. A drive disappearing after a second SSD is added is a useful clue. Move it only to a socket whose documented support matches the drive.
If BIOS sees the SSD but Windows does not
In Disk Management, inspect the physical disk, partitions and any volume letter. A new, empty SSD may need initial setup. First confirm its identity by model and capacity. If it ever contained files you need, a Windows request to initialise or format it is a reason to stop rather than accept the prompt.
A drive visible in BIOS but absent from Windows Setup can sometimes require the storage-controller driver for that platform. Obtain it from the motherboard or prebuilt PC support page. Do not randomly switch RAID, AHCI or VMD: changing the controller mode of an installed system can prevent booting. Record the existing mode and consult the official procedure first.
Bootability and drive health are separate questions
If the SSD is detected but will not boot, check its bootloader and boot entry. Do not reinstall Windows simply to populate a list. After moving a drive, boot mode, controller settings and encryption can matter; secure backups first.
Intermittent disappearance or read errors calls for caution. If the drive is accessible, copy important files first; irreplaceable data can justify professional recovery assistance. Manufacturer diagnostics may add information but cannot replace a backup. An SSD firmware update is not the first safe experiment for a problematic drive holding valuable files.
Check the storage plan in RigVela
Enter the exact board, CPU and each drive in RigVela. Add identical physical SSDs as separate entries. Read the detected restrictions and manual checks.
The site cannot inspect partitions, SMART, drivers or installed BIOS, or determine drive health. Verify interface support and lane sharing in the board manual for your CPU. The builder does not select partitions to format.
Quick checklist
- Missing device, volume and bootloader distinguished.
- Important files protected; formatting not used as a diagnostic test.
- Slot interface and restrictions checked against the manual.
- Controller mode not changed by guesswork.
Check the SSD and motherboard models
Add the exact models to your list and open their manufacturer pages. Follow the steps above to investigate the missing drive; the builder cannot diagnose hardware faults.
Documentation & sources
These are the documents used in this guide. Check your exact model’s specifications on its support page.