Several problems can arise on your computer/laptop with time, one of the common problems being the slowdown of the computer’s speed. You can face this problem regardless of whether you use an old or new computer. Some common phenomena can lead to the “Dell laptop running slow Windows 10” issue.

  1. It can be slow and unresponsive.
  2. It can frequently freeze from time to time.
  3. It can be pretty slow to start up.
  4. It overheats now and then.

If your brand new Dell laptop Windows is running slow, there can be numerous reasons.

  • Your hard drive data can be fragmented.
  • There can be issues with your external peripheral devices for example docking stations.
  • Your device driver can be expired.
  • The operating system files are outdated or damaged.
  • There can be a disk error.
  • The memory can be insufficient (RAM).
  • There can be a malfunction in hardware.

You can try the following steps before starting to fix the “Dell laptop Windows 10 running slow” issue.

Step 1: Try restarting the computer.

Step 2: Try running the automated tool provided in the Dell Support Assist tool.

Step 3: Try running a full hardware diagnostic test.

Now you can proceed to fix the “Dell laptop running very slow Windows 10” issue. Below are some of the solutions to fix the issue.

Solution 1: Unplug Every External Device And Restart The Computer


Anything connected to the computer can cause the computer to work slower. Try disconnecting all devices that are plugged into Dell, including external hard drives, SD cards, and printers. Restart the computer to check if the issue is fixed.

Solution 2: Check For Malware And Virus

If the issue is still there, then check for malware and virus. Viruses and malware can make your Dell laptop slower and result in other serious issues. Use Windows Defender or Avast to check for the virus.

Solution 3: Optimize Windows 10 Startup

Try optimizing Windows 10 Startup. There can be certain applications installed on your computer that start as soon as your PC starts resulting in slowing down the start-up time of your Dell laptop. Try disabling some heavy performance processes.

Solution 4: Clean Up The Hard Drive

If your hard drive is full, it can make your Dell laptop slower. Clean up the hard drive, and it can help improve the performance of your laptop

Solution 5: Defrag The Hard Drive

Defragging the hard drive can also be one of the solutions that can help in fixing the issue. Since corrupted or fragmented hard drive can also cause this problem. Therefore, you need to defrag the hard drive to resolve the issue.

Solution 6: Upgrade The RAM

Upgrade the hard drive if the solution mentioned above is not helping. More RAM will enable you to run numerous programs together or run more high-demand programs faster. If the RAM is less than 4 GB, then the performance of your laptop will be significantly upgraded.

Solution 7: Upgrade System To A Faster SSD


You can also try upgrading the system to a faster SSD. Unlike conventional hard drives, SSDs don’t have moving parts, which makes them faster. You can use a free tool – MiniTool ShadowMaker to do this. This professional backup program allows you to back up the operating system, disk, partition, file, and folder. It is also a user-friendly program that secures your computer and data. You can also get a 30-day free trial edition with all backup features. You can get its Pro Edition if you want to use it permanently.


These are some of the useful solutions to the “Dell laptop running slow Windows 10” issue. Give these tips and tricks a try if you face the same issue. Bios update is considered difficult and dangerous but that is nothing but a myth. Try and update your Bios to improve communication with the rest of the hardware and make the computer boot faster if dell laptop running slow windows 10.