easyMultiple Choice
220-1201 Practice Question: After installing a second hard drive in a desktop…
After installing a second hard drive in a desktop PC, the system boots but the new drive does not appear in File Explorer. The drive is listed in Disk Management as 'Unknown' and 'Not Initialized'. What should the technician do first?
⚠ Common exam trap
220-1201 often tests the order of operations — candidates jump to formatting because that's the familiar step, but initialization must precede partitioning and formatting for a brand-new disk.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Initialize the disk in Disk Management.
A disk showing as 'Unknown' and 'Not Initialized' in Disk Management means the drive has no partition table (neither MBR nor GPT). The first step is to initialize the disk, which writes the partition table and allows the drive to be partitioned and formatted. Only after initialization can the drive be formatted and assigned a drive letter.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Replace the SATA cable.
Why it's wrong here
Replacing the SATA cable is unnecessary because the hard drive is already detected within Disk Management. Detection confirms that the physical connection, including both the SATA data and power cables, is functional and allowing basic communication between the drive and the motherboard's SATA controller. The issue isn't a lack of physical connectivity or detection due to a faulty cable, but rather the drive's logical state requiring preparation for use.
- ✗
Format the drive immediately.
Why it's wrong here
Attempting to format a newly installed hard drive immediately will fail because formatting is a subsequent step that requires the disk to first be initialized. Initialization establishes the disk's partition style (MBR or GPT) and creates a partition table, which is a fundamental prerequisite before any partitions can be created or formatted with a file system. Without initialization, the operating system cannot logically structure the disk for data storage.
- ✓
Initialize the disk in Disk Management.
Why this is correct
Initializing the disk in Disk Management is the correct first step for a newly installed hard drive. This essential process writes a partition table, either Master Boot Record (MBR) or GUID Partition Table (GPT), to the disk. This partition table makes the drive logically recognizable to the operating system, allowing it to be subsequently partitioned into one or more volumes and then formatted with a file system for data storage.
- ✗
Update the motherboard chipset drivers.
Why it's wrong here
Updating motherboard chipset drivers is not necessary in this scenario because the hard drive is already detected by Disk Management. Chipset drivers primarily facilitate communication between the operating system and the motherboard's integrated components, including the SATA controller. Since the drive is detected, the necessary drivers are functioning sufficiently, and the problem lies with the drive's uninitialized state, not a communication or driver-related issue.
Go deeper
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Learn chapter
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Key term
GUID Partition Table
A GUID Partition Table (GPT) is a modern standard for organizing and managing partitions on a storage drive, replacing the older Master Boot Record (MBR) system.
Key term
Disk Management
Disk Management is a system utility that lets you manage hard drives and other storage devices, including partitioning, formatting, and assigning drive letters.
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official CompTIA exam blueprint
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