I did the Dell System Detect and that came back with
No driver updates found. Your system has the most recent updates
That will be because Dell do not provide any Windows 10 drivers, the Dell tool is basically telling you to stick with the generic Windows 10 drivers, you are not having any crashes which is a bonus, the one driver that is normally required to be installed is the MBs chipset driver, you could try installing the 64-bit Windows 7 chipset driver or just leave things as they are, if you do decide to try installing the driver be sure to create a new system restore point first.
Where do we go from here?
Is this fixable or not
There is nothing that is broken to need fixing, your CPU and RAM usage is not high for what you are doing, hardware wise, your present RAM is the fastest that is compatible with your CPU and you have plenty of it so that is not a problem, your video card is outdated and slow by today's standards + it only has 1GB of VRAM, the more tabs that you have open and the bigger your screen size the slower the add on video card will become.
What is the brand and model name or number of the PSU.
The voltage readings for your MB look on the low side (what I have highlighted in red) the readings could be anomalous but we should check them to be on the safe side
CPU CORE: 1.044 V
MEMORY CONTROLLER: 1.512 V
+3.3V: 2.808 V
+5V: 2.782 V
+12V: 10.992 V
-12V: -8.880 V
-5V: -8.880 V
+5V HIGH THRESHOLD: 2.782 V
CMOS BATTERY: 1.524 V
Please take expanded screenshots and only use the method below to attach them.
Download Speedfan from here and install it. Once it's installed, run the program and post here the information it shows. The information I want you to post is the stuff that is circled in the example picture I have attached.
If you are running on a vista machine, please go to where you installed the program and run the program as administrator.
(this is a screenshot from a vista machine)
Download then run HWMonitor and post a screenshot so that we have a comparison to the Speedfan results, details from here
To capture and post a screenshot;
Click on the ALT key + PRT SCR key..its on the top row..right hand side..now click on start...all programs...accessories...paint....left click in the white area ...press CTRL + V...click on file...click on save...save it to your desktop...name it something related to the screen your capturing... BE SURE TO SAVE IT AS A .JPG ...otherwise it may be to big to upload... Click on the More Reply Options tab then after typing in any response you have... click on Choose File...desktop...find the screenshot..select it and click on Attach This File...on the lower left...after it says upload successful...click on add reply like you normally would.
Screenshot instructions are provided to assist those that may read this topic but are not yet aware of the “how to”.