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Mouse cursor lags with external monitor

hello,

i have just purchased a dell u2913wm monitor with a native resolution of 2560x1080. when connected to my macbook air (with mountain lion) using a mini displayport cable my cursor starts lagging on both screens. basically, when i move the mouse along a line on my desk the cursor results in a very erratic trajectory. this occurs when using a usb mouse and with the integrated trackpad. if the monitor is turned off or unplugged the mouse is smooth again. .


a similar problem was reported a few years ago but somehow the thread is just archived ( https://discussions.apple.com/thread/1965949?start=0&tstart=0 ).

also, i had trouble with the monitor that osx recognised it as ypbpr, so i had to force it to treat it as rgb device, because otherwise the image was unsharp.


on my macbook (mid 2010) running mavericks the cursor is smooth, so the monitor and the cable are apparently not faulty.

MacBook Air, OS X Mountain Lion (10.8.5)

Posted on Oct 24, 2013 12:23 PM

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Question marked as Top-ranking reply

Posted on Nov 21, 2016 10:21 PM

SOLUTION HERE:


Unplug screen connector (In my case mini-dp to HDMI) on the mini-dp end and plug it in again.


I personally use both bluetooth keyboard and trackpad, running OSX Sierra on a MacBook Air early 2015.


This solved the cursor lag after sleep.


Note: The cursor lag is both for the onboard AND external trackpad.

208 replies

Apr 28, 2014 6:58 AM in response to flo.riano

Hello,


my issue was:

when I plug in the HDMI monitor I would get laggy mouse. Unplugging would solve the issue.


However, I am using a Microsoft wireless mouse, so first thing I noticed is that the Touchpad was working perfectly lag free. So the issue was the wireless dongle of mouse and keyboard. Had to unplug and plug it back in. Now it's working perfectly.


MacBook Pro Retina 13" Late 2013

Apr 30, 2014 6:38 AM in response to flo.riano

I have the MacBook Pro with Retina (2.6 GHz with 16 GB 1600 MHz DDR3) with OS 10.9.2.


I'm using an Acer B296CL monitor as my external display.


Like everyone here is experiencing, I too would get the mouse/cursor stuttering on the external monitor (and on the MacBook when both connected). However this is with the mini-DP to DP cable. When I use the HDMI cable it elminates the stuttering. My setup uses a CalDigit Hub between the two machines. Since using the HDMI cable (Acer > CalDigit Hub > MacBook Pro) I haven't had any problems.


I'm assuming it's an OSX firmware issue based on everyones problems.

May 2, 2014 3:29 PM in response to deity6667

Updated to Mavericks 10.9.3 and still have the problem.


MBP Mid 2012

Dell P2314H

Mini DisplayPort -> VGA Adapter

Apple Magic Mouse


Tried:

Sleep for 10 seconds (works for a short moment and then gets back)

Open MacBook (realized that trackpad is not laggy at all)

Microsoft USB Mouse (It works)

Microsoft Wireless Mouse (same problem)

Dell Wireless Mouse (It works)

Not grounded power cable


Will try:

Different adapter

Display Port option in monitor


It ***** so much, i'm probably going to sell this MacBook, its my first Mac and i got two problems in a week (this topic problem + bluetooth headset), Apple seems to not care.

May 19, 2014 11:08 PM in response to flo.riano

Currently running OS X 10.9.3 and still experiencing pretty significant lagging with the wireless bluetooth mouse. Running two external LG/23''inch monitors via HDMI to USB adapters. Have turned off and back on, changed batteries, deleted old system pref, and still the curser lags. Any suggestions?




-HamsteakStudios

15''inch (mid 2012) MBP

240GB SSD Kingston HyperX

16GB Corseair RAM

May 20, 2014 12:01 PM in response to flo.riano

I am currently running OS X 10.9.3 using a Dell u2713HM and experience significant jumps despite the hope from some posts that 10.9.3 would fix it. I've tried the displayport version changes as well as dissabling DDC/CI. I've shut it off, unplugged it, rebooted, shut down, plugged the mouse USB direct to the macbook pro, etc and had no luck. I would say every 10 seconds or so the mouse jumps as much as half of the monitor. I just received the monitor last week. Prior to using the new monitor I had never experienced this problem. Any suggestions?

Jun 6, 2014 1:22 PM in response to flo.riano

I took, have this issue, even after 10.9.3


I have tested the following conditions



Condition 1

Macbook Pro Retina, late 2013 (10.9.3) in clamshell or open, with 1 or 2 external displays

Samsung SyncMaster S27B350 connected either HDMI, or thunderbolt to HDMI (adaptor is Apple, PNY, or generic, I've tried them all)

Logitech M705 mouse (wireless) -OR- Apple mouse

Result - Mouse skips erratically


Condition 2

#1 but with wired Microsoft Mouse (5 year old mouse, not sure on the model)

Result - mouse is smooth, but freezes for 1 second every 30 seconds or so


Condition 3

Macbook (10.9.3) in clamshell or open, with 1 or 2 external displays

Apple thunderbolt display(s)


Logitech M705 mouse (wireless)


Result - Mouse skips erratically


Condition 4

#3 but with wired Microsoft Mouse (5 year old mouse, not sure on the model)

Result - seems to be ok


Condition 5

Macbook (10.9.3) in clamshell or open, with 1 or 2 external displays

1 Acer monitor through HMDI, 1 x-star monitor (connected using this since monitor requires Dual Link DVI)

Also, mouse is connected through USB hub

Result - seems to be ok

(I think this is surprising, and is the reason I didn't bring it up before, as this is my home setup. I think it's significant because the X-star monitor has no logic board in it. It's literally a display with only a single valid input, a DUAL-LINK DVI)


Condition 6

Macbook pro with no external display and any mouse

Result - Always ok


Condition 7

Any external displays with built-in trackpad

Result - seems to be ok, but harder to tell

Mouse cursor lags with external monitor

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