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PC Says “Boot Device Not Found”: Drive, Windows or Connection?

TechRepairHub · October 28, 2026
Illustrative TechRepairHub computer buying and repair guide
Illustrative guide image; see the individual product listing for photographs of the actual stock. No customer repair case is implied.

AI-assisted TechRepairHub guide. Confirm the specification of the individual item and the scope of any proposed work with our Nottingham team.

“Boot device not found” means the computer has not successfully started from its expected system drive. It does not prove that the drive has failed or that your files are lost. It could involve a drive, cable, firmware setting, Windows boot files or an external device. Our Nottingham PC repair team can examine the actual symptoms before recommending a part.

Start with safe checks

Power the computer off and remove USB sticks or external drives that might have changed the boot order, then restart it once. Note the exact message and any recent changes, including Windows updates, a moved computer or newly fitted storage. If you hear repeated clicking, smell burning or see physical damage, stop and seek advice. Do not repeatedly restart a machine with a suspected failing drive.

Why a replacement SSD is not always the first step

A working drive may not be detected because of a loose cable or firmware setting. Conversely, a visible drive may have damaged data or an unbootable operating system. A technician can investigate detection, connection, drive health and relevant boot settings before quoting a repair. Opening a computer and changing settings without a backup can make data recovery harder or interfere with encryption.

What about my files?

Tell us whether the files are important before authorising a reinstall, replacement or wipe. A failing SSD or hard drive may still hold recoverable data, but no recovery can be guaranteed. If the drive is encrypted, you may need your BitLocker recovery key; keep it private and agree a suitable handover method rather than putting it in an enquiry form.

Repair, upgrade or replacement

The quote may involve replacing storage, reinstalling Windows, repairing a connection or another diagnosed step. Compare the cost and software support of this computer with a refurbished desktop if replacement is more sensible. Clarify which work is included and whether data migration is quoted separately. Our standard repair warranty is 3 months parts and labour; an optional extension to 12 months costs extra when quoted for the work.

Tell us the product reference or your computer model, intended use and the help you need. Confirm availability and any separately quoted work before purchase or repair.
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