Mouse cursor lags with external monitor

No, no white trail for me. All the rest is the same. Can you upload a screenshot with the trail to see what you mean?

I have tried to capture video with iphone but camera cannot capture it... white trail of mouse pointer is mostly visible on light gray (top of e.g. safari window)... there is no visible trail on builtin display on macbook...

I have connected MBP 15 2012 with discrete GPU... it doesn't have mouse lag problem... but it also have mouse trail on my u2713H...

same Dell cable... miniDP to DP was used

Here is more on "mouse trail" http://en.community.dell.com/support-forums/peripherals/f/3529/t/19513238.aspx

It is called RTC overdrive and it looks like there is no option in Dell menu to disable this "feature"...

anyway, this is not related to problem that mouse start to lag just after waking up MBP with HD5000 from sleep ...I could live with RTC but wakeup problem with mac is a real problem (I do not want to go to menu to disable/enable DP 1.2 each time my macbook wakes...)

I have the same problem. New (Haswell) MBP w/ Mavericks. My old Air doesn't have the problem. Turning off the monitor for 10s then back on again seems to fix it about half the time. Very frustrating. Given that this has been reported as far back as 2009, I do not think we should expect Apple to fix this problem. They simply do not care. Shame.

I bought a dual link DVI adapter to try how it works with 2560x1440 resolution, end result: works fine, and there is no mouse lag. So for me this "fixed" the problem, of course would be much nicer to just be able to use the displayport cable. I also hate having to pay 99 euros for a simple adapter.

Exact same issue here. Late 2013 13" Retina MBP, external monitor is Dell U3014 connected with a Mini DisplayPort to DisplayPort cable.

Mouse lags until I enter the monitor menu. I have a couple DP-DualDVI adapters lying around here, will give that a shot.

I rearranged my work desk, and opened the MBP's lid instead of having it in clamshell. ...it is now all just fine. Not logical though...

I have the same issue. Mouse lags and gets useless when I plug in a external display.

Computer:

MaBook Pro Retina 15-inch, Late 2013

16 GB

OS X 10.9.1

External display:

Hp LP2465

Connection:

HDMI port to DVI port with adapter

I have been having these exact issues with my Dell U2713H connected via DisplayPort to a 2013 MacBook Air 13". It even makes the keyboard unreliable as it seemingly misses both key up and down events when it's spacing out every 1 or 2 seconds, making keys not work and even more annoyingly, stick.

I've tried sleeping/waking the computer, disconnecting/reconnecting the screen, turning the screen on/off and numerous other things. Nothing seems to help reliably.

Today I went through the menus on the screen and on a lark enabled DisplayPort 1.2 (Menu, Display Settings, DisplayPort 1.2) and it's been fine for a couple of hours now. I don't dare disconnect should it start misbehaving again, but at the very least it's a thing to try if you're having problems as well.

Same problem with two Macs: a 15" rMBP mid-2012 and a mid 2012 13" MBP.

Monitor: Dell U2713

Connection: mDP to DP cable (not the Dell cable)

When I go to Menu / Display Settings (or Other Settings), I don't see anything for changing the DisplayPort version. How do I get that?

Same problem here with a 13" rMBP Late 2013 and a Dell U2713H...

Before i bought the U2713H, i got 2 U2713HM and had nor Problems.

Now with the U2713H i have the RGB YPbPr problem (I fixed it with the ruby script) and the lagging Mouse...

A solution for this Problem would be very nice!

Best wishes

I'm also having the mouse lag issue on the following configuration:

MBP Retina 15" Late 2013, using a 30" Apple Cinema Display connected via the Apple Dual DVI adapter.

I'm using a Magic Mouse and the issue only occurs with the lid closed. Sometimes it's allright, but i don't know why, couldn't figure out the pattern until the next reboot.

Would be great to have a solution to this!

So I plugged in a wired mouse and I'm not experiencing any issues. Both a wireless mouse (with dongle) and Bluetooth mouse are having issues.

I'm suspecting RF interferences... I came across an article last night that talked about how USB3 (of which there is a hub in the Dell U2713HM) can cause RF interferences. I also read that there are issues with Thunderbolt creating interferences on the 2.4GHz frequency (used by wireless devices)... and so when you plug in either a mDP cable you're essentially creating an antenna which amplifies the issue.

Now, I don't get this problem when I use my 23" Dell monitor via the same mDP to DP cable so I don't think that's what is creating the issue. This is so confusing and is looking more and more like a witch hunt and voodoo to me.

So for the time being, I'm using my wired mouse.

Same problem with a macbook air mid 2013 13", i5, HD5000, connected to a Dell U2713H. Cursor jumps, but as sendaal says sometimes it's allright, very annoying. I had my macbook checked in the store but they couldn't find anything.

I tried a Logitech mouse, apples usb mouse, and the magic mouse with bluetooth connection, always the same problem.

I am using the original dell mDP to DP cable. At the store I tried the apple thunderbolt display which seems not to have the problem. I am wondering if a mDP to mDP cable could be a solution.

The problem with the colour mode can be fixed with the EDID override file. Works just fine.

A solution would be great, don't want to get rid of the dell display.

guys, you are right.

when I change the DDC/CI settings on the display, it's immediatly gone (maybe it's any setting). However, if you turn of the monitor, you have to set it again.

Whatever the reason.