Mid 2010 27" iMac slow to sleep, startup and shutdown

Discussion in 'iMac' started by MacCollector73, Dec 9, 2016.

  1. MacCollector73 macrumors newbie

    MacCollector73

    Joined:
    Dec 5, 2016
    #1
    At the beginning of the week I got a great deal on a 27" iMac for only $50! All it needed was an OS, which I had a friend rip a copy of Mac OS Sierra and install it onto the machine. So far this thing has been an absolute beast. But I'm having a couple of minor annoyances with it. Whenever I go to put it in sleep, start it up or shut it down, it's unbearably slow. It takes close to 2 minutes to start up, sleep and shutdown both take around 1 minute and 15 seconds. I've never had a machine that took longer than 30 seconds, at the most, to put to sleep. Also right after the HDD spins down theres a short beep that sounds like it's coming from the memory banks. I've already reset the PRAM, SMC and even tried reseating the ram and nothing has seems to work. I currently have 4GB of Ram installed. Could it just need to be upgraded to 8GB or is there something seriously wrong here? Thanks in advance for any input.
     
  2. ZVH macrumors 6502

    Joined:
    Apr 14, 2012
    #3
    Sierra seems, at least to me, to need nearly 4GB just to get up and running. With less memory it's got to be swapping like crazy and if the system is using an HDD that will just slow it down more.
     
  3. MacCollector73 thread starter macrumors newbie

    MacCollector73

    Joined:
    Dec 5, 2016
    #4
    Well, I've been wanting to upgrade the ram to 8GB but I'm not sure if I should buy 2x 2GB sticks and pop them in or get four new sticks and start out fresh. Is it a bad idea to mix old and new ram chips? I've heard people say it is and others say the opposite. Can't believe I hadn't thought to do it before now but I should definitely check activity monitor to see how everything's running overall.
     
  4. Taz Mangus macrumors 68040

    Taz Mangus

    Joined:
    Mar 10, 2011
    #5
    RAM is pretty cheap theses days. If you can afford more RAM go for 16GB. What size HD is installed and how much of the HD is filled? And external SSD might be worth considering as well.
     
  5. MacCollector73 thread starter macrumors newbie

    MacCollector73

    Joined:
    Dec 5, 2016
    #6
    The HDD is 1.5TB and there's 1.48TB left. I didn't have much to migrate from my other Mac. What would you recommend in external SSD size and brand?
     
  6. Taz Mangus macrumors 68040

    Taz Mangus

    Joined:
    Mar 10, 2011
    #7
    I would do the RAM first and see if the system improves. I think there are a lot of options available for SSD and prices are really good for SATA SSD. You can go on Amazon and start reading reviews for SSD to get an idea of what is available. Get the largest size you can afford or willing to spend.
     

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