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Cant Draw Diagonal Lines After Screen Replacement: Difference between revisions

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{{stub}}
{{stub}}
{{Repair Guide
{{Repair Guide
|Device=IPad Pro 12.9 3rd Gen
|Device=IPad Pro 11in 3rd Gen, IPad Pro 11in 4th Gen, IPad Pro 12.9 3rd Gen, IPad Pro 12.9 4th Gen, IPad Pro 12.9 5th Gen, IPad Pro 12.9 6th Gen, IPad Mini 6
|Affects parts=Display
|Affects parts=Display
|Needs equipment=JCID V1S or JCID 1Vs Pro
|Needs equipment=JCID V1S or JCID 1Vs Pro
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After replacing the screen the Apple pencil can not be used to draw diagonal lines.
After replacing the screen the Apple pencil can not be used to draw diagonal lines.
[[File:Diagonal issue.png|thumb|Example of issue]]


== Solution ==
== Solution ==
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You can use the JC V1SE or the JC V1S Pro.
You can use the JC V1SE or the JC V1S Pro.
[[File:JC V1S Pro.webp|left|thumb|JC V1S Pro]]
[[File:JC V1S Pro.webp|thumb|JC V1S Pro|center]]
 
 
[[File:JC V1SE.webp|left|thumb|JC V1SE]]
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
You have must have iPad Screen Repair Adapter.
 
[[File:IPad Screen Repair Adaptor.webp|left|thumb|iPad Screen Read And Write Adaptor Fix Wavy Lines With Apple Pencil - JCID]]
 
 
 
 
 
 
 
 
 
 
First Connect the flex cable to the right adapter for your model
[[File:Flex Connected.png|left|thumb]]
 
 
 
 
 
 
 
 
 




[[File:JC V1SE.webp|thumb|JC V1SE|center]]You have must have iPad Screen Repair Adapter.


 
[[File:IPad Screen Repair Adaptor.webp|thumb|iPad Screen Read And Write Adaptor Fix Wavy Lines With Apple Pencil - JCID|center]]
 
Then Connect the adapter board to the iPad like this
[[File:Flex Adapter.png|left|thumb|Flex Adapter]]
 
 






First Connect the flex cable to the right adapter for your model[[File:Flex Connected.png|thumb|center]]Then Connect the adapter board to the iPad like this
[[File:Flex Adapter.png|thumb|Flex Adapter|center]]




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Next on the Programmer use the buttons to select the Model of your device
Next on the Programmer use the buttons to select the Model of your device


Then connect the Flex to the programmer like this
[[File:Ipad model.jpg|center|thumb|Choose iPad Model]]
[[File:JCID Flex Connected.png|left|thumb|JCID Flex Connected]]
 
 
 
 
 
 


Then connect the Flex to the programmer like this 


Now press the power button to light the screen up and press the read button on the JCID Programmer
[[File:JCID Flex Connected.png|thumb|JCID Flex Connected|center]]Now press the power button to light the screen up and press the read button on the JCID Programmer


After reading the old information from the screen you can turn off the iPad and plug your new screen in.
After reading the old information from the screen you can turn off the iPad and plug your new screen in.
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== Final Testing ==
== Final Testing ==
Open the notes app and make sure your diagonal lines made with the Apple Pencil are in a straight line.
Open the notes app and make sure your diagonal lines made with the Apple Pencil are in a straight line.
[[File:Issue Fixed.gif|center|thumb|Issue Fixed]]

Latest revision as of 21:40, 20 September 2025

This article is a stub. You can help Repair Wiki grow by expanding it

Cant Draw Diagonal Lines After Screen Replacement
Device IPad Pro 11in 3rd Gen, IPad Pro 11in 4th Gen, IPad Pro 12.9 3rd Gen, IPad Pro 12.9 4th Gen, IPad Pro 12.9 5th Gen, IPad Pro 12.9 6th Gen, IPad Mini 6
Affects part(s) Display
Needs equipment JCID V1S or JCID 1Vs Pro
Difficulty
Type


Problem description

After replacing the screen the Apple pencil can not be used to draw diagonal lines.

Example of issue

Solution

The Solution is simple however we need a special tool made by JC.

You can use the JC V1SE or the JC V1S Pro.

JC V1S Pro


JC V1SE

You have must have iPad Screen Repair Adapter.

iPad Screen Read And Write Adaptor Fix Wavy Lines With Apple Pencil - JCID


First Connect the flex cable to the right adapter for your model

Then Connect the adapter board to the iPad like this

Flex Adapter


Now Connect the ORIGINAL screen the iPad had installed, and power on the device.

Next on the Programmer use the buttons to select the Model of your device

Choose iPad Model

Then connect the Flex to the programmer like this

JCID Flex Connected

Now press the power button to light the screen up and press the read button on the JCID Programmer

After reading the old information from the screen you can turn off the iPad and plug your new screen in.

With the new screen in connected press the power button to light up the screen and click on Write in the JCID Programmer

After this you can turn off the device and remove the JCID adaptor and plug in the new screen like normal.

Final Testing

Open the notes app and make sure your diagonal lines made with the Apple Pencil are in a straight line.

Issue Fixed
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