High Sierra Safari Input Form Display Extreemly slow

High Sierra 10.13

MacBook Pro 15 inches Early 2013

I kept seeing these issues -

1> When using Safari, data input became extreemly slow, after typing about 10 characters, I will start seeing the first character shows up.

2> AppleSpell kept running at 100% CPU (even through total CPU usage is not high). This process also reaches 30, 40, 60GB memory. Memory pressure becomes high....

3> My VMWare crashes once every 1 hour (I assume caused by AppleSpell).

4> Sometimes Macos also crashes.

P.S. In case you are wondering, I am using Chrome to input all these texts. Safari becomes unusable for me. Sigh ....

MacBook Pro with Retina display, macOS High Sierra (10.13), null

Posted on Oct 21, 2017 10:33 PM

Top-ranking reply

John Galt

Level 10

155,294 points

Posted on Oct 23, 2017 11:58 PM

According to Use safe mode to isolate issues with your Mac - Apple Support, "If an issue doesn't happen in safe mode, you might have incompatible login items."

If Login Items are not a factor, then there may be some other software or process on that Mac interfering with Safari and / or AppleSpell. To find out, look in each of the following locations for any files you do not recognize:

~/Library/LaunchAgents

/Library/LaunchAgents/

/Library/LaunchDaemons/

To navigate to them, copy and paste each one of the above lines into the Finder's Go menu > Go to Folder...field.

By default Apple installs nothing in any of those folders, which means that you should be absolutely certain everything they contain is required for software that you need. Post their contents if you are uncertain.

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20 replies

John Galt

Level 10

155,294 points

Oct 25, 2017 2:39 PM in response to MERELYQUESTIONS

I understand. Whatever its cause, the Apple Store will be able to thoroughly diagnose the battery's condition, and present options for you to consider. A battery failure is certainly premature for that Mac, but all I can tell you is what I wrote.

Nov 8, 2017 9:09 AM in response to John Galt

John,

Just follow up on the reinstall OS action item. It did not work for me. I upgraded to 10.13.1 and then re-installed 10.13.1. None of these solved my issue. I am still waiting for changing battery.

Thanks.

Oct 22, 2017 10:55 AM in response to MERELYQUESTIONS

The evil ApplSpell CPU / Memory Usage Image ... Notice the memory usage number in the bottom image, it could go up to 40 / 60GB 👿

Oct 23, 2017 9:04 AM in response to John Galt

John, thank you for looking into this. I have removed ALL plugins in Safari. There is no extension in the Safari. I checked the URLs you mentioned, none of them is directly related to this issue.

Oct 24, 2017 10:17 AM in response to MERELYQUESTIONS

Unfortunately, even after deleting all the items, the safari input is still extremely slow. I will retry the safe mode.😢

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High Sierra Safari Input Form Display Extreemly slow