After install the lion ، the computer it's became slow

hi
After install the lion ، the computer became slow , i don't know why . my macbook Pro Core I7 4GB ram
and Adobe photoshop cs5 very very very slow i can't work with it please Help Me , My job depends on Photoshop
i thinking to back the snow leopard by Time machine if i don't find any Solution ,,, please help me

Is their any way I can delete or remove the lastest update ?
You can't "downgrade" with the present (newer) system in place. The only way you can do it is if you either saved the previous installer or made a bootable clone (or Time Machine) before you updated. The reason: you need to boot off a different drive, wipe your disk, and then fresh install the previous system (or clone it back).
You can also check in Activity Monitor (Applications > Utilities) to see which processes/apps are consuming a lot of RAM, and, check on the bottom to see how much RAM is being used, swapped, etc.
here is an example of what that looks like:
First shot is showing that the main use of RAM is by Firefox and kernel_task (part of the system):
Second shot shows the RAM being used/available (lloks good here):
If indexing has finished, can you post similar screenshots of your machine please?
And, a last question: how much free space do you have left on your hard drive? Pleae post that info as well.

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After installing mountain lion the local mail boxes disappeared

after installing mountain lion the local mail boxes disappeared.

This is my problem too:
All of my local mailboxes (On my Mac) disappeared from the sidebar. However, I do not have the 'triangle' on the Inbox that I can turn to reveal the list of mailboxes -- that disappeared too (and nothing happens when I hover over "Inbox"). I do know that the mailboxes are still there, somewhere, because when I go to create a New Mailbox, I can navigate to "On My Mac" and the entire mailbox list shows up there in the dropdown. How do I get them back onto my sidebar if the option to do that is no longer on the "Inbox" icon?

Bluetooth inactive after installing mountain lion - your computer restarted because of a problem

Good day
I read up on forums, and I think my reboot error is due to my bluetooth that is inactive, which happened after installing Mountain Lion
My Bluetooth worked before under Snow Leopard
I have deleted the file under library to no avail
I have rebooted with cmd option P R to no avail
I have repaired permissions and this is the only message that pops up, and bluetooth still does not work after reboot.
Repairing permissions for “Macintosh HD”
Warning: SUID file “System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/MacOS/ARDAg ent” has been modified and will not be repaired.
This is my CONSOLE error report
Fri Sep 14 11:27:24 2012
panic(cpu 2 caller 0xffffff8002eb7b95): Kernel trap at 0xffffff7f83acc6c2, type 14=page fault, registers:
CR0: 0x000000008001003b, CR2: 0x0000000000000008, CR3: 0x00000000050d2000, CR4: 0x00000000000606e0
RAX: 0x0000000000000000, RBX: 0x0000000000000000, RCX: 0x7fffffffffffffff, RDX: 0x0000000000000200
RSP: 0xffffff808170bd70, RBP: 0xffffff808170be20, RSI: 0x00000000000001ff, RDI: 0x0000000000000001
R8: 0x0000000000000001, R9: 0x0000000000000000, R10: 0x0000000000000001, R11: 0x0000000000000000
R12: 0xffffff800fe37401, R13: 0xffffff800d8b1e00, R14: 0xffffff800e1bb000, R15: 0xffffff7f83b06500
RFL: 0x0000000000010246, RIP: 0xffffff7f83acc6c2, CS: 0x0000000000000008, SS: 0x0000000000000010
Fault CR2: 0x0000000000000008, Error code: 0x0000000000000000, Fault CPU: 0x2
Backtrace (CPU 2), Frame : Return Address
0xffffff808170ba10 : 0xffffff8002e1d5f6
0xffffff808170ba80 : 0xffffff8002eb7b95
0xffffff808170bc50 : 0xffffff8002ece4ad
0xffffff808170bc70 : 0xffffff7f83acc6c2
0xffffff808170be20 : 0xffffff8003247b6a
0xffffff808170be80 : 0xffffff7f83ace2f4
0xffffff808170beb0 : 0xffffff800323b708
0xffffff808170bf40 : 0xffffff8003236b65
0xffffff808170bf60 : 0xffffff8002e3dcae
0xffffff808170bfb0 : 0xffffff8002eb2677
      Kernel Extensions in backtrace:
         com.apple.iokit.AppleBluetoothHCIControllerUSBTransport(4.0.9f8)[AFA59211-C064- 3DA0-83BB-DA8DD75CBED5]@0xffffff7f83ac6000->0xffffff7f83aebfff
            dependency: com.apple.iokit.IOUSBFamily(5.1.6)[3D499FAA-A5C4-3ED8-BF37-3B561ED21D64]@0xffff ff7f83463000
            dependency: com.apple.iokit.IOACPIFamily(1.4)[A35915E8-C1B0-3C0F-81DF-5515BC9002FC]@0xfffff f7f83981000
            dependency: com.apple.iokit.IOPCIFamily(2.7)[8C9E06A4-13D0-33F5-A377-9E36F0ECC229]@0xffffff 7f83441000
BSD process name corresponding to current thread: kernel_task
Mac OS version:
12B19
Please assist and I hope my thinking is correct that this is what is causing my restart error.

I have been having the same problem for the past 2 days.I installed Mountain lion 5 days ago.There wasn't any problem for the first 3 days but after that my computer won't shut down,it always restarts when i ask it to shut down and i get the same message as dan1101.what is going on????

After installing OSX Lion, the built-in camera no longer works. Solution?

After installing OS X Lion on a late 2010 MacBookPro, the built-in camera no longer works. Worked beautifully with Snow Leopard. Reset SMU to no avail. Any solutions?

Hi, Thanks for the reply, I really appreciate your help with this.
Yes to both questions: iMovie is in the Applications folder, not in any subfolders. And I have reinstalled iMove from the original disc (before and after the OS reinstall) but can only get up to 7.1.4 without buying a later edition of iLife.
The camera definitely worked under Snow Leopard but not since I upgraded from SL to Mountain Lion.
Found the following on this forum:
If you have iLife '09 or older, there have been no iPhoto 8, iMovie 8 or
Garageband 5 (or older) updates relating to Lion or Mountain Lion. The
support and compatibility situations for those versions is unknown as
Apple hasn't said anything. We can only determine compatibility
anecdotally. If it turns out that there is a problem and Apple doesn't
release an update, your only recourse is to buy the latest version of
the application.
I reinstalled some other iLife apps as well. iDVD went missing after the ML reinstall. When I reinstalled it from the original disc, it wouldn't open and I had to download a manual update to get it working. iWeb previously stopped working after the upgrade to ML (all the menu options were greyed out) but when I reistalled it (together with iMove and iDVD) yesterday, it started working again.
All this seems to point to a compatibilty issue between iLife '08 and ML.

After install M Lion, the preview lost sound

I just install M Lion, after that I use preview to whatch some avi file. it work but no sound. please help

RewAU
Re: hdmi sound problem began after 10.7.2 update
Nov 22, 2011 7:29 AM (in response to mwahlman)
I've now recieved a reply from one of the Senior Technical Advisors at AppleCare who was kind enough to follow up with engineering.
Apparently this change was intentional in 10.7.2 to bring the behaviour of the headphone jack in line with the experience of users who have external displays connected via Thunderbolt !
See this support note; http://support.apple.com/kb/TS4113
I've replied to this advice by pointing out that this change actually removes functionality that was present in 10.7.0 / 10.7.1 and requested that the issue is esculated back to engineering for further comment..
I'll post again when I recieve the next reply.

After installing Mountain Lion the battery indicator shows only 99% charge though charging for the whole night.

Hi,
I have been using MacBook Pro mid 2010 and recently I upgraded my OS from Snow Leopard to Mountain Lion. Since then whenever I charge my computer it stops charging at 99% but when I was using Snow Leopard it use to fully charge to 100%. Does installing the new OS preventing it to charge to 100% or something is wrong with the hardware.
Thank you
Regards

Thanks for the reference. Still one thing I am not able to understand is that in Snow Leopard after the full charge it use to show 100% so why not in Mountain Lion. Snow Leopard is also a advance OS and if that is the case then the feature of not charging to the full capacity should exist.

After installing mountain lion the airplay icon does not appear

Do I need to perform additional installations or set preferences to have it shown in the top menu bar?

Your model iMac doesn't support Airplay mirroring. Airplay in iTunes should be available.

Ive just upgraded my late 2009 macbook, and things are not working properly. First of all, when I started the computer first time after installing Mountain Lion, some message advised me that some files were impossible to install.

Ive just upgraded my late 2009 macbook, and things are not working properly. First of all, when I started the computer first time after installing Mountain Lion, some message advised me that some files were impossible to install. Once I wrote my password, and for now on, everytime I start the session, another window advise me that "Java SE 6" is missing, due that, the computer can't run some "CS5Service Manager". If I try to install it, the download ends with an error. If finally, you skip the istallation, you arrive to the dock, but the menu bar at the top of the screen doesn't show up.
In addition, my trackpad doesn't works either. I can move the arrow but i can't click anywhere, probably because the option of clicking by touching is disabeled and I can't performance a regular click.
I'll be very glad if someone know what the heck is happening with my computer. Anyway, I'm going to the genius bar next Saturday. Thx!

We're sorry.
We can't find the article you're looking for.
Please return to the Apple Support homepage.
Sigh.

After installing Mountain Lion two drives on my network cannot be accessed. I am using Parallels to utilize QuickBooks ERP. The programs and data are on the drives that I can no longer access. Suggestions?

After installing Mountain Lion on my Mac Book Pro, I can no longer access two shared drives. Diagostics cannot solve the problem. I am using Parallels to run Qucikbooks ERP on these shared drives. How do I get my Mac to see these drives and access them?

Don't know what to tell you, but I also have an AEBS-Gen5 with a MBP Retina and Mac Mini using WiFi. Both are running Mountain Lion and I don't have any WiFi connection issues. Two iPhones in the household use WiFi with no issues along with a printer and 2 Windows 7 laptops.
First thing I would try is to shutdown all computers connected to the AEBS. Then power off the AEBS and finally the cable/DSL modem. Then reverse the order and power on the cable modem, wait for all the lights to be solid, power on the AEBS, wait for the light to show solid green; then power up a computer that uses WiFi.
If the above doesn't work, you might try repairing permissions via Disk Utility. If that doesn't help maybe a PRAM reset would work.

TS3147 After installing Mountain Lion, I tried to scan from my Canon MX870 and received the message: "MP Navigator EX quit unexpectedly. Click Reopen to open the application again. A report will be sent to Apple,"

After installing Mountain Lion, I tried to scan from my Canon MX870 and received the message: "MP Navigator EX quit unexpectedly. Click Reopen to open the application again. A report will be sent to Apple," This problem happened right after I installed Mountain Lion. I then downloaded Canon's upgraded software and drivers for the MX 870 and the problem was resolved. Now one month later, the problem has returned.

rjliii wrote:
Solved problem with original Canon software. When I downloaded Canon software upgraded for OS X 10.8, I got all by Navigator Ex. Noticed that on Canon's site, the upgraded version is 3.1; my app was 2.1. Upgraded to 3.1 for Nav. Ex, and it works.
You should still use Image Capture IMHO. If it was my gear, that's what I would do. No need to worry about software upgrades.

After installing Mountain Lion, iMessages and Facetime does not work. When I try to sign-in I get a message that says: The server encountered an error processing registration. Please try again later. Apple care does not know what is the cause. Please help

After installing Mountain Lion, iMessages and Facetime does not work. When I try to sign-in I get a message that says: The server encountered an error processing registration. Please try again later. After 4 calls to apple and 8 and a half hours on the phone. The apple people does not how to solve the problem. The last thing they told me is that they will send the problem to their engineers and I will hear from them. unfortunately they have not contact me.
During the phone calls I tried putting the date and time in automatic, changing the username and password, I even tried using somebody elses username and password. Please help, facetime is my tool to telecomute, and it is hurting my job.

I had the same problem and found the solution here:
https://discussions.apple.com/thread/3189272

Numbers does not open with the main user after installing mountain lion. It works flawlessly when I use the second account on my mac. What got corrupted in the admin-account, something in the user-library? How can I fix it? I´m kinda desperate...

Numbers does not open with the main user after installing mountain lion. It works flawlessly when I use the second account on my mac. What got corrupted in the admin-account, something in the user-library? How can I fix it? I´m kinda desperate... (the same happens with the other iWork-Apps!)
Looking forward to hearing from somebody with a littlemore expertise than me, Chris

you can remove preferences files by navigating to the Preferences folder for your user as follows:
0) Quit ALL iWork apps (Keynote, Pages and Numbers)
1) from the Finder select the menu item "Go > Go To Folder…". This will bring up a dialog:
2) enter the path "~/Library/Preferences" (no double quotes)
3) find the files:
com.apple.iWork.Keynote.plist
com.apple.iWork.Numbers.plist
com.apple.iWork.Pages.plist
and move these to the trash. I would NOT empty until later.
4) restart Numbers

After installing Mountain Lion on my 17" MBP G-RAID mini connected via Tempo SATA Edge ExpressCard34 is no longer recognized. I restored icon and access by removing 34 card and substituting FW800 for eSATA. Any fix for the higher speed connection? TIA

After installing Mountain Lion on my 17" MBP G-RAID mini connected via Tempo SATA Edge ExpressCard34 is no longer recognized. I restored icon and access by removing 34 card and substituting FW800 for eSATA. Any fix for the higher speed connection? TIA

Looks like the Silicon Image drivers were moved to the incompatible software folder during install/upgrade.
Downloaded latest drivers, errored out of install claiming that the drivers were from an unknown author!!!
Emailed their tech support this evening describing problem.

When I try to install ios lion the installer says my hard drive has SMART errors and that I need to buy a new Hard Drive, but my computer witch has snowleprd and runs just fine

When I try to install ios lion the installer says my hard drive has SMART errors and that I need to buy a new Hard Drive, but my computer witch has snowleprd and runs just fine.

SMART is a technology that monitors the drive for signs of impending failure. You can verify that SMART is indicating a problem in Disk Utility. Select the hard drive and look at the bottom of the window. It should look like this:
If the SMART status is not "Verified" then you should back up your drive and start shopping for a new one.

After installing Mountain Lion. Under sound, where it says select an output device, it say no output devices found and there is no sound. How do I fix this? I have reinstalled the os twice and still the same. I have also repaired permissions.

After installing Mountain Lion. No sound. Under sound, where it says select an output device, it says no output devices found, and there is no sound. How do I fix this? I have reinstalled the os twice and still the same. I have also repaired permissions.

Try resetting the PRAM and SMC...
PRAM Reset:
http://support.apple.com/kb/HT1379
SMC Reset:
http://support.apple.com/kb/HT3964
Hope this helps!

After install the lion ، the computer it's became slow

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