IMac (3.4gHz Intel Core i7) shuts down when sleeps, then won't restart

Just bought a brand new 27" iMac (3.4gHz Intel Core i7) which shuts down when sleeps, then won't restart (ie completely dead).
In order to restart, I have to unplug the power cord from the computer, hold power key down for 10secs, replug in and it then starts up. I returned to the store and they spent a couple days letting it go to sleep etc and overnight and for them it was fine. Woke up no problems. They returned it to me yesterday.
So I set it all up again, left it overnight and this morning it was dead again. So now it leaves me to wonder if it's something I have plugged into it.
I have a new Seagate 3TB external hard drive hooked up using USB3.0. This is plugged directly into the back of the computer.
I also have a powered USB hub plugged into the computer which has regular USB stuff such as printer, graphics tablet and another external hard drive (this one is older LaCie 500gb, and have put it into a new USB 3.0 case as well for the arrival of the new iMac (this had an old firewire hard drive case). However this hard drive is switched off at the case and is not being used.
I believe it could possibly be the Seagate 3TB disk causing this problem, but it works fine during the day while I am using the computer, it's just when I either leave it at lunch time to go to a meeting or walk etc or overnight that I come back and it has shut down....leaving me to believe that it's due to the computer going to sleep.
Has anyone else had a similar problem with a Seagate drive? Today I'm conducting an experiment and heading off for lunch with both hard drives unhooked. If I come back and the computer wakes up from a click of the mouse or keyboard as it should, I will plug in one hard drive at a time and re-test. I will leave the Seagate for last, as I don't think it is the old LaCie disk (which is off).
For reference sake, I also have a NAS running off my network through Airport Extreme etc and have my old iMac hooked up to the network too, but don't believe this is the problem.
Initially I did put in some after market RAM (another 8GB) and though that might be the problem, but I removed and it still reacted the same way (plus store I bought it from again booted up fine and woke up fine at their shop after I had taken RAM out too).
Will keep this post updated with my next test (letting computer sleep without either hard drive in), but keen to hear if anyone has had any similar experiences with Seagate disks/cases and the new iMacs.
Cheers,
Kristin

Hey kristinandmike,
I had a similar problem shortly after I bought my 27" iMac. Here is an excerpt from my discussion:
"As BDAqua suggested, I started the process of elimination by shutting down the externals and just leaving up one of the USB drives and using the computer until time to shut it off. After eliminating 2 of the 3 drives I figured it had to be the last one. That drive is a Seagate GoFlex Desk version that allows different bases with differing connectivity. I had previously used FW800 to connect but had switched to USB3 on the new computer. I went ahead and got a Thunderbolt to FW adaptor cable and switched this drive back to Firewire rather than USB3. So far so good."
For some reason the Seagate I was using didn't agree with the USB3 on the Mac.

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1. This procedure is a diagnostic test. It changes nothing, for better or worse, and therefore will not, in itself, solve the problem. But with the aid of the test results, the solution may take a few minutes, instead of hours or days.
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5. You may have started the computer in "safe" mode. Preferably, these steps should be taken in “normal” mode, under the conditions in which the problem is reproduced. If the system is now in safe mode and works well enough in normal mode to run the test, restart as usual. If you can only test in safe mode, do that.
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PATH=/usr/bin:/bin:/usr/sbin:/sbin:/usr/libexec;clear;cd;p=(Software Hardware Memory Diagnostics Power FireWire Thunderbolt USB Fonts SerialATA 4 1000 25 5120 KiB/s 1024 85 \\b%% 20480 1 MB/s 25000 ports ' com.clark.\* \*dropbox \*GoogleDr\* \*k.AutoCAD\* \*k.Maya\* vidinst\* ' DYLD_INSERT_LIBRARIES\ DYLD_LIBRARY_PATH -86 ` route -n get default|awk '/e:/{print $2}' ` 25 N\\/A down up 102400 25600 recvfrom sendto CFBundleIdentifier 25 25 25 1000 MB com.apple.AirPortBaseStationAgent 464843899 51 );N5=${#p[@]};p[N5]=` networksetup -listnetworkserviceorder|awk ' NR>1 { sub(/^$[0-9]+$ /,"");n=$0;getline;} $NF=="'${p[26]}')" { sub(/.$/,"",$NF);print n;exit;} ' `;f=('\n%s: %s\n' '\n%s\n\n%s\n' '\nRAM details\n%s\n' %s\ %s '%s\n-\t%s\n' );S0() { echo ' { q=$NF+0;$NF="";u=$(NF-1);$(NF-1)="";gsub(/^ +| +$/,"");if(q>='${p[$1]}') printf("%s (UID %s) is using %s '${p[$2]}'",$0,u,q);} ';};s=(' /^ *$|CSConfigDot/d;s/^ */ 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!/^[[:space:]]*(#.*)?$/ { l++;if(l<=L) f=f"\n "$0;} END { F=FILENAME;if(!F) exit;if(!f) f="\n [N/A]";"file -b "F|getline T;if(T!~/^(AS.+ (En.+ )?text$|POSIX sh.+ text ex)/) F=F" ("T")";printf("\nContents of %s\n%s\n",F,f);if(l>L) printf("\n ...and %s more line(s)\n",l-L);} ' ' /^ +[NP].+ =/h;/^( +D.+[{]|[}])/{ g;s/.+= //p;};' 's/0/Off/p' ' END{print NR} ' ' /id: N|te: Y/{i++} END{print i} ' ' / / { print "'"${p[28]}"'";exit;};1;' '/ en/!s/\.//p' ' NR!=13{next};{sub(/[+-M]$/,"",$NF)};'"`S0 39 40`" ' $10~/$L/&&$9!~"localhost" { sub(/.+:/,"",$9);print $1": "$9;} ' '/^ +r/s/.+"(.+)".+/\1/p' 's/(.+\.wdgt)\/(Contents\/)?Info\.plist$/\1/p' 's/^.+\/(.+)\.wdgt$/\1/p' ' /l: /{ /DVD/d;s/.+: //;b0'$'\n'' };/s: /{ /V/d;s/^ */- /;H;};$b0'$'\n'' d;:0'$'\n'' x;/APPLE [^:]+$/d;p;' ' /^find: /d;p;' );c1=(system_profiler pmset\ -g nvram fdesetup find syslog df vm_stat sar ps sudo\ crontab sudo\ iotop top pkgutil 'PlistBuddy 2>&1 -c "Print' whoami cksum kextstat launchctl sudo\ launchctl crontab 'sudo defaults read' stat lsbom mdfind ' for i in ${p[24]};do ${c1[18]} ${c2[27]} $i;done;' defaults\ read scutil sudo\ dtrace sudo\ profiles sed\ -En awk /S*/*/P*/*/*/C*/*/airport networksetup mdutil sudo\ lsof test );c2=(com.apple.loginwindow\ LoginHook '" /L*/P*/loginw*' '" L*/P*/*loginit*' 'L*/Ca*/com.ap*.Saf*/E*/* -d 1 -name In*t -exec '"${c1[14]}"' :CFBundleDisplayName" {} \;|sort|uniq' '~ $TMPDIR.. \( -flags +sappnd,schg,uappnd,uchg -o ! -user $UID -o ! -perm -600 $' '.??* -path .Trash -prune -o -type d -name *.app -print -prune' :${p[35]}\" :Label\" '{/,}L*/{Con,Pref}* -type f ! -size 0 -name *.plist -exec plutil -s {} \;' "-f'%N: %l' Desktop L*/Keyc*" therm sysload boot-args status " -F '\$Time \$Message' -k Sender kernel -k Message Req 'bad |Beac|caug|dead[^bl]|FAIL|fail|GPU |hfs: Ru|inval|jnl:|last value [1-9]|n Cause: -|NVDA$|pagin|proc: t|Roamed|rror|ssert|Thrott|tim(ed? ?|ing )o|WARN' -k Message Rne 'Goog|ksadm|SMC:' -o -k Sender fseventsd -k Message Req 'SL' " '-du -n DEV -n EDEV 1 10' 'acrx -o comm,ruid,%cpu' '-t1 10 1' '-f -pfc /var/db/r*/com.apple.*.{BS,Bas,Es,J,OSXU,Rem,up}*.bom' '{/,}L*/Lo*/Diag* -type f -regex .\*[cgh] ! -name *ag \( -exec grep -lq "^Thread c" {} \; -exec printf \* \; -o -true $ -execdir stat -f:%Sc:%N -t%F {} \;|sort -t: -k2 |tail -n'${p[38]} '-L {/{S*/,},}L*/Lau* -type f' '-L /{S*/,}L*/StartupItems -type f -exec file {} +' '-L /S*/L*/{C*/Sec*A,E}* {/,}L*/{A*d,Ca*/*/Ex,Compon,Ex,In,iTu,Keyb,Mail/B,P*P,Qu*T,Scripti,Sec,Servi,Spo,Widg}* -type f -name Info.plist' '/usr/lib -type f -name *.dylib' `awk "${s[31]}"<<<${p[23]}` "/e*/{auto,{cron,fs}tab,hosts,{[lp],sy}*.conf,pam.d/*,ssh{,d}_config,*.local} {,/usr/local}/etc/periodic/*/* /L*/P*{,/*}/com.a*.{Bo,sec*.ap}*t /S*/L*/Lau*/*t .launchd.conf" list getenv /Library/Preferences/com.apple.alf\ globalstate --proxy '-n get default' -I --dns -getdnsservers\ "${p[N5]}" -getinfo\ "${p[N5]}" -P -m\ / '' -n1 '-R -l1 -n1 -o prt -stats command,uid,prt' '--regexp --only-files --files com.apple.pkg.*|sort|uniq' -kl -l -s\ / '-R -l1 -n1 -o mem -stats command,uid,mem' -i4TCP:0-1023 com.apple.dashboard\ layer-gadgets '-d /L*/Mana*/$USER&&echo On' '-app Safari WebKitDNSPrefetchingEnabled' );N1=${#c2[@]};for j in {0..9};do c2[N1+j]=SP${p[j]}DataType;done;N2=${#c2[@]};for j in 0 1;do c2[N2+j]="-n ' syscall::'${p[33+j]}':return { @out[execname,uid]=sum(arg0) } tick-10sec { trunc(@out,1);exit(0);} '";done;l=(Restricted\ files Hidden\ apps 'Elapsed time (s)' POST Battery Safari\ extensions Bad\ plists 'High file counts' User Heat System\ load boot\ args FileVault Diagnostic\ reports Log 'Free space (MiB)' 'Swap (MiB)' Activity 'CPU per process' Login\ hook 'I/O per process' Mach\ ports kexts Daemons Agents launchd Startup\ items Admin\ access Root\ access Bundles dylibs Apps Font\ issues Inserted\ dylibs Firewall Proxies DNS TCP/IP Wi-Fi Profiles Root\ crontab User\ crontab 'Global login items' 'User login items' Spotlight Memory Listeners Widgets Parental\ Controls Prefetching SATA );N3=${#l[@]};for i in 0 1 2;do l[N3+i]=${p[5+i]};done;N4=${#l[@]};for j in 0 1;do l[N4+j]="Current ${p[29+j]}stream data";done;A0() { id -G|grep -qw 80;v[1]=$?;((v[1]==0))&&sudo true;v[2]=$?;v[3]=`date +%s`;clear >&-;date '+Start time: %T %D%n';};for i in 0 1;do eval ' A'$((1+i))'() { v=` eval "${c1[$1]} ${c2[$2]}"|'${c1[30+i]}' "${s[$3]}" `;[[ "$v" ]];};A'$((3+i))'() { v=` while read i;do [[ "$i" ]]&&eval "${c1[$1]} ${c2[$2]}" \"$i\"|'${c1[30+i]}' "${s[$3]}";done<<<"${v[$4]}" `;[[ "$v" ]];};A'$((5+i))'() { v=` while read i;do '${c1[30+i]}' "${s[$1]}" "$i";done<<<"${v[$2]}" `;[[ "$v" ]];};';done;A7(){ v=$((`date +%s`-v[3]));};B2(){ v[$1]="$v";};for i in 0 1;do eval ' B'$i'() { v=;((v['$((i+1))']==0))||{ v=No;false;};};B'$((3+i))'() { v[$2]=`'${c1[30+i]}' "${s[$3]}"<<<"${v[$1]}"`;} ';done;B5(){ v[$1]="${v[$1]}"$'\n'"${v[$2]}";};B6() { v=` paste -d: <(printf "${v[$1]}") <(printf "${v[$2]}")|awk -F: ' {printf("'"${f[$3]}"'",$1,$2)} ' `;};B7(){ v=`grep -Fv "${v[$1]}"<<<"$v"`;};C0(){ [[ "$v" ]]&&echo "$v";};C1() { [[ "$v" ]]&&printf "${f[$1]}" "${l[$2]}" "$v";};C2() { v=`echo $v`;[[ "$v" != 0 ]]&&C1 0 $1;};C3() { v=`sed -E "$s"<<<"$v"`&&C1 1 $1;};for i in 1 2;do for j in 2 3;do eval D$i$j'(){ A'$i' $1 $2 $3; C'$j' $4;};';done;done;{ A0;A2 0 $((N1+1)) 2;C0;A1 0 $N1 1;C0;B0;C2 27;B0&&! B1&&C2 28;D12 15 37 25 8;A1 0 $((N1+2)) 3;C0;D13 0 $((N1+3)) 4 3;D23 0 $((N1+4)) 5 4;D13 0 $((N1+9)) 59 50;for i in 0 1 2;do D13 0 $((N1+5+i)) 6 $((N3+i));done;D13 1 10 7 9;D13 1 11 8 10;D22 2 12 9 11;D12 3 13 10 12;D23 4 19 44 13;D23 5 14 12 14;D22 6 36 13 15;D22 7 37 14 16;D23 8 15 38 17;D22 9 16 16 18;B1&&{ D22 11 17 17 20;for i in 0 1;do D22 28 $((N2+i)) 45 $((N4+i));done;};D22 12 44 54 45;D22 12 39 15 21;A1 13 40 18;B2 4;B3 4 0 19;A3 14 6 32 0;B4 0 5 11;A1 17 41 20;B7 5;C3 22;B4 4 6 21;A3 14 7 32 6;B4 0 7 11;B3 4 0 22;A3 14 6 32 0;B4 0 8 11;B5 7 8;B1&&{ A2 19 26 23;B7 7;C3 23;};A2 18 26 23;B7 7;C3 24;A2 4 20 21;B7 6;B2 9;A4 14 7 52 9;B2 10;B6 9 10 4;C3 25;D13 4 21 24 26;B4 4 12 26;B3 4 13 27;A1 4 22 29;B7 12;B2 14;A4 14 6 52 14;B2 15;B6 14 15 4;B3 0 0 30;C3 29;A1 4 23 27;B7 13;C3 30;D13 24 24 32 31;D13 25 37 32 33;A2 23 18 28;B2 16;A2 16 25 33;B7 16;B3 0 0 34;B2 21;A6 47 21&&C0;B1&&{ D13 21 0 32 19;D13 10 42 32 40;D22 29 35 46 39;};D13 14 1 48 42;D12 34 43 53 44;D22 0 $((N1+8)) 51 32;D13 4 8 41 6;D12 26 28 35 34;D13 27 29 36 35;A2 27 32 39&&{ B2 19;A2 33 33 40;B2 20;B6 19 20 3;};C2 36;D23 33 34 42 37;B1&&D23 35 45 55 46;D23 32 31 43 38;D12 36 47 32 48;D13 20 42 32 41;D13 14 2 48 43;D13 4 5 32 1;D13 4 3 60 5;D12 26 48 49 49;B3 4 22 57;A1 26 46 56;B7 22;B3 0 0 58;C3 47;D22 4 4 50 0;D23 22 9 37 7;A7;C2 2;} 2>/dev/null|pbcopy;exit 2>&-
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12. When the test is complete, quit Terminal. The results will have been copied to the Clipboard automatically. They are not shown in the Terminal window. Please don't copy anything from there. All you have to do is start a reply to this comment and then paste by pressing command-V again.
At the top of the results, there will be a line that begins with the words "Start Time." If you don't see that, but instead see a mass of gibberish, you didn't wait for the "Process completed" message to appear in the Terminal window. Please wait for it and try again.
If any private information, such as your name or email address, appears in the results, anonymize it before posting. Usually that won't be necessary.
13. When you post the results, you might see an error message on the web page: "You have included content in your post that is not permitted," or "You are not authorized to post." That's a bug in the forum software. Please post the test results on Pastebin, then post a link here to the page you created.
14. This is a public forum, and others may give you advice based on the results of the test. They speak only for themselves, and I don't necessarily agree with them.
Copyright © 2014 by Linc Davis. As the sole author of this work, I reserve all rights to it except as provided in the Use Agreement for the Apple Support Communities website ("ASC"). Readers of ASC may copy it for their own personal use. Neither the whole nor any part may be redistributed.

My battery dies quicker than before, even without using the phone .aslo it shuts down unxpectedly (sometimes shuts down at 30% then i cant restart it until i blog it to the charger) and sometimes jumps from 40% to 20% or from 20% to 3%

hi!
my battery dies quicker than before, even without using the phone
aslo it shuts down unxpectedly (sometimes shuts down at 30% then i cant restart it until i blog it to the charger)
and sometimes jumps from 40% to 20% or from 20% to 3%
i have done many things people recommanded it for me like :
restore : i've done two restores and it gets better for the first 1-2 weeks then it gets worse than before.
also deleted my music list (19gb) in order to make this better (as recommended) but it still the same
my screen brightness is always ALWAYS low , almost the lowest.
i close the apps when i finish using them ALL OF THEM
i dont use the camera and flash , almost rarely. just to save battery.
i dont use the location service always.
i dont charge my phone until it shuts down and i dont unblog it until it reachs 100%
basically i have tried eveything.

Install or Reinstall OS X from Scratch
Be sure you backup your files to an external drive or second internal drive because the following procedure will remove everything from the hard drive.
Boot to the Recovery HD:
Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
Erase the hard drive:
1. Select Disk Utility from the main menu and click on the Continue button.
2. After DU loads select your startup volume (usually Macintosh HD) from the
      left side list. Click on the Erase tab in the DU main window.
3. Set the format type to Mac OS Extended (Journaled.) Optionally, click on
      the Security button and set the Zero Data option to one-pass. Click on
      the Erase button and wait until the process has completed.
4. Quit DU and return to the main menu.
Reinstall OS X: Select Reinstall OS X and click on the Install button.
Note: You will need an active Internet connection. I suggest using Ethernet if possible
           because it is three times faster than wireless.

Adobe photoshop elements 8 causes the computer to shut down when I click; won't reinstall. Ideas?

Adobe photoshop elements 8 causes the computer to shut down when I click on it. I can't reinstall the program. Suggestions for troubleshooting? All other programs work fine.

Hi, thanks for your reply. I had installed PSE8 about 2 years ago and it had worked well until today. When ir crashed the computer, I tried uninstalling PSE8 and then reinstalling the program. No luck. T he operating system is Windows 7 Home Premium.
Vance

MacBook shuts down when sleep, asks to shut down, screensaver changes

Hello. My MacBook is having all sorts of problems and they just started occuring recently.
1. It shuts down when it's 'sleeping'. When I open it, I have to press the button to turn it back on. Sometimes it wouldn't reboot and the log in page would pop up, but rarely.
2. While I'm using my macbook, a window would ask me if I want to 'shut down, restart, sleep, cancel'. Or something like that. It would do this every few minutes.
3. I noticed that my screensaver would go back to Flurry/default.
Could this be a battery issue? I noticed that it says 'replace soon'. I will definitely go to a genius bar, but I'm too busy right now with school I don't know when I can make a trip to the nearest Apple store.

You can get a new battery fairly cheap on eBay if you have the Early 2008 MacBook with the easily removable battery.
Black Batteries http://shop.ebay.com/i.html?_nkw=macbook+black+battery&_sacat=0&LH_BIN=1&_sop=12 &_dmpt=Laptop_Batteries&_odkw=macbook+white+battery&_osacat=0&_trksid=p3286.c0.m 270.l1313
White Batteries http://shop.ebay.com/i.html?_nkw=macbook+white+battery&_sacat=0&LH_BIN=1&_sop=12 &_dmpt=Laptop_Batteries&_odkw=macbook+black+battery&_osacat=0&_trksid=p3286.c0.m 270.l1313
Or for $129 from Apple http://store.apple.com/us/product/MA566LL/A?mco=MTY3ODQ5OTY

RAM maxi for iMac 2,4GHz Intel Core 2 Duo

thanks a lot in advance : is it a good idear to have 6 GB in RAM DDR2 SDRAM 667MHz-( 4GB + 2 GB )-
on my iMac, processor 2,4 GHz Intel Core 2 Duo ( 20-inch ) ?

This one ?
http://www.everymac.com/systems/apple/imac/stats/imac-core-2-duo-2.4-20-inch-alu minum-early-2008-penryn-specs.html
If you or your Mac really needs the 6GB RAM than sure.
The slight decrease in speed due to not using paired-RAM isn't comparable to the gain you get from the additional RAM.
Have you used Activity Monitor as described in here Mac OS X: Reading system memory usage in Activity Monitor to determine whether you need more RAM ?
Stefan

E530 shuts down when sleeping - fan error?

I have an E530 that seems to shut down after I ignore it for 15 or 20 minutes. When I restart it, I get a brief "fan error" message. It tells me that it was shut down unexpectedly, etc. It always starts up just fine. the computer is not running hot. Somehow, I think this is not a real problem with the fan but something about the sleep process that is causing the fan to stop and then the computer shuts down.

Follow up - I set the timer and specifically watched the computer. It is set to go to sleep after 45 minutes. At 45 minutes the power light went out. When I restarted, I got the fan error.

IMAC 3.4GHz Intel Core i7 bootcamp graphics driver error bluescreen

Purchased iMAC 27" 3.4 GHz i7 because I wanted MacOS as development environment and Windows for playing games - thought I'd found the dream machine.
Installed bootcamp, Windows 7, and finally bootcamp drivers
Checked and updated Apple / Windows until no new updates available
System operates fine under Mac OS, but frequently crashes under Windows 7 with bluescreen of death (graphics driver fault)
This occurs when gaming (Batman Arkham City, or simply using Google Earth, IE)
Updated driver for Radeon HD 6970M from ATI AMD website with same result.
Windows 7 now recognised a new driver was available for Radeon HD 6900 series and updated (this has the most recent release date being late last year)
System still has fault under Windows but driver appears to reset and continue without requiring a Windows restart (mostly).
A quick Google reveals I am not alone with discussions concerning the indentical proplem spanning several years and apple machines - generally pointing the finger at the lack apple SMC temperature control under Windows. Is this true? If so I not sure if I should expect a solution from Apple.
Is their a solution? I am reluctant to use third party software to control minimum fan speeds - mainly because I expect more from this machine (no matter which OS is running it).

thanx Hatter,
I see InputRemapper had fan control added, not sure if it will be suitable for later machines. I'll see if I can find anything newer.
Last night used Windows for gaming - in the end the top edge of the iMac was to hot to touch - can't be good for the machine.
Wonder why Apple don't include a fan control function as part of bootcamp - it would seem a critical function to protect the hardware.
Is there a down side to running the fans harder (like wearing them out). I have been able tu use smcFanControl under OSX to raise the minimum fan speeds.before I reboot to Windows.
smcFanControl has speeds for ODD,HDD, and CPU. Does the iMAC graphics card (HD 6970M) have its own fan?
sorry lots of questions - to be honest kind of got hooked on Batman Arkham City ... and it runs very nicely, just a shame it cooks the hardware.

I recently updated the original ram from my 2.66 Ghz Intel Core i7 15" laptop. Can I take that ram (4GB set) and put in my iMac 2.4GHz Intel Core 2 Duo?

The 15" power book had this:
Memory Type: DDR3 PC3-8500, DDR3 (non-ECC)
The 20" iMac has this:
Memory Type: DDR2 PC2-5300, DDR2 (non-ECC)
I'm not sure what the difference between DDR3 and DDR2 is. Any support would be great.

DDR stands for Double Data Rate, the original DDR had a speed of 266MHz, double the rate of the previous memory standard of SDRAM which ran at 133MHz. DDR2 and then DDR3 are the successors of DDR. To avoid fitting the wrong type of module they use different memory slots and will only fit the one they were designed for, by way of slots cut in the memory boards at precise positions which correspond to notches in the memory slots.
If you want to know what memory will fit which computer I would go to the Crucial website and use their online Memory Advisor, put in the brand and model, it will tell you exactly which modules fit it and what kits (if any) Crucial have available for it.
http://www.crucial.com/

My iMac 3.4ghz Intel Core i7 is beyond lethargic. How can I clean it up or something?

I have 4GB RAM, 1 Tbyte HD and 2 2T backup external drives (one USB and one Firewire connected.) I recently moved from Comcast (34 gb download speed to U-Verse at 17-18 Gb. The internet speed may be noticeable, but I notice the sluggishness when I'm not doing anything online.
IPhoto seems like it slows things down. I have 20,000 photos and 10,000 songs stored. In my 1 T HD, I'm using less than half.
Sometimes when I wake it up, it will take 20 plus seconds to wake up.
I have not called AppleCare yet.
Any ideas?

Thanks again for your help.
I read through the process of exporting photos and songs to an external drive. I don't have time to study it more tonight (you are up late, if that is a Massachusetts address.) But, I will look again.
I also scanned the article on uninstalling MacKeeper. I'm pretty sure I didn't let it encrypt. But, it still looks like a time-consuming process. I'll look at that again.
I usually have the following open:
      Mail
     Word
     Excel
     Safari (including Pandora, often)
     iCal
     iTunes
     Activity Monitor
     Canon printer driver
And often:
     iPhoto
     Address book
And when my grandsons are here, they load Roblox and go pretty deep. When they leave, I exit Roblox.

Ich habe Probleme mit meinem Illustrator.. Ich habe die volume Lizenz design std. und einen neuen Imac: 3,4Ghz, intel core I5 mit 8Gb Ram...

Guten tag
Schon zum zweiten mal hängte sich mein Illustrator auf...
Als ich eine ebene gelöscht habe kam das Ladezeichen vom mac., auf der Software konnte ich nichts mehr machen... konnte nur noch über aktivitätsanzeige die nicht mehr reagierende software sofort beenden...
wiso?!

Passiert das nur bei der einen Datei oder auch bei anderen?
Passiert das nur mit bestimmten Objekten (diesem speziellen Dreieck) oder mit allen?
War die Datei schon kaputt - ist vorher schon mal etwas damit passiert? Absturz?
Was passiert, wenn Du alle Objekte der Datei in eine neue Datei kopierst? Das speicherst und dann damit arbeitest?
Sind Plugins installiert?
Hast Du schon die Preferences zurückgesetzt?
Ist Text in der Datei?
War die Datei schon gespeichert?
Wenn ja, wo?

Imac 3.4ghz intel core i7. Date in applications set to 12/1/12? e.g. all release dates for podacsts in itunes is 12/1/12 - why is this and can I fix it?

Why is the date in all my applications set to 12/1/12, itunes all the podcasts release dates are set to 12/1/12, in mail all emails from apple are set to 12/1/12 etc. etc. why, and can it be fixed?

Welcome to the Apple Support Communities
Probably you have another date format. Open System Preferences > Language and Text to change the time format

After installing Mavericks Extended sleep shuts down the computer and won't restart?

Since updating to mavericks, When i close the lid After extended time say overnight in sleep mode the computer won't wake up, and pressing the power button has no effect, But on re closing the lid several times then pressing the power button this then re-starts the computer. Is there a settring somewhere to activate sleep without shutting the computer down?

1. Reset PRAM. http://support.apple.com/kb/PH4405
2. 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".

IMac (3.4gHz Intel Core i7) shuts down when sleeps, then won't restart

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