Brand new Win 10 computer runs slow after setup

wvbirdman said:

but if idled overnight it rises to 30%.

Consider using WIndows performance recorder (WPR) in normal startup and in clean boot.
The challenge will be learning how to interpret the results or finding someone to interpret them.



See the link below for installation and customization settings:
To launch use administrative command prompt and type: wprui.exe
Windows performance recorder - Microsoft Community

Cortana is apparently built in to Win 10 and can not be disabled, only hidden.

I have returned to normal startup with all services enabled.

Regarding the items in the box above:
1) Windows and browsing speed are much better than initially, but still a bit slow, and I sometimes get "Firefox is not responding"
2) All restarts are now normal duration
3 and 4) CPU performance is now 13% at idle with nothing open but Task manager. A click on any icon causes a jump to between 30 and 100%. If I open a few programs and let it idle, it settles down to between 30 and 60%; then if I just move the mouse, it drops back down to 13%! (For comparison, I checked a very similar model of computer also with Win 10; it idles at a steady 2% with nothing open but Task manager).

I would be grateful for any more help you can provide, but I don't want to put you to a lot of trouble for what may no longer a major problem. Perhaps I should just use it for a week or two and see how it performs.

Thanks.

Hey Cortana is apparently built in to Win 10 and cannot be disabled, only hidden.

In answer to your 4 points above:
1) As near as I can tell Windows now seems at normal speed. Browsing is still a bit slow and I occasionally get "Firefox is not responding" messages.

2) Restarts now seem to be normal speed.

3 & 4) 5 minutes after restart Task manager Performance graph now steadies at 13% at idle. After about 15-30 minutes it rises to 30%, but if I move the mouse, it returns immediately to 13%. Clicking on any icon causes a brief spike to between 30 and 100%.

There seems to be considerable improvement, but this problem has been so slippery and changeable I wouldn't be surprised if it worsened again. Part of what I did before CPU dropped from 60% to 13% was to remove a number of programs I would like to have. At the end of this work I will add them one at a time several days apart keeping careful notes and restore points as you instructed. If they cause CPU to rise I will regrettably remove them again, but this would sacrificing features for speed which is still a problem.

If you have any further suggestions I would be happy to hear them, but I don't want to waste your time working on what may not be a significant problem. Perhaps we should just wait for a week or two while the computer is in use and see what develops.

Sorry, I accidentally sent the same post twice.

Thanks for setting me straight on Hey Cortana. Turning it off dropped CPU Performance to 5% and audiodg.exe to a steady 0% in Normal start mode!
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Following is groups of screenshots after 3 types of start: ("right after previous" means after the work of taking a screenshot, pasting it in Paint, and saving it)

NORMAL START
idle 10 minutes after start opened firefox
idled 15 min with Firefox open right after previous

CLEAN BOOT
idle 10 min after start right after previous
idle 20 min idle 2 hours

SAFE MODE
idle 10 min after start right after previous
idle 20 minutes idle 20 min and move mouse

In my opinion, per your computer specs I think you've pretty much trimmed down Windows 10's resource usage to the best without compromising functionality and with that most of your resources should be spent for the programs. In my case I have so many programs running on startup, but I do need all of them running so I can use most of the features available

I ran the tests in your post #17 before I read your post #18. If #18 means that you think there is nothing more you can do I would certainly accept that, and be grateful for all your help, as I'm about ready to give up re-install Win 10 and start all over.

Since I have already done the tests in post #17, I will include them below in case you want to look at them. Also a new symptom has turned up, which is part of what inclines me to give up: msconfig is stuck on selective startup. Every time I restart, whether in Normal, Clean, or Safe mode; after restart if I go immediately to msconfig, Selective Startup is pre-selected. If I select Normal Startup and restart, the same thing happens, so I guess now I can never be sure whether I am in Normal or Selective startup.
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Tests from post #17:
NORMAL BOOT
normal start, Firefox open, idlenormal start ,idle, details

normal start ,Firefox in it's safe modesame thing, later

normal start, Firefox restarted in it's safe mode

CLEAN BOOT

clean boot, nothing open, idle 10 minutes

in clean boot, CPU performance varies a lot:
processes during High CPU
processes during Low CPU


details during high CPUdetails during low CPU
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The performance graph you posted of your system looks just like what I see on my other very similar model computer with Win 10, and on my old Win 7 computer. I've never seen anything during idle like the image "clean boot nothing open idle 10 minutes" above.

Thank you for your help.