CompTIA A+ Core 2 (220-1202)Software TroubleshootingMedium
A user reports that their Windows 11 laptop, which has an NVMe SSD, has become extremely slow to boot and launch applications. Task Manager shows 100% disk utilization for extended periods, even when no applications are actively running. Which of the following is the MOST likely cause of this issue?
- AA background process or service is constantly accessing the disk.
- BThe laptop has insufficient RAM, causing excessive paging to disk.
- CThe NVMe SSD is failing and needs to be replaced.
- DThe Windows installation is corrupt and requires a reinstallation.
Show answer & explanationAnswer & explanation
Correct answer: A. A background process or service is constantly accessing the disk.
High disk utilization, especially on an SSD with no obvious active applications, strongly suggests a rogue background process or service. This process could be malware, an indexing service stuck in a loop, or a poorly optimized legitimate application.
Why the other options are wrong
- B. Insufficient RAM would typically lead to high CPU utilization (due to paging) and slower performance overall, but 100% disk utilization without active apps is less directly indicative of just RAM issues.
- C. While a failing SSD can cause performance issues, 100% utilization without active application use points more towards a software process than hardware failure initially.
- D. A corrupt Windows installation could cause slowness, but diagnosing 100% disk utilization points to a more specific software process issue rather than a full corruption requiring reinstallation as the first step.
High Disk Utilization Troubleshooting
Troubleshooting high disk usage involves identifying the processes or services that are excessively accessing the storage device, which can significantly degrade system performance.
- Check Task Manager's 'Disk' column for processes with high activity.
- Use Resource Monitor for more detailed disk activity per process.
- Consider malware, indexing services, or poorly optimized applications as common culprits.
Memory trick: Disk's busy, but why? Check the background processes that fly!