MacBook very very slow, crashing from time to time

Today I found my mac freezing with safari. So i decided to restart my computer. However, when I did, my mac took quite a while before it started up again. It would stay on each stage for ~5 mins each (white screen apple loading, blue screen, desktop loading). At the blue screen stage, I can see my mouse cursor and I can move the cursor around. At the desktop loading stage, the mouse cursor would change to the rainbow wheel. Opening applications like Mail, Safari and Word would cause my mac to freeze and hang for a while before fully loading it up. I've downloaded programs like Onyx to try and clean up my computer and even tried to follow other forum posts in terms of cleaning up my hard drive like the one where you go into terminal and type diskutil repair Volume.
I've done so myself but I get this message in response:
w47:~ ****$ diskutil repairVolume
Usage: diskutil repairVolume MountPoint|DiskIdentifier|DeviceNode
Repair the file system data structure of a volume.
Ownership of the affected disk is required.
w47:~ ****$ diskutil repairVolume /Volumes/"Macintosh HD"
Started filesystem repair on disk0s2 Macintosh HD
Error: -10000: Could not unmount disk
I'm currently at University right now and my macbook disc that i bought my macbook with is at home. I don't have access to an Apple store in my town (aka going in for help at a genius bar).
Bottom line, I'm just wondering is there anything I can do now to fix this problem? I'll probably have to take it in to get it checked out when I have time.

Step one is to repair the HD. Reformatting is normally not required. Reinstalling the OS after the disk passes that repair cycle might be. Additionally, see:
Mac Maintenance Quick Assist,
Mac OS X speed FAQ,
Speeding up Macs,
Macintosh OS X Routine Maintenance
Essential Mac Maintenance: Get set up,
Essential Mac Maintenance: Rev up your routines,
Maintaining OS X,
Five Mac maintenance myths, and
Myths of required versus not required maintenance for Mac OS X for information.

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Macbook very slow when estimate time for indexing

Hello,
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Bob -
Was wondering if you can elaborate on your response and perhaps help me? I apologize if I have missed this topic covered elsewhere.
I am using a N-capable Time Capsule and an older model G-speed airport express. My biggest issue is that my wireless speeds are 1.5 download and 1.9 upload when in fact my cable modem pumps out 15! In reading your posts I see that my network is likely dropped down to G due to my old express, and in fact my computer may be running of a spliced version of that if using WDS settings?
I think i'll end up calling apple support at some point but was curious if you can go over the facts of using N and G together, and if i can have my macbook pro speak to my N network only and my iphone 3G speak to G airport express only?
Last piece of info is I use the airport express for my music.... not sure if this means they must be WDS or not? I'm just looking to get my N devices as fast as possible while continuing to use my G express. If you tell me i need to upgrade to a N express I can live with it.... but if i can avoid the $100 and work with what i have...all the better!
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First, back up all data immediately, as your boot drive may be failing.
If you have more than ten or so files or folders on your Desktop, move them, temporarily at least, somewhere else in your home folder.
If iCloud is enabled, disable it.
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Hi,
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Jim
======= POSTED to Application Server - General forum ============
I think that I was able to temporarily work around this problem, plus another problem that I think is related (see: New OIF installation - Very slow response from OHS
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Jim

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You could just disable updates. Change these settings in about:config.
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☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
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Please do not indiscriminately dump thousands of lines from the log into this discussion.
Important: Some private information, such as your name, may appear in the log. Anonymize before posting.
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In the Console window, look under User Diagnostic Reports for crash reports related to the crashed process. The report name starts with the name of the process, and ends with ".crash". Select the most recent report and post the entire contents — again, the text, not a screenshot. In the interest of privacy, I suggest that, before posting, you edit out the “Anonymous UUID,” a long string of letters, numbers, and dashes in the header of the report, if it’s present (it may not be.) Please don’t post shutdownStall, spin, or hang logs — they're very long and not helpful.

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http://sqlblog.com/blogs/uri_dimant/
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I have replaced Ram, formatted Harddrive and reinstalled Yosemite, the install took 11 hours. The boot up takes ages and when opening apps I get spinning wheels and they take ages to open. Even typing this the text is delayed, please assist:
Problem description:
My macbook is extremely slow and continuously shows the spinning wheel when opening new apps or switching between apps, the bootup is very long. I have changed the Ramand performed a fresh install of Yosemite, the install took 11 hours
EtreCheck version: 2.0.11 (98)
Report generated November 9, 2014 at 6:44:19 AM GMT+2
Hardware Information: ℹ️
MacBook Pro (13-inch, Mid 2012) (Verified)
MacBook Pro - model: MacBookPro9,2
1 2.5 GHz Intel Core i5 CPU: 2-core
8 GB RAM Upgradeable
BANK 0/DIMM0
4 GB DDR3 1600 MHz ok
BANK 1/DIMM0
4 GB DDR3 1600 MHz ok
Bluetooth: Good - Handoff/Airdrop2 supported
Wireless: en1: 802.11 a/b/g/n
Video Information: ℹ️
Intel HD Graphics 4000 -
Color LCD 1280 x 800
System Software: ℹ️
OS X 10.10 (14A389) - Uptime: 0:39:24
Disk Information: ℹ️
TOSHIBA MK5065GSXF disk0 : (500.11 GB)
S.M.A.R.T. Status: Verified
EFI (disk0s1) <not mounted> : 210 MB
Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
Jarrod (disk1) / [Startup]: 498.88 GB (480.23 GB free)
Core Storage: disk0s2 499.25 GB Online
MATSHITADVD-R   UJ-8A8
USB Information: ℹ️
Apple Inc. FaceTime HD Camera (Built-in)
Apple Inc. Apple Internal Keyboard / Trackpad
Apple Computer, Inc. IR Receiver
Apple Inc. BRCM20702 Hub
Apple Inc. Bluetooth USB Host Controller
Thunderbolt Information: ℹ️
Apple Inc. thunderbolt_bus
Gatekeeper: ℹ️
Mac App Store and identified developers
User Login Items: ℹ️
None
Internet Plug-ins: ℹ️
Default Browser: Version: 600 - SDK 10.10
QuickTime Plugin: Version: 7.7.3
3rd Party Preference Panes: ℹ️
None
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120 MB com.apple.WebKit.WebContent
60 MB mds_stores
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If your Mac runs slowly
http://support.apple.com/kb/PH19031?viewlocale=en_US&locale=en_US
Start up in Safe Mode. http://support.apple.com/en-us/HT1564
Reset SMC.     http://support.apple.com/kb/HT3964
Choose the method for:
"Resetting SMC on portables with a battery you should not remove on your own".
Repair Disk
Steps 1 through 7
http://support.apple.com/kb/PH5836

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I'm trying to help my father solve a networking problem.
For the past several years, I had him using an airport base station and (2) Airport Express units as extenders.
He was using a circa 2004 Powerbook G4 17" and a MacPro Dual Core tower unit.
I finally got him to upgrade the Powerbook to a the new Macbook Pro i7. With the older computer out of the loop, I also upgraded him to Time Capsule.
Everything is installed and running now. However, the network speed in portions of the house where the Express is supplying the signal is very slow. A test on the laptop with DSL Reports gave an average upload speed of about 200.
When I move the laptop right next to the Time Capsule, I got a DSL Report speed of 22,000!
This issue is not laptop specific (it shows up more on the MacPro because it's in a back room), but seems directly related to the speed passing through the Airport Express.
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Thanks!

Bob -
Was wondering if you can elaborate on your response and perhaps help me? I apologize if I have missed this topic covered elsewhere.
I am using a N-capable Time Capsule and an older model G-speed airport express. My biggest issue is that my wireless speeds are 1.5 download and 1.9 upload when in fact my cable modem pumps out 15! In reading your posts I see that my network is likely dropped down to G due to my old express, and in fact my computer may be running of a spliced version of that if using WDS settings?
I think i'll end up calling apple support at some point but was curious if you can go over the facts of using N and G together, and if i can have my macbook pro speak to my N network only and my iphone 3G speak to G airport express only?
Last piece of info is I use the airport express for my music.... not sure if this means they must be WDS or not? I'm just looking to get my N devices as fast as possible while continuing to use my G express. If you tell me i need to upgrade to a N express I can live with it.... but if i can avoid the $100 and work with what i have...all the better!
Thanks in advance,
Joe

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Hi All
I have many Web Application is running in SharePoint Farm. Since yesterday one of the web application started responding very slow. It takes 5 to 6 mins to load the page. Some time i received request timed out error message. But all other web applications
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i would recommend enable the developer dashboard on the web app and check which task is consuming the more time i.e. webpart, query to database etc.
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I did some tests using speakeasy.net (a free on-line speed test). They confirmed my subjective experience. My wireless 'N' Time Machine downloads were around 490kbps. When I connected to the Linksys 'G' router, my download speeds jumped to 11,000+ kbps.
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