Joe, a user, brings a PC in for repair, reporting that his Windows PC is no longer booting and returning an error that says the OS was not found. Which of the following should the technician do FIRST?

Question

Options

• AEnable hard drives over 4TB to be recognized by the BIOS
• BChange the boot order in BIOS to hard drive first
• CRemove all optical media from the drives
• DChange the default OS in the boot.ini file

• A
  5% (1)
• B
  95% (19)

Explanation

The FIRST step when encountering an 'OS not found' error is to check and correct the boot order in the BIOS (B). The BIOS may be attempting to boot from a device (such as a USB drive, network adapter, or optical drive) that does not contain a bootable OS, bypassing the hard drive entirely. Correcting the boot order to prioritize the hard drive is the quickest and most common fix. Option C (removing optical media) is also a reasonable quick check, but changing the boot order is the more thorough corrective action. Option A is irrelevant unless the drive is over 2TB and requires GPT. Option D references boot.ini, which is a legacy file from Windows XP and not applicable to modern Windows.

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