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Question: Random Horizontal Apple Pencil Streaks and Breaks

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Device: iPad Pro 9.7, with the Apple Pencil


The issue:


While resting my palm on the screen and writing with the pencil,

1) Breaks appear where the lines are supposed to be continuous. Notice the letter 'm' in the word 'missile' on the top left corner of the attached image.

2) Additionally, random horizontal lines appear when I try drawing vertical lines. Quite clearly visible in the attached image where horizontal lines appear when I've tried drawing vertical lines.

This happened for the first time yesterday, and once today; the problem lasted for about 5-10 minutes each time. And when this problem appears, not resting my palm on the screen makes the pencil work just fine.


Some other issues/observations:

1) When I use the split screen function, the touch response is poor. Trying to select a web link/highlighting words on one half of the split screen causes selection/highlight of words on the other half of the split screen.

This too has been happening since yesterday. But this problem seems to persist for long unlike in the other issue.


I haven't dropped my iPad or my Pencil. (OK, I did drop my iPad three weeks ago, from a height of 1 feet. It was protected by the Apple smart case for its back, and a tempered screen glass protector on the front.. it fell flat screen face down, but as I mentioned, the case prevented any damage - the back case has a protruding edge ensuring that even without a screen protector, the screen is protected if the iPad falls screen face down, flat.)


I removed the tempered screen glass protector today when the issue recurred, will have to wait in order to see if the issue recurs. I don't think the screen protector has been causing the problem, because the iPad/pencil have been working just fine ever since I bought the iPad and had the screen protector installed, that would be close to 3 months ago.

iPad Pro 9.7-inch WiFi, iOS 9.3.1, null

Posted on Jul 27, 2016 8:58 AM

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Jul 28, 2016 8:39 AM in response to Yashaswi M G In response to Yashaswi M G

I found out what's causing the problem. It happens when I use the pencil while the iPad is charging. This never used to happen earlier.


Anyone else with an iPad pro 9.7 (mine's 128GB Space Grey) and an Apple Pencil, please test the palm rejection functionality of your iPad along with an Apple Pencil and let me know if you face the same issue. Thanks.

Jul 28, 2016 8:39 AM

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Question marked as Helpful

Jul 28, 2016 8:39 AM in response to Yashaswi M G In response to Yashaswi M G

I found out what's causing the problem. It happens when I use the pencil while the iPad is charging. This never used to happen earlier.


Anyone else with an iPad pro 9.7 (mine's 128GB Space Grey) and an Apple Pencil, please test the palm rejection functionality of your iPad along with an Apple Pencil and let me know if you face the same issue. Thanks.

Jul 28, 2016 8:39 AM

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Nov 26, 2016 11:27 PM in response to Yashaswi M G In response to Yashaswi M G

I am having this issue too but I get a sense that it only happens when I am connected to a projector using the VGA adapter (I might be charging the iPad at the same time but not always). It is also the case for you? Could it be a faulty VGA adapter?

Thanks

Nov 26, 2016 11:27 PM

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Feb 5, 2017 4:32 PM in response to Yashaswi M G In response to Yashaswi M G

This happened to me last week for the first time and continues even today. When my IPP is charging I get random streaks and the page jumps. I'm thinking it is something with the palm rejection technology? This has become very frustrating for me as I am an computer/electrical engineering grad student and I rely on my Apple Pencil to work consistently.

Feb 5, 2017 4:32 PM

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Feb 5, 2017 9:29 PM in response to Sweet Nemesis In response to Sweet Nemesis

This is what I found out: it has to do with the room where I am. I am a teacher and use different rooms to teach using my iPad. There are two rooms in the school where this always happens as long as I am either connected to the power or connected to the VGA. So there is some strange combination of electrical power (even through the VGA adaptor) and putting your hand on the screen while you write that makes the random lines appear and the pencil to malfunction. What is interesting is that it never happens in any other room. So clearly this is a function of something that drives electrical power in certain settings/rooms.

Feb 5, 2017 9:29 PM

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Feb 5, 2017 9:50 PM in response to Sweet Nemesis In response to Sweet Nemesis

This seems to be a common issue (at least on my devices, iPhone 5s and iPad mini 4) when the device is charging. Screen-swipe fluidity and other performance aspects are affected, most notable is the ability to read fingerprints while unlocking the device using Touch ID. If the device is charging, Touch ID can be very touchy and may require multiple touches to recognize the fingerprint. Simply unplugging the device from the charger corrects the issue 100%.


Note that this is just my own personal experience and doesn't apply to anyone else here, AFAIK. 😉

Feb 5, 2017 9:50 PM

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Mar 4, 2017 5:12 AM in response to Yashaswi M G In response to Yashaswi M G

I had/have this problem too, but even when the iPad was unplugged. But first I have to say that both the problem and this solution apply for an iPad Pro 12,9" with protection glass. It might or might not apply for other configurations. In fact, I didn't tested this problem on an iPad without protection glass since the first thing I did with and to my iPad was putting a protection on it.

Your iPad won't be fixed after you read this comment, this issue will continue appearing, but you can temporarily fix it while usage. Simply touch your iPads metal frame with your free hand when using it. Make sure having contact to the mirror edge because the anodized aluminum is not conductive. If iPad users without a protection glass are able to confirm this problem too, it seems to be an annoying hardware issue. In this case, probably the body isn't grounded properly and isolated from the display.
Cheers.

Mar 4, 2017 5:12 AM

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Jun 8, 2017 1:17 PM in response to Yashaswi M G In response to Yashaswi M G

Since most of us have the issue while charging, I suppose it's a hardware issue wherein the electricity from charging makes a reaction with our hand (ie. conductivity) and interferes with the electrical signals of the pen with the iPad surface. I wonder if they can make a software workaround for this..

Jun 8, 2017 1:17 PM

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Oct 30, 2017 6:31 AM in response to Yashaswi M G In response to Yashaswi M G

Yes, it has showed up on my iPad Pro 12" (gen 1), it must be a new feature in iOS 11 😁. In my checking it out, it is horizontal lines when in landscape mode, so it is along the longer length of the screen; therefore depending on which orientation if it is horizontal or vertical lines.

Oct 30, 2017 6:31 AM

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Question: Random Horizontal Apple Pencil Streaks and Breaks