If your DELL Vostro 15 3510 is not running smoothly despite having sufficient storage space, there could be a few reasons for this. Firstly, it might be due to a lack of system memory (RAM) causing the laptop to struggle with multitasking or running resource-intensive applications. You can check this by opening the Task Manager and seeing if the memory usage is high.

Another common reason for slow performance could be related to the laptop’s processor. If the processor is outdated or not powerful enough for the tasks you are performing, it can lead to sluggish performance.

Additionally, issues such as overheating due to blocked air vents or a buildup of dust inside the laptop can also cause performance issues. Ensuring proper ventilation and keeping your laptop clean can help alleviate these issues.

Sometimes, software-related issues like outdated drivers, malware infections, or unnecessary background processes can impact the laptop’s performance. Regularly updating your system, running antivirus scans, and minimizing startup programs can help improve performance.

If none of these solutions work, it’s advisable to seek the assistance of a tech expert like Geekman or a reliable technician who can further diagnose and address the specific issue affecting your DELL Vostro 15 3510.