PRAM and slow computers...

Hey there I'm doing a little recon for my sister,she is often calling me(because I have a mac too) to ask me what she can do to speed up her computer. I was looking around for her and found a few things but I wanted to see them explained a bit...
What is PRAM and how would I clear it?
What other things can I suggest for her?
I have seen MacJanitor Cache Out X and AppleJack are these worth the dl?
She thinks the slowness is due to extensive use of Photoshop, art student, but since I am far away from her, different province, I can't really diagnose it myself. So what long distance suggestions can you give?
Thanks in advance
mad-elph

Hi Mad-elph
I disagree that repairing disk permissions would be in any way useful. It is a troubleshooting step, not system maintenance.
Also, if you look at the link provided by the previous poster you will see what information is contained in PRAM and that clearing it won't help (again, another troubleshooting step).
Something like Macjanitor or Onyx would be a good download - running the automation mode in Onyx (that is the program I am most familiar with) will blow out some of the dust in the system by running the maintenance scripts.
Be aware that if you do run the automation, and it is set to delete system/user/kernel caches, you will observe a light system slowdown as the caches are rebuilt.
There are various ways to enhance the performance of your sister's machine, but we would need to know a little more detail about it. If you can obtain the specification from Apple Menu > About This Mac it would be helpful, especially:
Processor Type/Speed
RAM
Hard Disk (total size and free space)
Graphics Card
Operating System Version
Let us know and it will be easier to define specific steps for optimising performance.
Cheers,
Rich
Powerbook G4 DVI, 1Ghz Mac OS X (10.4.6)

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Andrew,
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Hi,
Could it be indexing your files by Spotlight?
Or TimeMachine on a slow external disk?
Try with WhatSize, this app will tell you if you have enormous log files that might slow some operations.
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Regards,
Charles

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A Kernel Task runs at 700% processor power between every 5 minutes to 1 hour, slowing down everything I do. I have tried Onyx, zapped the PRAM and reinstalled Snow Leopard. Any suggestions?

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Pros: Price, nice sleek shiny box, kind of worked when new. Good as a paperweight in a light breeze.
Cons: Not really a good doorstop - too light. Died at 35 days of ownership. Won't let me in to the web interface to make some changes. When working it had a weak signal and slow speed. Doesn't support access point mode like my old wireless router did.
Other Thoughts: Not the first time I'm had problems with Linksys/Cisco branded products but this is the last product I'll ever buy with the Linksys/Cisco name on it. Fact is ever since Cisco bought out Linksys, every product I've bought from them had failed/died within a few months. You'd think they would get this right by now but they haven't.

There are many reasons why you experience poor signal or connection. Well, there are few things you should keep in mind with regards to N routers:
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2) Make sure the drivers for the Wireless Card for the computers should be updated as well..
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2. LAN to WAN – Connecting one of the Ethernet ports (LAN ports) of router A to the Internet port (WAN port) of router B.
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iMac G5 2Ghz Mac OS X (10.4.6)

947/3393
Hi rorydale,
Speaking of "not enough external HD to back everything up":
You know that Mac OS X needs a lot of free space on the boot drive, like at least 10%-15% free space?
Along with RAM, that's the only thing Mac OS X cannot do well without.
Then,
before starting a good read of this article and its excellent links:
- http://docs.info.apple.com/article.html?artnum=25392
I would make sure some regular maintenance is performed, just to take a safe start.
1) Nightly "periodic" maintenance tasks:
Open Terminal and paste this command:
sudo sh /etc/daily
hit enter, password, enter, wait until you see the prompt again.
OK now this one:
sudo sh /etc/weekly
(this one takes a long time, especially if you never ran it. You can use your computer while it is running, but do not quit Terminal)
Then, this one:
sudo sh /etc/monthly
Again, wait for the prompt to reappear.
2) Run Preferential Treatment, delete the corrupted .plist files if it finds some.
3) Run a Disk Repair with Disk Utility from the Tiger install DVD (menu Utilities).
4) Permissions Repair of course (from the boot volume, not the install disc)
5) Fonts can get problematic. I would trash Fonts caches too. Read about Fonts also in the Troubleshooting KB articles...
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That's for a start, let us know how it goes...
Axl

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As Office and Outlook as not Apple products, I strongly recommend asking in the Microsoft Office:Mac forums here:
Office for Mac
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I have a TG862G/CT Arris (Comcast) router. The WiFi connection worked great for more than 6 months. I use Chrome browser with Windows 7.
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Hi Cam
Are you using a 3rd party router or an Apple Airport Unit? If the latter, make sure you are using the latest Airport Firmware. If not sure, open Airport Utility in your Applications>Utilities folder. Latest version is 7.4.2. If not, update the firmware via the Base Station Menu (you need to first click on your Airport Unit in the Utilities panel). Otherwise, a soft (unplug/wait/plugin) or hard reset of your Airport Unit might help.
If a 3rd party router, make sure the firmware is up-to-date. If it is, then a reset of the unit may help.
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Message was edited by: Hawaiian_Starman

Mac getting slower and slower, HELP!

well, i know that it is not normal for mac to be slow but this actually happens to me when i have only safari and the finder open. i checked and i have only the norton anti virus at the back ground running as well as the messenger for mac. Is it a problem with the soft ware updates? Because when i 1st got it, (feb 2008, but last year model), it was running as fast as apple had declared. But it is running very slow now, which is as good as windows. If i go down to apple and fix it or do i have to pay for any problem even if my warranty is still covered (expires at dec 08)
Thanks

Go down there before you 90 days are up and tell them the Norton AV ware is causing havoc on your system, remove it. Basic steps to speed up your computer is repairing permissions from Utilities, reset the PRAM,NVRAM:
Resetting PRAM and NVRAM
Shut down the computer.
Locate the following keys on the keyboard: Command, Option, P, and R. You will need to hold these keys down simultaneously in step 4.
Turn on the computer.
Press and hold the Command-Option-P-R keys. You must press this key combination before the gray screen appears.
Hold the keys down until the computer restarts and you hear the startup sound for the second time.
Release the keys.
Next install the Leopard disk when the first aid i is is the menu, chose it, first aid, repair your drive.
These are all steps to help performance, post back with your results. This way we can try other things. Nothing I gave you to do is harmful to your system.

Aperture getting slower and slower

When I first got my Mac, and installed Aperture it was lightening fast. The sliders worked in real time, I never got the spinning wheel, every reason I wanted a Mac in the first place had come true. Fast forward to today - about 6 months into owning the Mac and using Aperture, the software is running slower and slower. Even clicking on an adjustment often takes time for the adjustment to load. Brush HUD's don't show up right away; adjustments don't show in real time - all of this makes tasks with brushes painful if not sometimes impossible. I've read the posts and threads related to slowness - faces is off; I'm not sharing photo's with I-life or I-work; all other apps and software are closed and shut down; my HDD is under 60% utilized; my library resides on my computer. Why is the system getting slower, and what can I do? Obviously, I can add RAM, but my question would be why would it have worked so fast previously and work so slow now with the same RAM? Any suggestions for adjustments, or suggestions. Anybody else experience progressively slower Aperture?

How much RAM do you have?
In any case:
Repair your Library.
Then:
Copy your repaired Aperture Library to an external drive. Rename the version on your system drive. Run Aperture from the external drive and confirm that the copy is whole and working. Delete the re-named version on your system drive. Empty the system trash. Just for giggles, using Disk Utility, repair your system drive. Then copy your Aperture Library back to your system drive.
How does it run?
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There is one other thing to do -- PRAM flush? -- I'll see it I can turn it up.

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Good evening,
Some of my users are reporting problems with the SWF output of my intensive Captive file which includes significant software simulation. I knew that these files were going to be resource intensive due to the nature of the project, but I felt comfortable with system requirements of at least 2 gb RAM and a mid-range processor.
Unfortunately, some of my users who meet this criteria are reporting problems including text animations not playing in full and slow slide transitions. I cannot replicate this problem on any of my machines.
I have been playing around trying to compress images as much as possible and otherwise reduce file size. What else can be done? What are the top five things I can do to remedy this problem?
My presentation is about 50 slides and the SWF output is about 4.5 mb.
Thanks

I've seen this type of thing many times, especially in corporate environments.
My top suggestions:
If you've taken all reasonable steps to make your project as web-friendly as possible by this time, don't make any more changes to your project until you've exhausted the possibilities below. It is most likely NOT your project that is at fault.
Find out more details from the users that are complaining. If at all possible, actually go and sit with them to watch the behaviour they're talking about. Don't believe everything you hear.
Check that users are on the correct version of Flash Player. For example, Flash Player 10 can play significantly better than Flash 9.
Ask the user to check defragmentation on their PC. Most users DON'T know how to do this and never defragment. As a result, I have seen PCs in corporate IT environments that had not been defragmented in years. Their hard drive showed up mostly red when the fragmentation analysis was done. This lack of PC housekeeping can contribute to many issues, especially with Flash or multimedia playback. Ask the user to defragment 2 or 3 times to be on the safe side.
Watch the CPU on Task Manager while the PC is playing the Captivate presentation. The performance monitor should tell you if the CPU is struggling and unable to decode the content fast enough.
Try to have another user log onto the same machine using a different profile and see if they experience the same issues. This can tell you whether the issue is due to a corrupted user profile. Conversely, have the same user log onto a different machine, creating a new profile for themselves on that PC to see if they experience the same issue. If it seems to be their profile at fault, they may need to get some IT dude to blow away their profile and set it up afresh.
Check whether or not the issue could be due to server latency. This is especially the case where LMSs are involved. Users will often experience latency issues such as slow transitions from one quiz slide to the next because the course module has to wait for the LMS to respond before it can move forward. If this is occurring for a significant number of users, you can try using the optional SCORM template that only sends tracking data at the end of the module instead of all the way through.
In my experience, if 95% of your user base is playing the content without issue, you don't need to change anything. Chances are that whatever is going wrong for the few that are complaining about poor playback wouldn't necessarily improve no matter what you did to your project. In the vast majority of cases, you need to isolate what exactly is causing the issue for these users and correct it ON THEIR END.
Rod Ward
www.infosemantics.com.au
UPDATE: I just realised that a lot of this information would probably help others, so I created a blog post documenting these steps: http://www.infosemantics.com.au/debug_slow_playback

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That all works.
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PRAM and slow computers...

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