A technician gets a call from a customer stating that their computer will not boot. They are getting the following error "invalid system disk". Which of the following should the technician check…

The correct answer is B. Verify that all removable drives are empty. The 'Invalid system disk' error most commonly occurs when the BIOS/UEFI attempts to boot from a non-bootable removable media - such as a USB drive, floppy disk, or optical disc - that happens to be inserted. The simplest and quickest first step is to remove all removable media…

Hardware and network troubleshooting

Question

A technician gets a call from a customer stating that their computer will not boot. They are getting the following error "invalid system disk". Which of the following should the technician check FIRST?

Options

AVerify the operating system is installed correctly.
BVerify that all removable drives are empty.
CVerify Boot.ini is on the hard drive.
DVerify the computer will boot into safe mode.

How the community answered

(32 responses)

A
3% (1)
B
94% (30)
C
3% (1)

Explanation

The 'Invalid system disk' error most commonly occurs when the BIOS/UEFI attempts to boot from a non-bootable removable media - such as a USB drive, floppy disk, or optical disc - that happens to be inserted. The simplest and quickest first step is to remove all removable media and reboot. Only if the error persists should the technician investigate OS installation, Boot.ini, or safe mode issues.

Topics

#invalid system disk#boot error#removable media#boot troubleshooting

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