Self HelpBoise Computer Care

Blue screen & error codes

INACCESSIBLE_BOOT_DEVICE and 'No bootable device'

INACCESSIBLE_BOOT_DEVICE or 'No bootable device'? Check boot order and SATA mode, try Startup Repair, and protect your data if the drive fails.

Difficulty
Advanced
Time
20-60 min
Steps
6
Updated

Sounds like this?

  • INACCESSIBLE_BOOT_DEVICE stop code at startup
  • 'No bootable device found'
  • 'Boot device not found - 3F0'
  • Started after BIOS change or update

Step by step

  1. Unplug all USB drives and SD cards and restart.
  2. Enter BIOS/UEFI setup (often F2, Del, F10, or F1 at power-on) and check that your internal drive is listed. Note its name.
  3. If you recently changed the SATA mode (AHCI/RAID/Intel RST) or reset the BIOS, set it back to what it was and save.
  4. Make sure Windows Boot Manager is first in boot order.
  5. Boot to Windows Recovery and try Startup Repair.
  6. If it began after an update, use Windows Recovery › Uninstall Updates.

Related error codes & messages

Quick answers

When should I stop and get professional help with "INACCESSIBLE_BOOT_DEVICE and 'No bootable device'"?

Stop and get help if: The internal drive is not listed in the BIOS. The PC clicks, beeps, or shows SMART errors. You see the HP '3F0' or similar 'hard drive not found' code. Your files aren't backed up. Stop here and let a pro recover them first. Boise Computer Care can diagnose it for a $60 fee; call 208-996-3508.

How long does this fix take and how hard is it?

Plan on 20-60 min. Difficulty: Advanced.

Is it safe to try this myself?

Mostly, if you follow these precautions: This can mean a failing drive. Do not run repeated repairs or resets if your files aren't backed up. Don't change BIOS settings you don't understand. Write down anything you change so you can undo it.

Which error messages or codes does this guide cover?

INACCESSIBLE_BOOT_DEVICE, 0x0000007B, No bootable device, Boot device not found 3F0, 0xc000000e.

Still stuck?

Ask Fyx365 AI

Describe the problem in plain English and get guided, step-by-step help. Start on the free plan; Pro is $9.99/month. BCC is an official Fyx365 partner.

Still stuck? Ask Fyx365 AI (free plan)

Want a pro?

Book a repair at BCC

  • Diagnostic$60
  • Shop repairs$100/hr
  • On-site$100/hr + $100 visit

10504 W Fairview Ave, Boise ID · Fri–Wed 10 AM–8 PM · Closed Thursday

Book a repair at BCCCall 208-996-3508

Related guides

  1. Blue screen & error codes Blue screen (or black screen) stop code: what it means Blue or black screen with a sad face and 'Your device ran into a problem' Medium20-60 minMEMORY_MANAGEMENTIRQL_NOT_LESS_OR_EQUALPAGE_FAULT_IN_NONPAGED_AREA
  2. Blue screen & error codes CRITICAL_PROCESS_DIED and SYSTEM_SERVICE_EXCEPTION CRITICAL_PROCESS_DIED on the crash screen Medium30-60 minCRITICAL_PROCESS_DIED0x000000EFSYSTEM_SERVICE_EXCEPTION
  3. Blue screen & error codes IRQL_NOT_LESS_OR_EQUAL and DRIVER_IRQL errors Crash screen shows IRQL_NOT_LESS_OR_EQUAL or DRIVER_IRQL_NOT_LESS_OR_EQUAL Medium20-60 minIRQL_NOT_LESS_OR_EQUALDRIVER_IRQL_NOT_LESS_OR_EQUAL0x0000000A
  4. Blue screen & error codes MEMORY_MANAGEMENT stop code (0x0000001A) Crash screen says MEMORY_MANAGEMENT Medium30-90 minMEMORY_MANAGEMENT0x0000001A0x1A