Hi Jackie,

There are several reasons why there is so much lag with your system.
Initially as you're doing, update your Windows and along with that also
update
your system BIOS, as older drivers could be the culprit here.
After that open the command prompt and do a system file scan.
Once command prompt is opened enter the following "sfc /scannow" and hit
enter.
Then wait for the scan to finish.
Also if there was any third party antivirus installed on your computer
previously uninstall it.

Finally make sure that that your system has sufficient memory (RAM).

If the system is low on memory and drivers are not updated that will make
your system sluggish and
you'll not be able to use NVDA efficiently.

Hope this helps

Pramit





On Tue, Apr 7, 2020 at 5:45 AM Jackie <abletec@...> wrote:

Ok, so this is just my experience, & I don't pretend or contend that
it's applicable to anyone else who's experienced NVDA sluggishness so
severe as to render it unusable. Having thus said, though, it might be
something folks might wish to consider when troubleshooting this for
themselves.

I have a computer I was going to give to my daughter. Unfortunately,
it intermittently kept going into bios instead of booting into
windows. Resetting the computer didn't help. I therefore suspected
either the hard drive or the CMOS battery. Husband Karl took it apart
to replace the battery. He never did find 1 (they're starting not to
use those anymore), but he did find a cable that seemed to have become
detached, which he reconnected. It was still very slow, but at least
it didn't go into bios anymore. I then did a 2nd pc reset, removing
all user files. Once that was done, it was still really slow, I could
just barely use Narrator, &, imo, that's barely usable anyway, though
it is much improved from earlier incarnations. Forget about NVDA--it
simply was not happening. So the first thing I did was disable 1 drive
& Skype from starting up automatically, which tends to occur when
signing into windows via a Microsoft account. That sped things up
*considerably* & NVDA became quite usable at that point.

The bios is 3 versions behind for this machine. Whenever the Windows
10 update finishes (it's a big 1), I'm going to update the bios & pray
I don't brick the machine in doing so. At that point I'll see what
other driver updates are available. I also think I'm gonna run some
hard drive diagnostics to make sure that the hard drive isn't in
trouble, though that's beginning to look less likely now than it did a
day ago. Despite the first reset, I do think the files were corrupted
because of the hardware problems this machine was experiencing, thus
necessitating a 2nd one. The machine is still not as fast as I'd like
to see it, but it's improving.

This was clearly a complex set of issues, but that's actually pretty
typical when fixing these beasties--it's fairly seldom that only 1
thing is wrong w/them, at least from my experience, which is about 30
years worth. I think my point is that if NVDA isn't usable on a given
machine, it's most likely there's something (or things) wrong w/that
machine. Usually, if one thinks about it, the machine is having other
difficulties as well, & these, although annoying, may actually help to
troubleshoot the problem. If you're getting out of memory errors, for
example, then perhaps a ram stick is faulty. If you're getting errors
regarding being unable to access files, then perhaps the hard drive is
the culprit.

Anyway, I hth those who might be having problems w/NVDA on win 10 &
who are looking for resolution of the problem. My particular set of
circumstances will not be applicable, but perhaps my thought processes
might be helpful in spurring yours on toward a successful resolution.

Best wishes & much success. Stay well & safe.

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