My iMac starterd up very slow and when it did it has a white screen with little black dots on it

my mac is starting very slow and it hasa white screen with little black dots.

Hello,
Have you blown the dust out lately?
Get Temperature Monitor to see if it's heat related...
http://www.macupdate.com/info.php/id/12381/temperature-monitor
iStat Menus...
http://bjango.com/mac/istatmenus/
And/or iStat Pro...
http://www.islayer.com/apps/istatpro/
See if the Disk is issuing any S.M.A.R.T errors in Disk Utility...
http://support.apple.com/kb/PH7029
Open Activity Monitor in Applications>Utilities, select All Processes & sort on CPU%, any indications there?
How much RAM & free space do you have also, click on the Memory & Disk Usage Tabs.
Open Console in Utilities & see if there are any clues or repeating messages.
In the Memory tab of Activity Monitor, are there a lot of Pageouts?

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I am having a problem with my cs6 running very slow and when i save i am getting an error message that says, "This document is bigger than 2 gb (the file may not be read correctly by some TIFF viewers.) please help

I am having a problem with my cs6 running very slow and when i save i am getting an error message that says, "This document is bigger than 2 gb (the file may not be read correctly by some TIFF viewers.) please help

wen6275,
It looks like you're actually using a camera or phone to take a photo of your monitor.
That's not what is commonly known as a "screen shot".
It looks like you're on a Mac. Hitting Command+Shift+3 places a capture of the contents of your entire monitor on your Desktop; hitting Command+Shift+4 will give you a cross-hairs cursor for you to select just the portion you want to capture.
I'm mentioning this because I fear I'm not construing your original post correctly when you type "I am working with a large files [sic], currently it has 149 layers, all of which are high resolution photographs", so I'm wondering if there's some similar use of your own idiosyncratic nomenclature in your description of your troublesome file.
Perhaps I'm just having a major senior moment myself, but I'm utterly unable to imagine such a file. Would you mind elaborating?

I have a MBP 13 EArly 2011 in my laptop problem is when i shutdown my laptop and again start it its very slow and when i put my laptop on sleep and after five minutes everythings fine.Some body know about this problem???????

I have a MBP 13 EArly 2011 in my laptop problem is when i shutdown my laptop and again start it its very slow and when i put my laptop on sleep and after five minutes everythings fine.Some body know about this problem???????

You may find this user tip article helpful:
https://discussions.apple.com/docs/DOC-3521
Ciao.

My Ipod was in my back pocket and when I took it out it has a white screen with 3 grey lines going threw it, and not even 5mins before, it was working fine... what could i be? it also isnt hooking up to itunes... please help

My Ipod was in my back pocket and when I took it out it has a white screen with 3 grey lines going threw it, and not even 5mins before, it was working fine... what could i be? it also isnt hooking up to itunes... please help

Try:
- iOS: Not responding or does not turn on
- Also try DFU mode after try recovery mode
How to put iPod touch / iPhone into DFU mode « Karthik's scribblings
- If not successful and you can't fully turn the iOS device fully off, let the battery fully drain. After charging for an least an hour try the above again.
- If still not successful that usually indicates a hardware problem and an appointment at the Genius Bar of an Apple store is in order.
Apple Retail Store - Genius Bar

When I turn my computer on,it asks me to log in, and when I do, it is a white screen. HELP!

When I turn my computer on,it asks me to log in, and when I do, it is a white screen. HELP!

Welcome to Apple Discussions
You may have a corrupt System File in your OS on on your HD. Try doing a repair (Command-R) boot running disk tools repair disk and repair permissions on your boot volume. If that fails do a reinstall of the OS.

HT4623 I downloaded ios7 and initially it was working fine. Now it is flashing from my home screen to the white screen with the black apple every 3-5 seconds. It's so annoying and I can't make it stop! I tried shutting down all the way - nope! HELP!

I downloaded ios7 on my iphone 5 yesterday. All day it worked fine, then last evening it started blinking from the white screen with the black apple to my home screen. Each screen only stays up for 3-5 seconds then switches back. I have tried shutting down and it is still happening! Does anyone know how to fix this issue without having to go into the store?

Your power adapter is OK. If the only place it will not work is in your home, your house wiring and / or the appliances connected to it are likely to be the reason your Mac will not charge.
From Troubleshooting MagSafe adapters:
Identify line noise issues.
Unplug the power adapter from the wall, let it sit for 60 seconds, then plug the adapter back in.
If the adapter works after this 60-second "rest", you most likely have a line noise issue with your power source. You should reset the adapter periodically by repeating this moment of rest. This issue occurs when the AC adapter's "over voltage protection" feature senses ground noise and then turns off the adapter.
Some possible sources of line noise include lights with ballasts, refrigerators, or mini-refrigerators that are on the same electrical circuit as your computer. This behavior may not occur if you plug the power adapter into an uninterruptible power supply (UPS) or plug it into a different circuit.
Unless the adapter continues to exhibit this behavior on a known good outlet, it does not need to be replaced.
Household wiring problems are very common. They can also be very dangerous. Fortunately most problems can be easily fixed by a qualified electrician.

I bought my 6 plus last night decided to upgrade the IOS 8 like they suggest and now all I see is a white screen with the apple sign in the middle with an occasional flashing red screen. Did my new phone seriously just crash? What do I do now?

I bought my 6 plus last night decided to upgrade the IOS 8 like they suggest and now all I see is a white screen with the apple sign in the middle with an occasional flashing red screen. Did my new phone seriously just crash? What do I do now? I left it overnight with the white screen, thinking maybe it'll go away and needs time to upgrade. Woke up this morning, nope still white screen. Very disappointed with Apple. I was so excited to get my phone and can't even use it right now.

First turn the iPhone off and back on and see if it works. If that doesn't work then do a Reset by holding the Sleep / Wake Button (The Power Button) and the Home Button at the same time until the white Apple Logo appears, the release both Buttons and wait until a Full Reset occurs. The iPhone 6 should come back to your Lock-Screen. If that doesn't work then you could connect the iPhone 6 via the Lightning Cable to a Computer with a Current Version of iTunes. Then open iTunes on the Computer and wait until your see a Button that represents your attached iPhone and click on it. This should bring up a Summary Screen on the Computer within iTunes. At that point your can choose Update Software if an Update is available or Restore the iPhone to Factory Settings / New In The Box, or you could try to Restore from your Backup if a current Backup had already been saved from a previous iPhone.
If you don't have a computer with iTunes and you can get the iPhone back on, then go to Settings>General>Software Update and see if the iPhone is still on iOS 8.0 or if it is now on iOS 8.0.2

I have a white screen with a black apple logo. I cant turn phone off or on. I cant reboot it by holding both buttons and it wont connect to my computer. What do i do?

I have a white screen with a black apple logo. I cant turn phone off or on. I cant reboot it by holding both buttons and it wont connect to my computer. What do i do?

Hi wiilson Cunha,
Oh man! That definitely sounds frustrating. Let’s see if we can troubleshoot this issue by following the steps in this resource:
If your iPhone, iPad, or iPod touch doesn't respond or doesn't turn on - Apple Support
http://support.apple.com/en-us/HT201412
If your device gets stuck during startup
When starting up, you might see the Apple logo or a red or blue screen for a long time, or your device might restart again. Try these steps:
Make sure that you have iTunes 12 or later on your computer.
Put your device in recovery mode.
When you get the option to restore or update, select Update. This will reinstall iOS without erasing your data.
Get more help
If you still need help after trying the steps above, contact Apple Support.
If the issue persists, follow the final link to contact us for additional assistance.
- Matt M.

My MacBookPro has a white screen with a grey file folder in the center of the screen with a white question mark blinking in it. What does this mean? And how can I get my computer back up and running normal?

My MacBookPro has a white screen with a grey file folder in the center of the screen with a white question mark blinking in it. What does this mean? And how can I get my computer back up and running normal?

Start up in Safe Mode.
http://support.apple.com/kb/PH14204?viewlocale=en_US
Repair Disk.
http://support.apple.com/kb/PH5836
Reset PRAM.
http://support.apple.com/kb/PH14222

Ipod touch has a white screen with lines on it and wont power off and wont connect to my computer

My ipod has a white screen with line on it and wont turn off and wont connect to my computer . It wont reset or reboot with holding the on off button and home button either any help would be appreciated

http://support.apple.com/kb/TS3281
Basic troubleshooting steps
17" 2.2GHz i7 Quad-Core MacBook Pro  8G RAM  750G HD + OCZ Vertex 3 SSD Boot HD 
Got problems with your Apple iDevice-like iPhone, iPad or iPod touch? Try Troubleshooting 101
 In Memory of Steve Jobs 

My laptop won't turn on. It's been hours and all it's showing is a white screen with the apple sign and the loading circle. I've tried turning it on and off, nothing's working. Please help!

My laptop won't turn on. It's been hours and all it's showing is a white screen with the apple sign and the loading circle. I've tried turning it on and off, nothing's working. Please help!

Will it boot up in safe mode?
http://support.apple.com/kb/ph11212
or can you enter single-user mode?
https://support.apple.com/kb/ht1492
What version of OSX are you running?

My 5 month old iphone 5s just shut itself off 45 minutes ago, and I have tried charging it and the only thing that appears on the screen is a white screen with the black apple. How is this repaired?

About 45 minutes ago my iphone 5S just shut off on its own. I have tried charging it only to have the white screen with the black apple showing. How can this be repaired?

Keep it plugged in and do a reboot by holding both the power and home buttons until the apple logo appears, ignoring he red slider if that appears.

I turned on my mac and all i am getting is a white screen with a flashing envelpe

I turned on my computer and all that I see is a white screen with an file folder in the middle of screen that flahes. The file folder also has a question mark on it.

Try booting to Recovery (Command + R just after releasing the power button)
If you are running 10.6.8 or Earlier you will need the Install DVD and to hold down C instead.
Once in there go into Disk Utility, Can you see the Macintosh HD on the left hand side?
If so;
Click on it
Under the first aid tab select "Verify Disk"
Even if this comes back saying its verified and all good, click "Repair Disk" After this
If everything is good after that try restarting
If it says that you need to backup your data and reformat the drive ect, we have to do a Erase and Install.
(http://support.apple.com/kb/HT5943)
If you haven't got your data backed up you can get an external HDD install OSX onto it, then backup your files from that.
If you can't see anything on the left, the HDD is dead, or can't be mounted, head to an Apple Retail Store, or Service Provider, and if the data is important you can hit up a data recovery center.

My iMac suddenly runs very slow and freezes frequently. Ideas?

My iMac has started running very, very slow and then suddenly freezes and we have to reboot. I have no idea how to fix that....

Charly,
That's not much info to go on. Sorry you are having a problem.....
I can suggest a couple of things....
Go to "Applications>Utilities>DiskUtility"
..... run "First Aid" as shown in red boxes below....
This just might help... at least it is a start.....
I routinely use a little clean/maintenance utility called "OnyX" it performs lots of good house keeping stuff...
If this dosen't help you are going to have to ask someone smarter that I am......Again, it is a starting point at least.........
Good luck......

My iMac has a white screen with a flashing file folder with a question mark in the middle. What does that mean?

My iMac is completely unresponsive. Whenever I restart it, it's just a white screen with a flashing file folder with a question mark in the middle. What does this mean?

this means the mac cannot find the startup disc. which more times than not means you need a hdd replacement.
try starting holding the option key, then using utilities try to repair the disc.

My iMac starterd up very slow and when it did it has a white screen with little black dots on it

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