Running chkdsk on external drive affects internet connectivity :/

Does it happen with programs/stuff that's not on the internet as well?
I've never heard of that happening, with the exception of a situation where your computer is old/out of date/doesnt have enough ram, CPU power, or disk space/speed to simultaneously check a disk and connect to the internet. If that's the case, it doesn't have anything to do with the connection and is just your computer is too slow. Try pressing Ctrl+Shift+ESC to bring up the task manager service section and then click on performance. Then run the chkdsk and see if the cpu or ram are skyrocketing or capping out; that would probably mean your system is just too slow to do the internet and the chkdsk at the same time.

Hope that helps.

Thank you zooga and RolandJS.

zooga, you said: 'Does it happen with programs/stuff that's not on the internet as well?' yes, but not to that paralyzing extent at all, although even (seemingly to me) non internet-related stuff like, say, playing music using VLC (which obviously resides on C:\) off a USB stick not involved in any chkdsk operations is noticeably affected (delays in response, gaps in the music etc).
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It is interesting that you should mention insufficient memory and slow CPU (I think free disk space is not an issue) as I have been meaning to post about what I perceive to be very unimpressive performance indeed (although this is a recent development w/o my making any more demands on the resources now than e.g. a year ago) - all the while with the same amount of ram, the same CPU as then.

If you get my meaning; I have difficulty explaining this even to myself;) I'll give you my specs as reported by the Piriform utility Speccy, the free disk-space as reported by explorer and then try and explain what I think is less-than-impressive performance from hardware that

a) I thought at least sufficient for the things I try to do and

b) an example of a 'demand' on my part which seems to absolutely stupefy the poor machine and send Task Manager reported performance graphs (memory, CPU) 'through the roof' for extended periods of time.

Speccy:



Disk map:



Let's just say, as this reply is nearing or has exceeded the tl;dr limit, that literally anything, such as opening another webpage (these are 'normal circumstances' - no chkdsk funny-stuff) sends this indicator



to 100% for 20-30 seconds and, it appears, completely overwhelms the hardware. It is as if I were expecting a 3 HP engine to pull my '59 Cadillac up a 45 degree incline.

And this is a fairly recent thing. It's like the system resources have been reduced by 70% overnight or else as if my trusty AMD Athlon CPU has had a massive stroke.

Any ideas? 'Cause the situation is untenable..:/