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Jumpy (Neelpuntambekar) Mac OS

Jumpy (Neelpuntambekar) Mac OS

May 05 2021

Jumpy (Neelpuntambekar) Mac OS

  1. A common reason for laggy or slow Mouse on Mac is due to the Batteries losing their power and becoming weak. To confirm, replace the battery on your Mouse with a New battery and see if it helps in fixing the problem. Sometimes, the problem is due to stuck programs or processes interfering with the functioning of Mouse on your Mac.
  2. Turns out that OS X will start all devices in parallel. While this can make the system start up faster, it might not be such a good idea for devices interacting with one resource, in this case, the PS2 port.
  3. Non-Volatile Random Access Memory (NVRAM) is a very technical term for your Mac’s ability to retain stored data even when the computer powers off. Sometimes this memory can get jumbled and cause your computer to do strange things–like make your cursor jump all over the screen. A reset of your Mac’s NVRAM could resolve the issue.
  1. Jumpy (neelpuntambekar) Mac Os Update

Mouse M510 is jumpy on mac os catalina Answered. Linda Allen 30 August 2020 23:04; How do I fix the mouse jumping on the screen? It takes concentration for the pointer hit exact location. Problem just started today after 5 months. I/'m on a mac 0s catalina. How to I adjust settings?

Greetings, keriah!


Welcome to the Apple Support Communities. From what I'm understanding in your description, it sounds like any time you open an app that displays more than a screen's worth of content and you stop scrolling, your screen is 'jumping' down to the next page/section/line all by itself without any action from you. I can definitely understand why you contacted us about this! I would find it hard to read what's on my screen if the content 'jumped' every time I took my hand off my mouse. I would be happy to help in whatever way I can.


First, you didn't mention what version of OS X you have. Keeping the software on your MacBook up-to-date is always recommended, and would ensure that you have the latest versions of Safari, Finder, Mail, and all the other apps included in Mac OS X. The following documents will help you back up your MacBook and update your operating system:



You mention using a mouse, and that this screen behavior doesn't happen when you use the built-in trackpad. Is it an Apple mouse (either wireless Magic Mouse or the USB model)? If it's a third-party mouse (not made by Apple), then you'll need to check with the manufacturer to see if they might have updated drivers for it, or if there might be some settings that are causing this behavior. Another useful troubleshooting step would be to try this in a 'test' user account to see if it happens there, too. That would tell us if the issue is system-wide, or just in your account. Use these instructions to create a 'test' user:



Starting your MacBook in safe mode can help determine if startup or login items are causing your scrolling issue. It also deletes font caches, Kernel cache and other system cache files. The article's title says it's for El Capitan (OS X version 10.11), but the instructions are the same for other versions of OS X:



Have a great week!

Aug 8, 2016 12:08 PM

(neelpuntambekar)
  1. Before connecting the VerticalMouse, go to Control Panel, Mouse:
    • On the Buttons tab, uncheck the box for Switch Primary and Secondary Buttons.
    • On the Pointer Options tab, uncheck the box for Enhance Pointer Precision and set the pointer speed slider to the middle position.
  2. Insert the plug or receiver in a USB port.
    • For wireless models, select a port away from other USB plugs or devices to avoid signal interference.
    • If pointer movement is unreliable, use an extension cable to position the receiver farther away from other USB plugs or devices.
    • Avoid using KVM switches since the VerticalMouse may not work with them.
  3. On wireless models, insert the battery and slide the On/Off switch to the green position.
  4. Adjust the pointer speed as desired with the pointer speed button behind the wheel.
  5. Evoluent Mouse Manager (driver) may optionally be installed to customize the buttons with a variety of functions, such as Copy, Paste, Enter, Double Click, etc. Download the driver here.
  1. Before connecting Evoluent VerticalMouse, go to the Applications folder to find and remove any existing Evoluent Mouse Manager and any other mouse software, except touchpad drivers, to avoid software conflict.
  2. USB wired or wireless receiver models:
    • Insert the plug or receiver in a USB port.
    • For wireless models, select a port away from other USB plugs or devices to avoid signal interference.
    • If pointer movement is unreliable, use an extension cable to position the receiver farther away from other USB plugs or devices.
    • Avoid using KVM switches since the VerticalMouse may not work with them.
  3. Mac/Bluetooth models without a receiver:
    • Go to System Preferences, Bluetooth and click Setup New Device or the + sign to add the mouse.
    • Insert the battery and slide the On/Off switch on the VerticalMouse to the green position or cycle it off and on to begin pairing.
  4. Adjust the pointer speed as desired with the pointer speed button behind the wheel.
  5. Evoluent Mouse Manager (driver) may optionally be installed to customize the buttons with a variety of functions, such as Copy, Paste, Enter, etc. Download the driver here. You may have to temporarily allow installing programs downloaded from anywhere in System Preferences, Security and Privacy.

Note regarding High Sierra (10.13) or newer Mac OS

  • The Evoluent Mac driver (known as “extension”) may be blocked in Mac OS 10.13 High Sierra or newer OS by a new system security feature known as Secure Kernel Extension Loading. Refer to this article on the Apple web site: https://developer.apple.com/library/archive/technotes/tn2459/_index.html.
  • If the mouse buttons do not perform your selected functions in the driver, or if the system shows “no VerticalMouse device attached”, go to System Preferences, Security to see if there is an option to allow the Evoluent extension. The option is only there for 20 minutes after installing the driver or restarting. If it is not there, restart the computer to reload it.
  • The extension will be listed as software from Jack Lo (the creator). If after allowing the extension it is still not working, restart the computer again. If restarting does not work, uninstall and reinstall the Evoluent software and restart the computer.
  • To determine if Secure Kernel Extension Loading is blocking the Evoluent extension, open a Terminal window to enter this command:

    kextstat grep evoluent

  • If the Evoluent extension is allowed, the command will return a line of info. If it is blocked, the line will be blank. When it is blank, reinstall the driver and restart the computer.
  • Hold the VerticalMouse with your fingertips.
  • Put the edge of your hand on your desk.
  • Move the mouse mostly by moving your fingers, not your entire arm.
  • Tilt up the left side of a right-handed mouse to disable tracking, or tilt up the right side of a left-handed mouse.
  • Slide the mouse without moving the pointer.
  • It is very important to have your forearm in a horizontal position. The optimal arm angle may be achieved by raising your chair or using an underdesk keyboard tray to lower the mouse.
  • Position the mouse close to you to avoid extending your arm outwards.
  • Relax your shoulder.

VerticalMouse D, VerticalMouse 4

Top button – left click

Wheel button – forward

Middle button – wheel/middle click

Bottom button – right click

Upper thumb button – back

Bottom thumb button – requires driver to function

VerticalMouse C

Top button – left click

Wheel button – there is no wheel click on VMC

Middle button – wheel/middle click

Bottom button – right click

Upper thumb button – back

Bottom thumb button – requires driver to function

  • On the VerticalMouse, there are three flat buttons on the side. Evoluent makes the middle button perform the middle click, also known as wheel click, because pressing a flat button is more comfortable than pressing a wheel as is common with other mice.
  • Early computer mice had three buttons but no wheel. When the wheel was introduced, it doubled as the middle button since horizontal mice are not wide enough for three buttons and a wheel.
  • Evoluent VerticalMouse has enough height to provide three proper buttons again. If you prefer the wheel for wheel click, please download the driver to program the wheel button as wheel click.
  • When the driver is installed, some button functions are different from system default. Open Mouse Manager to check the functions.
  • The program or app you are using might be customized with different button functions than the global settings on the Buttons tab. In Mouse Manager, open Customize Buttons for Different Programs to check whether your programs has been customized.

When the driver is installed, and the Eye Comfort function is enabled with Dim Pop-Ups selected, the right click menu does not appear in some Microsoft Office programs when nothing in the document is selected. This issue may be avoided by changing the dimming method to Undim Pop-Ups.

Your system might be configured for a horizontal left-handed mouse. Go to Control Panel, Mouse, Buttons tab to uncheck Switch Primary and Secondary Buttons.

If you often unintentionally press a button, you may disable the button. Please install the driver and select the Disabled function for the button.

The desk surface may be too reflective. Test the mouse on a piece of white printer paper. If it tracks correctly on the paper, the mouse is working properly. Use a mouse pad to improve tracking.

  • Go to Control Panel, Mouse, Pointer Options to uncheck the box for Enhance Pointer Precision (this system feature actually makes the pointer jumpy).
  • Adjust the pointer speed with the pointer speed slider in Mouse, Pointer Options.
  • Press the pointer speed button behind the wheel to select a slower speed for more precise control.

Earlier models have an illuminated logo that cannot be turned off. Later models may be turned off this way:

  1. Unplug the VerticalMouse 4 when the computer is on.
  2. Press and hold the – end of the pointer speed button and plug in the USB connector. If your mouse is a later production unit, the logo will turn off. To turn on the logo again, press and hold the + end of the pointer speed button when you plug in the USB connector.
  • Slide the power switch on the bottom of the mouse to the green position.
  • Install a fresh battery with the + terminal facing out.
  • Remove the receiver and reinsert it to see if Windows makes the disconnect and reconnect sounds. Ensure that computer speakers are connected and the volume is turned on.
  • The receiver might not be paired with the VerticalMouse. Pair the receiver with the mouse according to the instructions below
  • The battery may be running low. Replace the battery if the pointer speed lights are blinking rapidly whenever the mouse is moved.
  • The mousing surface may be too reflective for the sensor. Try a non-reflective mouse pad.
  • The receiver may be suffering from signal interference due to proximity to other USB devices or cables. Use another USB port farther away from other USB devices or plugs, or use an USB extension to position the receiver even farther away.

VerticalMouse 4 Right Mac and Bluetooth models do not have receivers. They connect to Mac computers via the computers’ built-in Bluetooth function.

The lights blink rapidly when the battery is low. Replace the battery.

On VM4, VMC and VMD models:

  1. Press and hold the top thumb button.
  2. Turn on the power switch. The lights will flash on, off, and on again.
  3. Quickly insert the receiver into a USB port. The lights will flash twice when pairing is successful.
  4. Release the thumb button.

VM4 with a small pairing hole on the bottom above the signature:

  1. Slide the power switch under the mouse to the On or green position.
  2. Insert the receiver in a USB port.
  3. Download the receiver pairing utility here (for Windows only). Click Run. When it finishes downloading, click Run again to start the utility and follow its instructions.
  • Windows enables the mouse to wake the computer from sleep by moving it. The setting is in Control Panel, Device Manager, Mice and other pointing devices, Evoluent VerticalMouse, Power Management.
  • Slight vibrations to the desk may result in the mouse moving enough to unintentionally wake the computer. This issue may be prevented by disabling the wake feature in Power Management.
  • Windows always enables this feature again whenever the mouse is plugged in, when the driver is first installed, or when the driver is reinstalled. To prevent the mouse from inadvertently waking the computer, disable the feature again after plugging in the mouse or installing driver updates.
  • This task may be made more convenient by creating and running a simple file that disables the wake setting.
    1. On the desktop, right click and select New, Text Document.
    2. Double click on the file to open it. Copy and paste the following one line of text into it:

      powercfg /devicedisablewake “Evoluent VerticalMouse”

    3. Save and close the file.
    4. Rename the file extension from .txt to .bat (to see the file extension, you may have to uncheck “Hide extensions for know file types” in system folder options)
    5. To run the file, right click the file and click Run as Administrator.
    6. After it is run, VerticalMouse will not wake the computer when it is moved, until the next time it is plugged in again or the driver is updated.

The shortcut on the top row are supported by Windows. They may not work in other operating systems.

Mouse Friendly Right Handed Keyboard (R3K)

Undo – undo the last action or Ctrl Z.
Cut – cut item to clipboard or Ctrl X.
Copy – copy item to clipboard or Ctrl C.
Paste – paste item to clipboard or Ctrl V.
Web – open the default web browser.
E-Mail – open the default email program.
Comp – open my computer to see all the drives.
Prev – go back one track in the media player if there is a previous track.
Play – play or pause the media player.
Next – go back one track in the media player if there is a next track.
Volume- – reduce the sound volume.
Volume+ – increase the sound volume.
Mute – mute the sound output.
Sleep – put the computer on sleep mode.
ShutDn – shut down the computer.
Note: eject key for Mac is F12.

Essentials Compact eject key for Mac is F12Keyboard (EKB)

Undo – undo the last action or Ctrl Z.
Cut – cut item to clipboard or Ctrl X.
Copy – copy item to clipboard or Ctrl C.
Paste – paste item to clipboard or Ctrl V.
Web – open the default web browser.
E-Mail – open the default email program.
Comp – open my computer to see all the drives.
Mute – mute the sound output.
Volume- – reduce the sound volume.
Volume+ – increase the sound volume.
Sleep – put the computer on sleep mode.
Turn Off – shut down the computer.
Note: eject key for Mac is F12.

Jumpy (neelpuntambekar) Mac Os Update

If you have any other issues or questions, please contact us. We will be happy to help you!

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Jumpy (Neelpuntambekar) Mac OS

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