What is a common symptom of a problem starting up the Windows 7 operating system?

Question

Options

• ASpontaneous shutdown/restart
• BInvalid boot disk
• CWinRE won't start
• DThe optical disc failed
• EEmergency repair disk doesn't boot
• FREGSVR32 has failed

• A
  4% (2)
• B
  92% (49)
• C
  2% (1)
• D
  2% (1)

Explanation

An 'Invalid boot disk' or 'Invalid system disk' error appears during POST when the BIOS cannot locate a valid bootable partition or operating system on the detected drives. This is a well-known Windows startup failure symptom caused by a corrupted MBR, missing boot files, or incorrect BIOS boot order. Spontaneous shutdown/restart (A) can occur at any time, not just startup. WinRE not starting (C) is a recovery tool issue. Optical disc failure (D) and emergency repair disk failure (E) are media issues. REGSVR32 failure (F) is a DLL registration issue that occurs within Windows, not at startup.

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