OS X :: Mouse Stutter Around Screen After Startup
Jan 11, 2011
I don't know how to really describe this other than once my computer has been on for a while the mouse starts to stutter if I move it too fast and changing windows is slower. Clicks and moments are delayed as well. I have a dual-core Macbook pro with 8GB of ram so I'm guessing it's not that and when I keep the activity window open I see nothing really strange when it's happening. I've tried closing individual apps to see if it goes away but it doesn't.
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Apr 5, 2007
My brother's iBook G4 (I think it's a 2003 model) has a problem with the screen. When the computer is turned on, the screen stays black, although the backlight is on (the apple glows). Sometimes, on start up, the screen works normally for a random amount of time before going fuzzy and then black again.
Any ideas on how to fix this? Is it likely to be a problem with the hardware in the actual computer, or just the screen? Or is it a software thing?
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Oct 20, 2010
I see they are using the same CPU and GPU, so I'll assume they are going to stutter watching video like the other MBA's do. I'd be curious what someone more technically inclined has to say after looking at the specs and hardware, or if the flash memory hard drive might help with that.
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Nov 19, 2009
So I have a MBP 5,1 and a couple of days ago I upgraded the RAM from 2GB to 4GB (this kit) and also upgraded from the stock 250GB 5400rpm to a 320GB 7200rpm (this drive). Every thing is working out good, its faster and more responsive but for some reason it hangs momentarily when I scroll down a web page, which is often, it hangs or sticks very briefly and then resumes scrolling again. It will do it at least once every web page and sometimes 2 or 3 times.
It sounds minor but its very aggravating when surfing and scrolling a lot. I use a wireless Logitech Nano VX mouse with one of those fly wheels that spins so pages scroll according to momentum of the spin so I thought that maybe its the mouse but it also does it when I use the 2 finger scroll on the touchpad. So it must be either the hard drive or the RAM. Also is there an OS X equivalent to memtest86+ and HD Tach, so I can run some diagnostics?
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Dec 3, 2009
On my Al macbook just recently when I hit Cmd-T to open a tab, safari starts to stutter, beach ball, and a distorted screen image (the size of the browser) appears for 3-5 seconds and the tab finally becomes available. what is going on here and how can I fix it? Never had a problem before and I'm using the latest Safari update.
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Jun 19, 2012
6 month old MBP 15", been running 100% fine, plugged it into a projector the other day and it auto changed the screen resolution. I unplugged the device, went into settings and changed my screen resolution back to it's factory size as well as command & the minus key to make sure I wasn't zoomed in on anything.
I then did a system update for the following; Airport utility, Safari, Ricoh Printer, Digital Camera Raw, java, Itunes.
Restarted the computer as the updates had finished, then when turning back on the loading screen with the grey background, apple symbol and rotating loading symbol was zoomed in as much as the resolution would allow. So i restarted a couple more times, still the same thing - every time i turn the computer on the loading screen is massivly zoomed in, once it's done loading and moves to the log in screen it is fine.
I've tried plugging into the projecter again and editing my settings, that did nothing. It's like because i updated while the settings where wonky it's saved it somehow?
Info:
MacBook Pro (15-inch Late 2011), Mac OS X (10.7.4), Only on loading screen!
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Jan 18, 2009
After nph brought up his concerns about HD content on the Airs I went to the Apple Store to check it out for myself. I tried watching HD youtube videos on the highest end Air (rev B 1.8 ghz / 128 ssd) and on the lowest end Macbook and Pro. I let the videos fully load before watching them to eliminate variances in network lag. Please do the same if you wish to verify the results.
The MBA stuttered every few seconds throughout the video. The MB and MBP unibody machines were able to play the video without stutter. CPU use on the MBA fluctuated between about 130 - 170% while it was about 130 - 140% on the MB and MBP according to activity monitor. What are your results with rev A and rev B MBA machines on the following short HD video? Does it stutter for you or are you able to watch the full video without any stutter? What changes have you made compared to the stock install from the store? [URL]
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Dec 13, 2009
I have a 2008 15" 2.4GHz unibody macbook pro with the Nvidia 9400 & 9600 GPU's. It works great, but i notice when playing 720p HD video in Quicktime X, the video is often kind of stuttery at first when i skip through the video, and sometimes beachballs. I am disappointed, because i often like to skip to certain parts in videos (especially TV Shows/Movies). It doesn't do this with smaller videos.
I only have 2GB of RAM. Do you think upgrading the RAM to atleast 4GB would help with this problem? I am on the 9600 with the "Higher Performance" option. Do you notice this at all?
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Sep 25, 2010
This is my first Mac user problem posting going back to my original SE! Power PC based imac running leopard 10.5.8 starts up but then mouse freezes after a few mins. Managed to change sleep mode to 15mins - same problem. Can't boot from Disk as same problem, also command+option and shift all still have mouse unmoved! Obvious change of keyboard and mouse have no effect. Could this be related to offspring's addition of ipad plugged into usb a few weeks back? He tends to unplug the device without ejecting!
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Mar 29, 2012
After starting up my Mac Pro, I notice slow start up, and that the mouse does note respond for several minutes.
Info:
Mac Pro, Mac OS X (10.6.8)
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Aug 7, 2010
I have a mini, about 4 years of age, since the update to 10.6.4 when the mouse is attached to the keyboard it is nor recognised on startup unless I unplug it and plug it in again, when it springs to life. It is not an apple mouse, just a cheapo boa usb mouse. The keyboard (aluminium, same age as mini) is plugged into a powered usb hub. I have played around a bit and even when the keyboard is plugged directly into the mini the mouse is not seen at first. However, when the mouse is plugged directly into the mini there are no problems.
I have swapped the mouse with a variety of other mice including one from an ancient imac, it makes no difference. Is this a symptom of possible keyboard failure to come, or something else?
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Sep 2, 2014
This has just started happening a few days ago. I think it has something to do with bluetooth. Every time I have to restart my iMac, the mouse and keyboard freeze. I work around this by unplugging the mouse from the keyboard and plugging it into one of the usb ports on the back of the imac. I used to have a wireless keyboard and mouse and I'm typing on it now because the regular wired keyboard no longer seems to work at all now. I think the bluetooth setting sin system preferences which are all checked, may have something to do with this but not sure. Everything else on the machijne is fine. How can I set things so that I can use my wired keyboard?
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Apr 30, 2007
My iBook will not display anything on its screen. Rather, it just remains black. One time, the screen did come on, but then shortly after booting, it flickered a lot and then went black again. A year ago, something similiar happened and when I took it to be serviced (when I had AppleCare), they had to send it away and have a new logic board installed. Now this machine is out of warrenty and and I am not sure what to do, or even if it is the same problem. Any suggestions?? Thanks!
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Jun 3, 2014
After an update(I think) I can no longer get into my computer. When turned on I get the apple logo then a grey screen that turns to black but the curser is active . Then there is no more progress to the startup screen
Info:
MacBook Pro, iOS 7.1.1
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May 5, 2012
I've had my mac for about three years now and everything was working fine. After I installed lion, I notice that this started to happen. I don't lose any of my information though when it does that. It just goes into a sleep mode I guess? Anyways, is this a feature from the lion update? Something standard?
Info:
MacBook Pro, iOS 5.1
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Jul 3, 2012
New to Mac computers. When trying to open computer after being in sleep mode, I clicked the mouse to open the password screen, & a blank blue/black screen appeared & the mouse timer( colored circle) appeared, as if to be waiting. I had to unplug the computer to reboot it. This has happened twice in 2 days.
Info:
iMac (27-inch Mid 2011)
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Apr 3, 2009
i have my pc,running xp,and my mac,running tiger, running side by side. I need a(preferably free)software that will allow me to use one mouse and one keyboard with the. Just a simple little program thatll let me drag my mouse from screen to screen
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Jan 2, 2010
I store my movies in itunes on an external drive connected to an airport extreme. The external HDD is LaCie 1TB. I get a "stutter" (for lack of better description) every minute and a half to two minutes during playback; very annoying. I am not sure if this affects anything but I increased streaming buffer size to large under advanced options with no positive effect.
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Dec 11, 2008
I have a decent size music library(40+gig) on my late MB and i find that iTunes is slow to load when I open it and sometimes when im clicking around songs there is a half second pause before the song is highlighted and then starts to play. Since the program is pulling the info off the HD im thinking that if i got a higher capacity 7200 rpm drive that this would help (currently my stock 150gig only has 50gigs left) with this stutter or would upgrading to 4gig ram?
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Jun 21, 2009
Something really simple I'm sure. I've just reformatted and setup an iMac for my parents. With the existing Admin account I created another one with Admin priveleges. So my mum had one and my dad. However when I turn on the iMac it doesn't display a logi screen so that my mum or dad can select which account they want to use and enter their password. It automatically loads into the first main admin user account.
The only way to switch to the other one is to click the apple at the top left and select log off.
Question: How can I get the login screen upon startup so my parents can select their own account?
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Jul 2, 2009
I was sitting on the internet, when my macbook just shut off. Now when I try and start it up, it just goes on the startup screen for 15 seconds and then shuts off! I have tried like 20 times, literally, and it still won't work!
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Oct 5, 2009
upon startup i see a gray screen, the apple logo, and spinning gears. Then the apple logo turns into a circle with a line through it and stays that way forever. I call apple support. They got me to run disk utility by booting from install disk. Then running repair disk and repair permissions. Then boot into safe mode and computer works fine...for a few restarts then does the same thing.
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Feb 4, 2012
Can a bad video card make a Mac Pro stall out at the grey screen, spinning ball, but yet able to boot in safe mode?
Info:
Mac Pro, Mac OS X (10.6.8)
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Mar 23, 2012
Just got my macpro few days ago and black screen shows at start up, sound and keyboard light will turn on Except for the screen. I dont know what to do!
Info:MacBook Pro (15-inch Late 2011)
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Apr 27, 2012
i just updated efi firmware on my macbook pro (late 2011).. and my mbp always starts with a grey screen (not white screen anymore) and the apple logo with a status wheel evertime i turn it on.
Info:
MacBook Pro, Mac OS X (10.7.3)
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Sep 3, 2014
Macbook Pro screen won't come on at startup. The laptop is running and I can control volume, illuminated keypad - but not the screen.
Info:
iMac, OS X Mountain Lion, CD slot retrieval
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Nov 18, 2009
I have a Mac intel 2 x 266 intel. About a year ago, my mouse started having a mind of its own and just would slide across the screen, it just occurred every so often, but in recent times it is continually happening (at least every 3 minutes). A little embarrassing when a PC user uses my Mac and comments upon it. Any ideas how to solve?
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Mar 27, 2012
my hole screen moves with my mouse and is zoomed in to how do i fix it?
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Sep 28, 2010
I have a Mac Pro (Early 2008) running on 10.5.8 OSX with apple 20" display and 16G RAM.
Initially started with my MACPRO not waking up from sleep and has to force the shut down with power button. Finally realised it was due to my Epson scanner connected via USB...
The main issues now is with the display, black screen on startup. I can still control the volume and disk eject/close, just no display. Force shut down with power button numerous time but futile. Finally solved it with SMC reset.
it becomes an on and off issues... and continuously I solved it with SMC reset.... sometimes needed 2 or 3 resets to get it to work,and finally for the past few days... SMC reset can't solve it either... no display on startup, and same thing I can control the volume and disk eject/close. Have tried my monitor on other mac and it worked fine.
Now this is strange. if I let the mac cool off totally,after a SMC reset. the display will comes up fine...
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Dec 3, 2010
Would anyone know how to have the mac bootscreen load at each startup, without hold alt AND without having to install reFit?
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