Need Help w/ Multiple Problems

Ok, I'm a complete neophyte with computers so please bear with me. I bought my MacBook in July of 2008.
In the past five to six months I've started to experience some scary moments with my laptop.
1. My fan gets really high and hums much louder than previously. Any recommendations on a problem or is it simply overheating from extended use?
2. My battery life, as similar to most other Mac problems, is terrible now. If I unplug my power adapter at 100% within five minutes the battery drains down to below 50% or a pop up says that I'm running on reserve power. How can I alleviate this problem? Do I need to purchase a new battery?
3. Occasionally, while in the middle of something my screen will go black. I try to increase the brightness but nothing happens. The illuminating light where I can pop open the top stays lit when I close it. It takes about three minutes of me trying to hold down the power button before it goes back to my log in screen.
I've really enjoyed having this laptop but I'm worried it's going to crash soon. I planned for the worst and purchased an external hard drive just in case but have yet to upload most stuff. Is it recommended that I use this HD as a backup for TimeMachine (exactly what is time machine first of all)?
Anyways any help is greatly appreciated!
Thanks so much

Thank you very much for the quick response Joseph and eww
@Joseph
1. When the fan ramps up I could be typing a document on Word with Safari and iTunes open as well. It could also begin going off when I'm watching something on Hulu. So to answer your question it usually happens with entertainment activities, but not games.
2. I use the battery regularly but I don't know what direct current means (neophyte again I'm sorry). How do I calibrate my computer battery? Is that simply adjusting my battery preferences? I haven't considered taking it to a Genius because at my University we have technicians that have been "Apple certified" but they usually take a long time to give a prognosis on computers and since it's finals week that's just another reason why I've yet to go.
3. What do you mean by PRAM? Would resetting this mean that I would lose everything on my computer? When it goes black it doesn't dim, it simply goes black. It's a rare occurrence but it's happen 3-5 times in the past year. I've done research on these forums about folks who've experienced the same problems but the computer terminology always confuses me.
4. Thank you very much for your help Joseph.
@eww
Thank you for your help. I will look into getting a replacement battery. Am I able to reinstall them myself or would I need to hire a Genius?

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    A quick backstory: my mid-2010 13" MBP started to refuse to boot and displayed the flashing question mark, so the Geniuses replaced the hard drive connector cable - which sorted the problem for a few months.
    So the flashing ? reappeared and I've tried a few fixes but need advice on where to go now, I think it might be a RAM problem.
    What I've tried so far:
    I've tried erasing and then verify and repair the HD through disk utility, using the OSX DVD, which came up OK.
    Reset NVRAM
    Clean Install: the HD would show up, but would fail after 30 mins; "Install failed... could not copy the necessary support files."
    Ran Apple Hardware Test: showed error 4mem/4/40000000 0xabd93398
    Took out each RAM card separately, cleaned with compressed air, tried out each one separately in either slot - still get a flashing ? on startup.
    Any thoughts on what I could do would be really appreciated. Thanks for any advice!

    If the OS installer failed removing RAM will not fix the damage.
    The question mark means a bootable OS couldn't be found. You will need to reinstall the OS & see if the Mac stays stable. You may need to do this with one RAM module to see if the other is causing the crash. The AHT message is a RAM error, re-run the test & change modules to see if it is a particular module or slot that causes it.
    You can try booting from external disk to try to rule out the internal HD, but that isn't a practical solution for a laptop, it's more to help diagnose where the fault could be.
    You could take it to an Apple store to see if they can help, but I doubt there will be any chance of repairs unless you pay. The first visit will be free, but there is a limited amount of testing that can be done.

  • Need help with video problems

    Hi!
    Back in May I was having problems with video on my Mac. I was helped by this site and am hoping for more help. I downloaded the realaudio, but was still having problems. I assumed because I was on dial up. It was so slow. It would take forever to load and then play for a few minutes then need to load some more. I now have DSL and was looking forward to kissing the video problems good-bye! My new problem is that when I try to watch or listen to anything like innertube it "stutters." Is there something else I should be doing? How can I fix this problem?

    With those specs you should be absolutely fine. I would suggest that you update to 10.4.10 at least (download the full Combo updater). Once you are on that:
    These are the downloads and the settings you need in order to view/hear pretty much everything that the net can throw at you: The setup described below has proved repeatedly successful on both PPC and Intel macs, but nothing in life carries a guarantee!
    It is known to work in the great majority of cases with Safari 3.0.4, QT 7.3 and OS 10.4.11. (If you are running Leopard, ensure that all plug-ins have been updated for OS 10.5)
    Assuming you already run Tiger versions OS 10.4.9 or above (this has not yet been verified with Leopard) and have Quicktime 7.2 or above, and are using Safari 2 or 3, download and install (or re-install even if you already had them) the latest versions, suitable for your flavor of Mac, of:
    RealPlayer 10 for Mac from http://forms.real.com/real/player/blackjack.html?platform2=Mac%20OS%20X&product= RealPlayer%2010&proc=g3&lang=&show_list=0&src=macjack
    Flip4Mac WMV Player from http://www.microsoft.com/windows/windowsmedia/player/wmcomponents.mspx (Windows Media Player for the Mac is no longer supported, even by Microsoft)
    Perian from http://perian.org/
    Adobe FlashPlayer from http://www.adobe.com/shockwave/download/download.cgi?P1ProdVersion=ShockwaveFlash
    (You can check here: http://www.adobe.com/products/flash/about/ to see which version you should install for your Mac and OS. This: http://www.macworld.co.uk/news/index.cfm?email&NewsID=19845 may also interest you.)
    In Quicktime Preferences, under advanced, UNcheck Enable Flash, and under Mime settings/Miscellananeous only check Quicktime HTML (QHTM).
    See also the very informative post from QuickTimeKirk dated Dec 3, 2007 in this thread: http://discussions.apple.com/thread.jspa?threadID=1268489&tstart=0
    In Macintosh HD/Library/Quicktime/ delete any files relating to DivX (Perian already has them).
    Now go to Safari Preferences/Security, and tick the boxes under Web Content (all 4 of them).
    Lastly open Audio Midi Setup (which you will find in the Utilities Folder of your Applications Folder) and click on Audio Devices. Make sure that both Audio Input and Audio Output, under Format, are set to 44100 Hz.
    Important: Now repair permissions and restart.
    The world should now be your oyster!
    You should also consider having the free VLC Player from http://www.videolan.org/ in your armory, as this plays almost anything that DVD Player might not.

  • New iWeb User needs help regarding multiple sites

    As a new user please excuse me if this has an obvious answer.
    I have 4 web site, very simple, that I have used Frontpage with for years.
    I want to make new websites with iWeb but I am worried I may screw something up.
    I have already created one new iWeb Site and it comes up in the left hand pane as SITE 1.
    I have used that for ages and use a seperate FTP program to publish to my independent Server with no problem. I usually publish to a folder first then use the FTP software to publish to the Server and its fine
    The trouble I have now is probably becasue I don't know how to use iWeb properly but I'll try to explain.
    I made another website and it creates SITE 2 in the left hand pane and I have produced a few pages for that site.
    My problem is that when i go to publish to a folder for the 2nd site, it automatically does the first site as well ?
    In most other programs (like Frontpage) you have to open the individual sites on their own so you can keep everything seperate but iWeb seems to put them all together.
    I now have a folder (on my Apple) with SITE 1 and all its files and in another seperate folder (which I made just for SITE 2) have SITE 1 and SITE 2 and I'm scared to delete the copy of SITE 1 in case it deletes all of it !!
    I wish there was a simple 'OPEN SITE' command in iWeb where you cna pick the opne you want to work on but it doesn't seem to be there.
    If I am missing something obvious I'd be grateful of some advice becasue I really would like to get the other sites made up.
    Message was edited by: russfaefyvie
    Message was edited by: russfaefyvie

    I'll try to make this simple!
    Lets say that you have a website already and you named the site Family.
    You decide you want to create another website for example, My Pets.
    First create a 2 folders a place them where you will remember where they are.
    One of the new folders will be called (Family) (of course both folders are empty at this time. The second folder you created you will name (MY PETS)Ok you with me so far?
    Now lets suppose you have the iweb open to the (Family) website. Quit iweb...
    Go to users/Library/Application Support/iweb. You will see a iweb icon that will say (Domain.Sites2. Drag the domain.sites2 to the (family) folder you just created. Now for your new site that you want to start. (MY PETS) OPEN iweb. You should now be prompted to choose a template. That's because you removed the domain.sites2 out and put it into another folder.
    iweb thinks your are starting a new project and prompts you to choose a template as described earlier. Any pictures you add you should keep them in the separate folder in case you need edit or if you accidentally delete them. For example on the (my Pets site) any pictures you have there you will have in the same folder as the my pets folder you created. What I do is I make additional folders within the site folder I created so I can find things faster. Pets,I would have a pets folder and so on. Do the same for the other folder.(Family)
    Now you created your new website (MY PETS) and you decide you want to go back and work on the (Family) website. Quit iweb. and then go to User/Library/Application Support/iweb... REMOVE the Domain.sites2 (MY PETS) and go to other folder(Family) and drag that Domain.site2 where you previously removed the other domain.sites2.. Open iweb and there it is.
    Tip: When you place a Domain.sites2 into one of the folders you created it is always good to copy the domain.site2 and paste it into the same folder.When you copy and paste a Domain.sites2 the copy of it will say (Domain copy.sites2) This is a good practice to make because if you forget to close a iweb and drag a domain.sites2 out and replace it with another site. iweb will overwrite it when you save and quit. If that happens Just go the the copy you made and drag it to the: users/Library/Application Support/iweb.
    once you drag it to iweb folder click on it once and press enter. You will see the text Domain Copy highlighted. Just delete the word (COPY) make sure it looks like this when your done... Domain.sites2
    Open iweb and there it is.
    Sorry about all the detail as this is a bad habit of mine, but I hope it helps.

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