My iMac is hung @ startup.
I'm on Mavericks, late 2009 21" iMac. Response time has been sLOW lately so I rebooted it's been 10+ mins with twirling ball. What do I need to do?
starbug wrote:
Hi,
because of an ongoing slow boot-up sequence on my iMac (27", Mid 2011, Intel-based) I did an NVRAM reset successfully. Immediately during the next startup my iMac hung in the grey screen and is not booting at all since then, no apple logo, nothing, just the turn-on sound.
I tried to boot into recovery mode successfully once, did nothing there and since then I had no luck with any boot-up keyboard shortcuts.
I may have to mention, that I did manually upgrade my system with an ssd in addition to the hdd and created a fusion drive a couple month ago. All worked fine so far. Don't know wether this plays a role in regards to the keyboard shortcuts.
I also experienced bootup failures (system beeping) from time to time (very seldom). Typically it was sufficient to take off power and reattach it, afterwards the system was booting fine.
Does anyone has any idea what to do!?
Regards,
Starbug
Check out KB Articles:
http://support.apple.com/kb/PH11044 OS X Mountain Lion: If you see a gray screen at startup
http://support.apple.com/kb/HT1547
1 beep = no RAM installed
2 beeps = incompatible RAM types
3 beeps = no good banks
4 beeps = no good boot images in the boot ROM (and/or bad sys config block)
5 beeps = processor is not usable
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/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' '+c0 -i4TCP:0-1023' com.apple.dashboard\ layer-gadgets '-d /L*/Mana*/$USER&&echo On' '-app Safari WebKitDNSPrefetchingEnabled' "+c0 -l|awk '{print(\$1,\$3)}'|sort|uniq -c|sort -n|tail -1|awk '{print(\$2,\$3,\$1)}'" '/S*/*/Ca*/*xpc* >&- ||echo No' );N1=${#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::'${p[33+j]}':return { @out[execname,uid]=sum(arg0) } tick-10sec { trunc(@out,1);exit(0);} '";done;l=(Restricted\ files Hidden\ apps 'Elapsed time (s)' POST Battery Safari\ extensions Bad\ plists 'High file counts' User Heat System\ load boot\ args FileVault Diagnostic\ reports Log 'Free space (MiB)' 'Swap (MiB)' Activity 'CPU per process' Login\ hook 'I/O per process' Mach\ ports kexts Daemons Agents launchd Startup\ items Admin\ access Root\ access Bundles dylibs Apps Font\ issues Inserted\ dylibs Firewall Proxies DNS TCP/IP Wi-Fi Profiles Root\ crontab User\ crontab 'Global login items' 'User login items' Spotlight Memory Listeners Widgets Parental\ Controls Prefetching SATA Descriptors XPC\ cache );N3=${#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 $1;};for i in 1 2;do for j in 0 2 3;do eval D$i$j'(){ A'$i' $1 $2 $3; C'$j' $4;};';done;done;{ A0;D20 0 $((N1+1)) 2;D10 0 $N1 1;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 35 49 61 51;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;};D23 14 1 62 42;D12 34 43 53 44;D12 22 50 32 52;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 37 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>&-
Copy the selected text to the Clipboard by pressing the key combination command-C.
8. Launch the built-in Terminal application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Terminal in the icon grid.
Click anywhere in the Terminal window and paste by pressing command-V. The text you pasted should vanish immediately. If it doesn't, press the return key.
9. If you see an error message in the Terminal window such as "Syntax error" or "Event not found," enter
exec bash
and press return. Then paste the script again.
10. If you're logged in as an administrator, you'll be prompted for your login password. Nothing will be displayed when you type it. You will not see the usual dots in place of typed characters. Make sure caps lock is off. Type carefully and then press return. You may get a one-time warning to be careful. If you make three failed attempts to enter the password, the test will run anyway, but it will produce less information. In most cases, the difference is not important. If you don't know the password, or if you prefer not to enter it, press the key combination control-C or just press return three times at the password prompt. Again, the script will still run.
If you're not logged in as an administrator, you won't be prompted for a password. The test will still run. It just won't do anything that requires administrator privileges.
11. The test may take a few minutes to run, depending on how many files you have and the speed of the computer. A computer that's abnormally slow may take longer to run the test. While it's running, there will be nothing in the Terminal window and no indication of progress. Wait for the line
[Process completed]
to appear. If you don't see it within half an hour or so, the test probably won't complete in a reasonable time. In that case, close the Terminal window and report what happened. No harm will be done.
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. -
IMac hangs at startup - DU says "Volume can't be repaired"
Came back from holiday to find my 18month old work iMac wont boot up.
Opened Disc Utility in safe mode and says "Can't be repaired" and i can't get into the hdd
http://i160.photobucket.com/albums/t190/yorkshirezen/B20CEAD0-77C2-4DFD-9600-282 6839EC450-6981-000004FDDAA4C24A.jpg
Works network won't accept Time Machine so I never got round to getting an external drive and setting it up. (Yeah - I know)
As a last resort, got a 2tb drive and am trying to create a new disc image. Been "reading whole disc" for 3 hours, not even a quarter of the way through.
REALLY not wanting to have to reinstall adobe again and get all by browsers back to how I like them.
IT seemed to suspect a software update issue - one of their macbooks failed exactly the same way last week. But can't find any chatter about it.
Any ideas?pressing "c" before you hit the power button?
The C key will do nothing unless you have bootable media inserted:
http://support.apple.com/kb/HT1533
And:
For the best experience with startup keys, press the keys immediately after the startup tone plays.
If not using bootable media, for Lion or ML, boot holding Command + R or Command+Option+R.
For the OP:
I agree with RRFS - give Disk Warrior a try. -
My Imac has the dreaded blue screen on start up. To avoid this, I unplug the machine each night which solves the problem. I have contacted an Apple service rep who says I need to replace the hard drive. Nothing I have read indicates this. I have not added new hardware, not changed anything. Could it be my hard drive is bad?
ThanksYou could try a few things (if you haven't already) before giving up on the HD. You could try a Safe Boot:
Restart holding down the shift key until you see the grey progress bar. When the Mac has finished booting, restart as normal from the Apple menu.
Boot from your install disk and verify/repair the disk using Disk Utility (let us know if you're unsure how to do this).
Try an SMC reset and a PRAM reset:
SMC Reset
Shut down the computer.
Unplug the computer's power cord and disconnect attached devices.
Wait fifteen seconds.
Attach the computer's power cord.
Wait five seconds, then press the power button to turn on the computer.
Reset PRAM
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.
Try these things one at a time, and test the machine after each step. -
IMac won't startup - freezes on either white screen or Apple symbol
Got my 24" 2.4GHz iMac on release last year, with Tiger. Installed Leopard on it on release day.
The problem I have is that ever since a botched Boot Camp installation I've had endless problems with certain applications hanging during their startup (notably Image Capture) or refusing to quit (notably iTunes). Force Quit doesn't resolve these issues. Restarting doesn't work because Force Quit can't quit them so I have to pull the plug or otherwise force a shutdown.
Upon restarting I either get the grey screen that instantly appears, or, if I've pulled the plug and left it for a few minutes I can get to the Apple symbol but no spinner or any further start up action. Occasionally I get lucky, get back up and running, and all is well until the next crash.
All this started happening when I decided to try installing Windows on Boot Camp again. I've had it on here a couple of times since Leopard was released but usually end up deleting it eventually because either the Windows installation gets bogged down or I get bored with it and never use it. Anyway, this time, using the same discs I've always used (and yes, it's SP2, so it should be fine and anyway it's worked at least twice before) when I got to the 'restart to continue installing Windows' bit, I got the white screen and nothing happened. After an hour or so of praying and restarting endlessly trying to get a response, I finally got it to recognise my OSX installation and was up and running again. The Boot Camp volume didn't appear to be there and Disk Utility revealed zero problems whatsoever. Everything looked fine until these recurring hangs, refusals to quit apps and screwed up start-ups.
Any ideas? I don't have the expensive Apple support, but it's less than a year old! Of course, I realise that this means nothing to Apple, who seem to think I should pay a premium in order to have my machine warrantied by them for more than 90 days. Grr...
If I get it up and running I'm thinking I should just wipe the ENTIRE system absolutely clean and re-install Leopard and then use my Time Machine backup to put all my data back on (pricelessly valuable as I use the machine to work on my photography with), but I'm concerned that if there's a flaw in the System somewhere, a corruption, that installing the Time Machine backup will just reintroduce the error. On the other hand, if it's a deeply embedded and invisinle partition corruption from the bad Boot Camp installation attempt, that should be fixed by wiping the entire drive to reinstall Leopard, right?
Any ideas? I'm absolutely sick to the back teeth of this now.
Many thanks,
OwenBut service support means dragging my iMac down to an Apple Store after making an appointment that's no doubt a couple of days away. Taking a 24" iMac on public transport in London isn't something I particularly want to do.
It did actually start up eventually. I left it sitting on the Apple logo and after a few minutes it restarted itself and all was fine, until a couple of days later when two apps failed to quit, and force quit wouldn't do anything. Neither would Terminal, or Activity Monitor (it was BBEdit and Photo Mechanic this time).
I was forced to pull the plug and since then nothing whatsoever will get it past the Apple logo. Tried popping the original Tiger DVD in and running the hardware diagnostic and it says everything is fine, but trying to restart from the Tiger DVD, or the Leopard DVD, or any other DVD that's bootable, or the hard drive, or an external hard drive - all of them result in hanging at the Apple screen. Tried safe mode, tried holding Alt to choose a startup drive, everything.
What the heck do I do now?! -
New iMac freezing on startup after NTFS install
I have a new iMac with OS 10.7.4 that freezes for 5 minutes upon startup, then starts working normally. During this time there is no response to the keyboard or the mouse. Force Quit has no effect. I have it set to start without a password so it goes straight to the desktop. This behavior started when I installed a Paragon NTFS interpreter from my Seagate external hard drive. This is done during the setup install from the hard drive to allow both Mac and Windows to use the drive. I have tried this three times, reinstalling the OS each time to get the Mac working again. The drive came with a USB 3 base which is bad news for an iMac. Seagate sent me a firewire base and I hoped that would solve the problem, but no luck. The NTFS interpreter has been uninstalled and the Seagate external drive reformatted as a Mac drive. Everything now works, but the freezing behavior still persists, and I suspect that some startup files for the Mac are corrupted by the NTFS software. I ran the bootlog in the Console for one of the startups with freezing. The following is the only thing I see that seems unusual:
12-08-15 11:34:08.464 AM applepushserviced: Unable to bootstrap_lookup connection port for 'com.apple.iCalPush': unknown error code
12-08-15 11:34:08.464 AM applepushserviced: Unable to bootstrap_lookup connection port for 'com.apple.safaridavclient.push': unknown error code
12-08-15 11:34:08.465 AM applepushserviced: Unable to bootstrap_lookup connection port for 'com.apple.AddressBook.PushNotification': unknown error code
12-08-15 11:34:08.465 AM applepushserviced: Unable to bootstrap_lookup connection port for 'com.apple.syncdefaultsd.push': unknown error code
12-08-15 11:34:08.606 AM com.apple.launchd.peruser.501: (com.apple.ReportCrash) Falling back to default Mach exception handler. Could not find: com.apple.ReportCrash.Self
12-08-15 11:34:08.608 AM com.apple.launchctl.Aqua: load: option requires an argument -- D
12-08-15 11:34:08.608 AM com.apple.launchctl.Aqua: usage: launchctl load [-wF] [-D <user|local|network|system|all>] paths...
12-08-15 11:34:08.817 AM com.apple.launchd.peruser.501: (com.apple.launchctl.Aqua[134]) Exited with code: 1
12-08-15 11:34:08.825 AM UserEventAgent: CaptiveNetworkSupport:CNSServerRegisterUserAgent:187 new user agent port: 17691
12-08-15 11:34:09.685 AM com.apple.dock.extra: Could not connect the action buttonPressed: to target of class NSApplication
12-08-15 11:34:09.686 AM com.apple.dock.extra: 2012-08-15 11:34:09.684 com.apple.dock.extra[155:1707] Could not connect the action buttonPressed: to target of class NSApplication
12-08-15 11:34:09.686 AM com.apple.dock.extra: Could not connect the action buttonPressed: to target of class NSApplication
12-08-15 11:34:09.686 AM com.apple.dock.extra: 2012-08-15 11:34:09.685 com.apple.dock.extra[155:1707] Could not connect the action buttonPressed: to target of class NSApplication
12-08-15 11:34:09.686 AM com.apple.dock.extra: Could not connect the action buttonPressed: to target of class NSApplication
12-08-15 11:34:09.686 AM com.apple.dock.extra: 2012-08-15 11:34:09.685 com.apple.dock.extra[155:1707] Could not connect the action buttonPressed: to target of class NSApplication
12-08-15 11:34:09.687 AM com.apple.dock.extra: Could not connect the action buttonPressed: to target of class NSApplication
12-08-15 11:34:09.687 AM com.apple.dock.extra: 2012-08-15 11:34:09.686 com.apple.dock.extra[155:1707] Could not connect the action buttonPressed: to target of class NSApplication
12-08-15 11:34:10.129 AM com.apple.launchd.peruser.501:SharedServices[168]) Exited with code: 1
12-08-15 11:34:22.000 AM kernel: IOHIDSystem: postEvent LLEventQueue overflow.
12-08-15 11:34:28.550 AM com.apple.launchd: (com.apple.coreservices.appleid.authentication[128]) Exit timeout elapsed (20 seconds). Killing
I can post the entire bootlog if necessary, it isn't all that long. Any experience with this problem? The Seagate people provided good phone support but they haven't heard of this problem before.Here are the specs for your HP Pavilion p6720f Desktop Computer. According to the specs your system came with integrated graphics using ATI HD Radeon 4200 and a 250 watt power supply. You indicate that your computer now has an ATI Radeon™ HD 5670 Graphics card installed and you are having issues. According to AMD the reference ATI HD 5670 graphics card requires a minimum of a 400 watt power supply. If this is a retail card, you will need to upgrade your power supply to accomodate this graphics card. The Corsair CX500 and CX600 power supplies are good choices and are known to fit many HP cases.
Please provide the make (not AMD or ATI, but Asus, EVGA, etc.) and full model number (not 5670, but HD-567X-ZNF3, etc.) of the graphics card in question for more assistance.
Frank
{------------ Please click the "White Kudos" Thumbs Up to say THANKS for helping.
Please click the "Accept As Solution" on my post, if my assistance has solved your issue. ------------V
This is a user supported forum. I am a volunteer and I don't work for HP.
HP 15t-j100 (on loan from HP)
HP 13 Split x2 (on loan from HP)
HP Slate8 Pro (on loan from HP)
HP a1632x - Windows 7, 4GB RAM, AMD Radeon HD 6450
HP p6130y - Windows 7, 8GB RAM, AMD Radeon HD 6450
HP p6320y - Windows 7, 8GB RAM, NVIDIA GT 240
HP p7-1026 - Windows 7, 6GB RAM, AMD Radeon HD 6450
HP p6787c - Windows 7, 8GB RAM, NVIDIA GT 240 -
I have a 27" 2012 iMac running Mavericks that is incredibly slow to boot.
Once I've logged in it's a good 3 or 4 minutes before it's settled down and ready to use. The only apps I load are Mail and Skype on startup.
Is this normal? My 2011 MB Air is putting my desktop to shame.
I upgraded my RAM to 16GB a while back and I'm concerned this could be the reason it's so slow to boot; bad memory. Is this a possibility?
I regret not opting for the SSD at the time of purchase. Do Apple have an upgrade option?No upgrade option, but 3 or 4 minutes is unusually long. See this tip:
https://discussions.apple.com/docs/DOC-6921
Also backup your data, and verify your Mac is not under the exchange/repair program stated here:
http://www.apple.com/support/exchange_repair/
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