My computer has 8GB RAM, but the Task Manager shows me processes % of 4GB only, i.e. Google Chrome uses 457MB and the Task Manager shows that is 11.3% of the RAM and that means 100% is about 4GB??
I'm using Windows 10 and these are some of my specs:
I checked the Resource Monitor and it shows me that there are 3221MB cached. Is that normal? and how to fix it?
2 Answers
Your first image shows your task manager at 100% disk usage and 46%-52% memory usage. Memory isn't an issue here. Your computer should work fine even if it passes 50%. It doesn't start showing issues until it goes over 80 (like you said.) The 100% means all 8GB is being used and this can slow your computer down to the point where it constantly freezes. I'm not sure why RAM is shown as a percentage, but Chrome is only using 457MB out of the 8GB you currently have. At least, that what it should be doing.
Although, I would currently focus on lowering your disk usage since it is at 100%. This is bad on HDDs and can cause issues in the long run.
Explaination
The Task Manager detect exactly 8GB RAM, as I thought. However, it seems that it detect memory percentage of only Memory In Use.
That's to say, the percentage of 11% is based on used memory 4.1G,
Computations
Here is some computations with Chrome as the example.
In Task Manager, chrome-mem = 457 MB ~ 11.3% -> Total Used Mem = 457M / 11.3% ~ 4044MB.
In Resource Monitor, chrome-mem ~ 457MB(sum), Used Mem = 3515+601 = 4116MB.
They match.
Others
Caches: Standby+Modified Mem (which is available)
Hint: you can use Task Manager->Performance->Memory to detect all memory (8GB).