My dell laptop was having major problems being if I right clicked on a file that window would freeze and i'd have to close it with task manager. I though i would factory reset that but it didnt work so I tried going into the advanced restart and reset it there but only with keeping my files. I have reset it now and it fails to play even the simplest games without 2-3 seconds of delay on everything.
Sounds like there is something on the device that is causing you problems. Virus, malware, bad program, etc. And the reset you did with keeping files would not have removed any problem.
Try starting the computer in "Safe Mode" to test if it loads fine. You won't be able to access a lot of things in that mode, however if you get no problems, then you know you need to check the computer thoroughly for viruses, malware, bad programs, etc.
How to enter "Safe Mode" when booting the computer.
In Windows 8 and 10...
As your computer restarts, press F8 (possibly a few times) to enter "Safe Mode"
a. Press the "F4" key to Enable "Safe Mode".
(The computer will then start in "Safe Mode" with a minimal set of drivers and services.)
b. Press the "F5" key to Enable "Safe Mode" with Networking.
( Once "Safe Mode" with Networking starts, Windows is in Safe Mode, with additional network and services for accessing the Internet and other computers on your network.)
c. Press the "F6" key to Enable "Safe Mode" with Command Prompt.
(In "Safe Mode" with "Command Prompt" starts Windows in Safe Mode, with a Command Prompt window instead of the Windows interface. This option is mostly only used by IT professionals.)
Now sign in to the computer with your account name and password. (If you have one set.) When you are finished troubleshooting, you can exit "Safe Mode" restarting your computer.
In Windows 7/Vista/XP...
1. Immediately after turning on the computer, or restarting it (usually after you hear your computer beep), tap the F8 key, repeatedly, in 1 second intervals.
2. The computer will then display hardware information and run a memory test.
3. Next the "Advanced Boot Options" menu will appear.
4. In the "Advanced Boot Options" menu use the arrow keys to select "Safe Mode" or "Safe Mode with Networking" and press ENTER.