What is SMC reset?
I have read a lot in these forums about resetting the SMC. What is it exactly and what does it do?
Indomac,
Follow this link for a complete and detailed explanation on the SMC and how to reset it: http://docs.info.apple.com/article.html?artnum=303446
Hope this helps.
Similar Messages
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What Is The Terminal Command For PRAM & SMC Reset?
Hi Folks - Cant get my Macbook Pro to shut down (instead it does a re-start) thus the key combination for these re-sets doesnt seem to function (no chimes). I saw in another thread a terminal command entry "sudo nvram boot-args=”-p -r” but I also saw it mentioned that entering that casued the following to pop-up "Note that resetting the PRAM will wipe out the contents of the boot-args environment variable, which means the command would need to be reissued each startup." Whats with "reissued each startup"? Also would like a an SMC re-set command. THANKS in advance!
I dont know of a terminal command but here is how to reset the SMC:
Resetting the System Management Controller (SMC)
Resetting the SMC on Mac portables with a battery you can remove
Shut down the computer.
Disconnect the MagSafe power adapter from the computer, if it's connected.
Remove the battery (to remove the battery - click here: MacBook or MacBook Pro).
Press and hold the power button for 5 seconds.
Release the power button.
Reconnect the battery and MagSafe power adapter.
Press the power button to turn on the computer.
Resetting the SMC on portables with a battery you should not remove on your own
Shut down the computer.
Plug in the MagSafe power adapter to a power source, connecting it to the Mac if its not already connected.
On the built-in keyboard, press the (left side) Shift-Control-Option keys and the power button at the same time.
Release all the keys and the power button at the same time.
Press the power button to turn on the computer. -
What is SMC and how do I reset it to stop the fan?
My fan runs constantly. Sometimes it starts the second I open the desktop computer and sometimes it waits for shorter or longer periods. On your Apple online advice you say to reset the SMC, but the page telling me what that is has expired.
Here you go
Power or other problems related to unexpected system sleep, shutdown, lights or fans call for an SMC reset. Read all the steps.
Before Resetting the SMC
Try each of the following steps in this order before you reset the SMC. Test the issue after completing each troubleshooting step to determine if the issue still occurs.
Press Command + Option + Escape to force quit any application that is not responding.
Put your Mac to sleep by choosing the Apple () menu from the upper-left menu bar and then choosing Sleep. Wake the computer after it has gone to sleep.
Restart your Mac by choosing the Apple () menu from the upper-left menu bar and then choosing Restart.
Shut down your Mac by choosing the Apple () menu from the upper-left menu bar and then choosing Shut Down.
Resetting the SMC for Mac Pro, Intel-based iMac, Intel-based Mac mini, or Intel-based Xserve
Shut down the computer.
Unplug the computer's power cord.
Wait fifteen seconds.
Attach the computer's power cord.
Wait five seconds, then press the power button to turn on the computer. -
I cannot turn my macbook. I already do the smc reset. What should i do?
I cannot turn my macbook. I already do the smc reset. What should i do?
so you reset smc is success? and do you try to use the command+option+P+R when you press the power button.
if it can not work I suggest to contact Genius Bar for help -
I did the SMC reset for my iMac intel-based and now it won't turn on. What can I do to fix this?
Well, first things first... is the power cord fully plugged into the back of the iMac (and the wall, for that matter)?
Make sure the wall outlet has power, too... I've scratched my head over stupid issues where I forgot to flip a wall switch.
If the outlet does have power, then try doing a pram zap. Command + option + P + R (hold those at startup).
If the machine is receiving power, you should be able to see some LEDs if you look through the bottom grate of the machine to the left of the RAM door. -
Hello Everyone,
This is my first time using the forum. My macbook battery will not charge. I have tried unplugging and doing an SMC reset but it did not seem to change. I have yet to try another magsafe charger. The charger has a dim green light while plugged into the computer. What should my next steps be, besides trying a new charger as well as being the most cost effective?
Thanks
-TBHi ..
The battery may need replacing.
Check the battery maximum cycle count > Mac notebooks: Determining battery cycle count
And check the adapter > Apple Portables: Troubleshooting MagSafe adapters -
My MacBook Pro 2009 won't turn on. It suddenly won't charge and when it did, I shut it down and now it won't turn back on. Charging shows green and the green little dots are showing on the side. I tried smc reset, command+p+r. Any other suggestions before i take it to apple service center?
A four year battery could be dead. I'd contact an Apple Service Center.
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Hello,
Less than a year after purchasing a brand new, early-2011 Macbook Pro (still covered under Extended Apple Care) and, sadly, only a week or two after finally upgrading to 8GB RAM, I returned to my notebook after taking a shower and watched it suddenly shut itself down. It has not been responsive to the power button since then (although, see below.. I think I can fix it).
Genius Bar took one look at the visible moisture sensor you can see underneath where the RAM sits and declared it water-damaged. While I agree that either a short and/or corrosion is causing my MBP to malfunction, I don't believe it should void my warranty because the problem isn't that I spilled something on it.1
I hope someone can give me some insight into fixing this myself. Apple says "the Logic Board needs replaced" (a common CS response, I've noticed) the water damage voids my Extended Care + that it'll be at least $1200 and several weeks. Here's the situation:
MBP will not turn on just by pressing the power button. However, MBP consistently (every time) powers up when I do an SMC reset.
I have it in verbose mode and it begins booting. But, it will invariably turn off without warning anywhere between 30 seconds and 8-10 minutes after powering up.
MBP will not turn on just by pressing the power button. However, MBP consistently (every time) powers up when I do an SMC reset.
I have it in verbose mode and it begins booting. But, it will invariably turn off without warning anywhere between 30 seconds and 5 minutes of powering up.
Eighty percent of the time, it turns off during the pre-Xorg boot. However, I have also seen it fully boot, I log in, I'm able to peruse logfiles/etc. Safe Mode (holding shift) crashes early. Single-user mode makes no difference. PRAM/NVRAM/etc makes no difference. I can boot to the Recovery Partition but it turns off just the same (disk utility scan takes too long).
I haven't been able to really test the Internet Recovery because the hotel wireless takes too long. I did boot into Hardware Test and it passed the basic and extended tests (although it seemed to just be testing the RAM integrity.
I can boot from the optical drive with a FreeBSD 9 livecd and an Ubuntu 11.04 livecd. Of note is that the laptop shuts off consistently when FreeBSD begins the journaling services for the ZFS filesystem (every time).
Here is where this leads me to believe I'm at (I am not dogmatic here and would appreciate any corrections or insight):
It seems like there may be corrosive damage on the logic board but maybe it's isolated given the various consistencies in what's happening. It seems like whenever SATA is use, I lose power. When SATA isn't really used (the HW Test), the laptop has literally stayed on for days and days.
I want to get in there and clean up any corrosion with 91% isopropyl alcohol (9% distilled, non-conductive water).
I want to use a bootable OSX livecd with an "emergency console" so I can, basically, use boot options to step throught the boot process and see if I can isolate the problem.
Here is what I'm uncertain about and could use guidance:
Does any of this sound remotely reasonable to anyone who has been through this or am I delusional?
Any tips on identifying and cleaning any corrosion?
While I had made a bootable version of Lion via Disk Utility and a rescue disk with some third-party app, they are MIA and I don't have another Mac at the moment. Do I have any other options? Again, an install dvd is not exactly what I want -- more like a rescue dvd. I had read about some Apple Stores giving/copying bootable USB thumb drives like this to customers. But, I noticed that this is now on sale there for $80. I would use this like once and, ideally, could use my MBP to make more. $80 seems a bit much.
I should be able to step through the boot process in a way like what's possible with FreeBSD, no?
Anyone have any other specific troubleshooting tips?
I really, reallly need my MBP back as soon as possible. I'd really appreciate any wisdom and insight! Thank you,
-ryan
To be totally honest, about 3 weeks prior I spilled some milk from cereal on the desk and a little bit got onto the battery. However, the notebook worked fine for the following weeks. I believe that the problems have been caused by ambient humidity ... I've been staying in a hotel that steams up the entire room when I take a shower. The windows are covered in water droplets so why wouldnt the MBP be affected? As noted, these problems began after I lingered in a hot shower.multiplryan wrote:
To be totally honest, about 3 weeks prior I spilled some milk from cereal on the desk and a little bit got onto the battery.
I don't think you have a case.
You can replace the logic board yourself if you are a DIY'er and save some money. -
13" Air has required SMC reset twice due to weird behavior (fan, backlight)
Note: MacOS version is really 10.6.7 plus Supplemental Update for the 13.3" MacBook Air.
My MacBook Air 13.3" 2.13 GHz/4GB/256GB, purchased in late November 2010, has twice now started acting weirdly after I installed MacOS 10.6.7 Supplemental Update. Resetting the SMC ( http://support.apple.com/kb/ht3964 ) solves the problem, but I'm getting worried because it's happened twice now in a few days.
Symptoms:
Even though I closed the lid with MacOS running, putting the machine to sleep, it either refuses to wake from sleep, forcing me to hold the power button to force it to reset, or it automatically performs a cold start and boot when I open the lid.
When I turn the machine on, the screen backlight is turned to maximum, regardless of previous setting.
When I turn the machine on, the fan(s) start running at full speed, regardless of temperature or load.
When I turn the machine on, it lingers for a long time at the gray screen before the screen turns blue and MacOS loads.
When MacOS has booted, the menu bar displays a battery icon with an X inside it. When I enter System Profiler and click Power, it reports that there is no battery installed. It also reports that the machine is connected to an external power source, even if that's not the case. It does not identify the external power source.
When I connect the external power adapter to the machine, the light on the connector does not come on (no light at all, neither amber nor green).
When I perform a shutdown, the machine will power off. However, handling the machine (with the lid closed the entire time) will repeatedly cause the fan to come on for a few seconds at full speed, then stop.
Resetting the SMC will fix these problems and cause the machine to perform normally after the reset. However, after leaving the machine sleeping for approx. 12 hours after a few hours' use after the first reset, the problem reappeared and the machine cold booted when I opened the lid, forcing me to shut it down and perform another SMC reset.
I'm worried this problem was either caused by the Update to 10.6.7, the Supplemental Update to 10.6.7 for the 13.3" MacBook Air, by an unrelated firmware bug or of course by hardware problems.
Anyone else out there with the same problem/symptoms? Anyone care to venture a guess as to what the problem is?
Thanks,
GunnarHi,
I have an update so I thought I would share in case any other users are experiencing a similar problem.
I made an appointment with the Genius Bar at the Apple Store.
I went in and they ran a thorough diagnostic check on my Macbook Air and determined that the sensors were indeed faulty - several were providing no information "No reading" instead of providing a temperature. Thus, the Air was unaware of the temperature across multiple components.
Despite the laptop being outside the 12 Month Manufacturer Warranty, the Apple Store determined that it was covered under warranty through Australian Consumer Law - the laptop is now in for a complete repair under warranty at no cost to myself.
I couldn't be happier. -
Smc reset not working on macbook pro mid 2010
Hello all,
I have all the problems indicating i need to reset the smc: fans running at full speed, mac doesn't go to sleep when closing lid, battery not seen by computer. this all happend in the process of changing the hdd and reinstalling 10.8.3.
When i try to reset the smc, the led on the charger does not blink or anything, and none of the above problems are fixed, but the computer is extremely slow when started after this reset (mouse lacking etc.).
However if i hold down shift, ctrl and option and release them before the power button, and then release the power button after a few seconds, the computer run perfectly fast, but still none of the above problems are fixed.
Any ideas how i can do a succesfull smc reset?I have an update: the Smc reset actually helps away all the things except, the battery still cant be seen. But suddenly after about a minute, the fans speed up and the computer becomes extremely slow again. Also i noticed that the sleep indicator blinks 5 times before startup. What does that mean?
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Here's what I've tried;
SMC reset
Pram reset
Looked at activity monitor - mostly seems OK aside from a kernel task taking up memory (approx 460MB) but CPU is around 96% idle.
Fan seems to be running constantly - heats up noticeably when I close the MBP
Despite a re-install of Mavericks, MBP is running frustratingly slow. Just typing is enough to bring on the beach ball.
Have backed up everything, reinstalled from a clone, checked through Apple Hardware test and carried out a Verify Disk Permission - nothing was reported, erased the drive and set up again - problem still stands.
Memory is running at 3.43 GB without anything really running bar Safari.
A little loath to install SMC fan control without knowing what's wrong.
Checked software updates.
Can anyone tell me what the matter is? Does this have a fix?
Have been reading up various posts but to no avail so have resorted to posting myself.
Does this sound familiar to anyone?
Many, many thanks
Roque1. 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.
2. If you don't already have a current backup, back up all data before doing anything else. The backup is necessary on general principle, not because of anything in the test procedure. Backup is always a must, and when you're having any kind of trouble with the computer, you may be at higher than usual risk of losing data, whether you follow these instructions or not.
There are ways to back up a computer that isn't fully functional. Ask if you need guidance.
3. Below are instructions to run a UNIX shell script, a type of program. All it does is to collect information about the state of the computer. That information goes nowhere unless you choose to share it. However, you should be cautious about running any kind of program (not just a shell script) at the request of a stranger. If you have doubts, search this site for other discussions in which this procedure has been followed without any report of ill effects. If you can't satisfy yourself that the instructions are safe, don't follow them. Ask for other options.
Here's a summary of what you need to do, if you choose to proceed:
☞ Copy a line of text in this window to the Clipboard.
☞ Paste into the window of another application.
☞ Wait for the test to run. It usually takes a few minutes.
☞ Paste the results, which will have been copied automatically, back into a reply on this page.
The sequence is: copy, paste, wait, paste again. You don't need to copy a second time. Details follow.
4. 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.
5. If you have more than one user, and the one affected by the problem is not an administrator, then please run the test twice: once while logged in as the affected user, and once as an administrator. The results may be different. The user that is created automatically on a new computer when you start it for the first time is an administrator. If you can't log in as an administrator, test as the affected user. Most personal Macs have only one user, and in that case this section doesn’t apply. Don't log in as root.
6. The script is a single long line, all of which must be selected. You can accomplish this easily by triple-clicking anywhere in the line. The whole line will highlight, though you may not see all of it in the browser window, and you can then copy it. If you try to select the line by dragging across the part you can see, you won't get all of it.
Triple-click anywhere in the line of text below on this page to select it:
PATH=/usr/bin:/bin:/usr/sbin:/sbin:/usr/libexec;clear;cd;p=(Software Hardware Memory Diagnostics Power FireWire Thunderbolt USB Fonts 51 4 1000 25 5120 KiB/s 1024 85 \\b%% 20480 1 MB/s 25000 ports 'com.autodesk.AutoCad com.evenflow.dropbox com.google.GoogleDrive' DYLD_INSERT_LIBRARIES\ DYLD_LIBRARY_PATH -86 ` route -n get default|awk '/e:/{print $2}' ` 25 N\\/A down up 102400 25600 recvfrom sendto CFBundleIdentifier 25 25 25 );N5=${#p[@]};p[N5]=` networksetup -listnetworkserviceorder|awk ' NR>1 { sub(/^\([0-9]+\) /,"");n=$0;getline;} $NF=="'${p[45]}')" { 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/^ */ /;s/[-0-9A-Fa-f]{22,}/UUID/g;s/(ochat)\.[^.]+(\..+)/\1\2/;/Shared/!s/\/Users\/[^/]+/~/g ' ' s/^ +//;5p;6p;8p;12p;' ' {sub(/^ +/,"")};NR==6;NR==13&&$2<'${p[10]} ' 1s/://;3,6d;/[my].+:/d;s/^ {4}//;H;${ g;s/\n$//;/s: [^EO]|x([^08]|02[^F]|8[^0])/p;} ' ' 5h;6{ H;g;/P/!p;} ' ' ($1~/^Cy/&&$3>'${p[11]}')||($1~/^Cond/&&$2!~/^N/) ' ' /:$/{ s/ *:$//;x;s/\n//;/Apple|Genesy|Intel|SMSC/d;s/\n.*//;/\)/p;};/^ *(V.+ [0N]|Man).+ /{ s/ 0x.... //;s/[()]//g;s/(.+: )(.+)/ (\2)/;H;} ' ' s/^.*C/C/;H;${ g;/No th|pms/!p;} ' '/= [^GO]/p' '{$1=""};1' ' /Of/!{ s/^.+is |\.//g;p;} ' ' $0&&!/:/;END { if(NR<100)print "com.apple.";} ' ' $3~/[0-9]:[0-9]{2}$/ { $4="";gsub(" "," ");gsub(/:[0-9:a-f]{14}/,"");} { print|"tail -n'${p[12]}'";} ' ' NR==2&&$4<='${p[13]}' { print $4;} ' ' END { $2/=256;if($2>='${p[15]}')print int($2) } ' ' NR!=13{next};{sub(/[+-]$/,"",$NF)};'"`S0 21 22`" 'NR==2'"`S0 37 17`" ' NR!=5||$8!~/[RW]/{next};{ $(NF-1)=$1;$NF=int($NF/10000000);for(i=1;i<=3;i++){$i="";$(NF-1-i)="";};};'"`S0 19 20`" 's:^:/:p' '/\.kext\/(Contents\/)?Info\.plist$/p' ' s/^.{52}//;s/ .+//p ' ' /Launch[AD].+\.plist$/;END{if(NR<100)print "/System/";} ' '/\.xpc\/(Contents\/)?Info\.plist$/p' ' NR>1&&!/0x|\.[0-9]+$|com\.apple\.launchctl\.(Aqua|Background|System)$/ { print $3;} ' '/\.(framew|lproj)/d;/plist:|:.+(M.+exec|scrip)/s/:[^:]+//p' '/root/p' ' !/\/Contents\/.+\/Contents|Applic|Autom|Frameworks/&&/Lib.+\/Info.plist$/;END{if(NR<100)print "/System/"};' '/^\/usr\/lib\/.+dylib$/p' '/\/etc\/(auto_m|hosts[^.]|peri)/s/^\.\/[^/]+//p' ' /\/(Contents\/.+\/Contents|Frameworks)\//d;p;' 's/\/(Contents\/)?Info.plist$//;p' ' { gsub("^| ","||kMDItem'${p[35]}'=");sub("^.."," ") };1 ' p '{print $3"\t"$1}' 's/\'$'\t''.+//p' 's/1/On/p' '/Prox.+: [^0]/p' '$2>'${p[9]}'{$2=$2-1;print}' ' BEGIN { i="'${p[26]}'";M1='${p[16]}';M2='${p[18]}';M3='${p[31]}';M4='${p[32]}';} !/^A/ { next;} /%/ { getline;if($5<M1) a="user "$2"%, system "$4"%";} /disk0/&&$4>M2 { b=$3" ops/s, "$4" blocks/s";} $2==i { if(c) { d=$3+$4+$5+$6;next;};if($4>M3||$6>M4) c=int($4/1024)" in, "int($6/1024)" out";} END { if(a) print "CPU: "a;if(b) print "I/O: "b;if(c) print "Net: "c" (KiB/s)";if(d) print "Net errors: "d" packets/s";} ' ' /r\[0\] /&&$NF!~/^1(0|72\.(1[6-9]|2[0-9]|3[0-1])|92\.168)\./ { print $NF;exit;} ' ' !/^T/ { printf "(static)";exit;} ' '/apsd|OpenD/!s/:.+//p' ' (/k:/&&$3!~/(255\.){3}0/ )||(/v6:/&&$2!~/A/ ) ' ' /lR/ { if($2<='${p[25]}')print $2;} ' ' BEGIN { FS=":";} $3~/(sh|ng|ic)$/ { n=split($3,a,".");sub(/_2.+/,"",a[n-1]);b=b"\n"$2" "a[n-1]" "a[n]" "$1;c=c$1;} END { d="sort|tail -n'${p[38]}'";print b|d;close(d);if(c)print("\n\t* Code injection");} ' ' NR!=4{next} {$NF/=10240} '"`S0 27 14`" ' END { if($3~/[0-9]/)print$3;} ' ' BEGIN { L='${p[36]}';} !/^[[:space:]]*(#.*)?$/ { l++;if(l<=L) f=f"\n "$0;} END { F=FILENAME;if(!F) exit;if(!f) f="\n [N/A]";"file -b "F|getline T;if(T!~/^(A.+ E.+ text$|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);} ' ' BEGIN{FS="= "} /Path/{print $2} ' ' /^ +B/{ s/.+= |(-[0-9]+)?\.s.+//g;p;} ' ' END{print NR} ' ' /id: N|te: Y/{i++} END{print i} ' ' /:/{$0="'"${p[28]}"'"};1;' '/ en/!s/\.//p' );c1=(system_profiler pmset\ -g nvram fdesetup find syslog df vm_stat sar ps sudo\ crontab sudo\ iotop top pkgutil PlistBuddy 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 );c2=(com.apple.loginwindow\ LoginHook '-c Print /L*/P*/loginw*' '-c Print L*/P*/*loginit*' '-c Print L*/Saf*/*/E*.plist' '~ $TMPDIR.. \( -flags +sappnd,schg,uappnd,uchg -o ! -user $UID -o ! -perm -600 \)' '.??* -path .Trash -prune -o -type d -name *.app -print -prune' '-c Print\ :'${p[35]}' 2>&1' '-c Print\ :Label 2>&1' '{/,}L*/{Con,Pref}* -type f ! -size 0 -name *.plist -exec plutil -s {} \;' "-f'%N: %l' Desktop L*/Keyc*" therm sysload boot-args status '-F bsd -k Sender kernel -k Message Req "Beac|caug|dead[^bl]|GPU |hfs: Ru|inval|jnl:|last value [1-9]|n Cause: -|NVDA\(|pagin|proc: t|Roamed|rror|ssert|Thrott|timed? ?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/*/*.{BS,Bas,Es,OSXU,Rem}*.bom' '{/,}L*/Lo*/Diag* -type f \( -exec grep -lq "^Thread c" {} \; -exec printf \* \; -o -true \) -execdir stat -f:%Sc:%N -t%F {} \;' '-L {/{S*/,},}L*/Lau* -type f' '-L /{S*/,}L*/StartupItems -type f -exec file {} +' '-L /S*/L*/{C*/Sec*A,E}* {/,}L*/{A*d,Compon,Ex,In,iTu,Keyb,Mail/B,P*P,Qu*T,Scripti,Sec,Servi,Spo}* -type f -name Info.plist' '/usr/lib -type f -name *.dylib' `awk "${s[31]}"<<<${p[23]}` "/e*/{auto_master,{cron,fs}tab,hosts,{launchd,sysctl}.conf} /usr/local/etc/periodic/*/* .launchd.conf" list getenv /Library/Preferences/com.apple.alf\ globalstate --proxy '-n get default' -I --dns -getdnsservers -getinfo\ "${p[N5]}" -P -m\ / '' -n1 '-R -l1 -n1 -o prt -stats command,uid,prt' '--regexp --only-files --files com.apple.pkg.*|sort|uniq' -kl -l -s\ / );N1=${#c2[@]};for j in {0..8};do c2[N1+j]=SP${p[j]}DataType;done;N2=${#c2[@]};for j in 0 1;do c2[N2+j]="-n 'syscall::'${p[33+j]}':return {@out[execname,uid]=sum(arg0)} tick-10sec {trunc(@out,1);exit(0)}'";done;l=(Restricted\ files Hidden\ apps 'Elapsed time (s)' POST Battery Safari\ extensions Bad\ plists 'High file counts' User Heat System\ load boot\ args FileVault Diagnostic\ reports Log 'Free space (MiB)' 'Swap (MiB)' Activity 'CPU per process' Login\ hook 'I/O per process' Mach\ ports kexts Daemons Agents launchd Startup\ items Admin\ access Root\ access Bundles dylibs Apps Font\ issues Inserted\ dylibs Firewall Proxies DNS TCP/IP RSSI Profiles Root\ crontab User\ crontab 'Global login items' 'User login items' Spotlight );N3=${#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]=$?;v[3]=`date +%s`;clear;};for i in 0 1;do eval ' A'$((1+i))'() { v=` eval "${c1[$1]} ${c2[$2]}"|'${c1[30+i]}' "${s[$3]}" `;[[ "$v" ]];};A'$((3+i))'() { v=` while read i;do eval "${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[$2]}";};B6() { v=` paste -d: <(echo "${v[$1]}") <(echo "${v[$2]}")|awk -F: ' {printf("'"${f[$3]}"'",$1,$2)} ' `;};B7(){ v=`grep -Fv "${v[$1]}"<<<"$v"`;};C0(){ test "$v"&&echo "$_";};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;D22 0 $((N1+4)) 5 4;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 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;D23 24 24 32 31;D13 25 37 32 33;A1 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 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;D22 32 31 43 38;D23 20 42 32 41;D23 14 2 48 43;D13 4 5 32 1;D22 4 4 50 0;D13 14 3 49 5;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.
7. 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.
8. If you see an error message in the Terminal window such as "syntax error," enter
exec bash
and press return. Then paste the script again.
9. 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.
10. 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 the results. No harm will be done.
11. 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 "Model Identifier." 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.
12. When you post the results, you might see the message, "You have included content in your post that is not permitted." It means that the forum software has misidentified something in the post as a violation of the rules. If that happens, please post the test results on Pastebin, then post a link here to the page you created.
Note: 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. -
External Display Problem - SMC Reset Required After EVERY Restart
I have a mid-2010 macbook pro that I often use in Clamshell mode with an external display (an ASUS VS239H-P 23-Inch Full-HD LED IPS monitor). I connect to my monitor with an Amazon brand HDMi cable via a Monoprice Mini Display Port to HDMI adapter. I'm running OS X 10.8.4.
Here's the problem... whenever I go "mobile" and disconnect my macbook pro from the external display, my macbook seems to work fine at first, but if I ever need to restart my macbook, it thinks it is still in clamshell mode upon reboot. The built in display stays dark, and if I close the lid, the power indicator lights up and stays lit up; if I open the lid, the light disappears. It doesn't even matter if the power cord is plugged in or not, the computer thinks it is in clamshell mode. This occurs ANY time I restart my computer, whether I'm booting into bootcamp or OS X. If I do an SMC reset, I can successfully restart my computer. But if I ever need restart my computer again, and I haven't reconnected to my external display, the problem happens all over again. The only other way to fix the problem is if I plug my external display back in, then unplug it, which seems to remind my macbook that the display has been disconected. Unfortunatley I can't do this if I'm out for business and my display is not near me.
What gives? What can I tweak to fix this? I'd rather not have to wipe the HD and do a fresh install of the OS.It might be the CMOS battery has failed. That battery supplies power to holds all the firmware data, the system management controller data. So on a restart it is losing all that stored data for the SMC. You need to take the system to apple and have it fixed.
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Keyboard Backlight not working after SMC reset
I have a Late 2009 MacBook Pro, and I noticed that the backlight for my keyboard stopped working last night. I Performed an SMC reset and powered the computer back up. Again the backlight never came on, but I noticed that if I pressed the keyboard brightness buttons the icon that used to show on the screen showing what the brightness is at, (like the volume one), was not showing up anymore. I checked the keyboard settings and noticed that the auto brightness for the keyboard dissapeard. Anyone have any suggestions?
try to reinstall your firmware, im having the similar problems, but reinstalling wont let me.... http://support.apple.com/kb/HT1237
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I have tried to do everything I can find in previous forums, ex: smc reset, removing back panel and undoing cord for a min, nothing seems to work, any ideas please.
There are no settings Readers can suggest you change for different results.
Your appointment at the Genius Bar for an evaluation is FREE, in warranty or out. These guys put their hands on these Macs all day every day, and Power and other Physical Problems is what they are good at.
Plus they have lots of spare parts they can swap around to figure out what it is doing in a hurry. -
When I begin to play Diablo 3 with my fairly new 15" mac book pro with retina display, every now and then my computer will be really laggy when playing it (frame rate of under 5). Normally its performance is really fast with a frame rate of about 40-60 frames per second depending on the resolution used. When this happens I have performed a SMC reset and it fixed the problem. However, every few days it will act up again and I will have to do an SMC reset again. It has now happened again for the third time and I am affraid to continue to perform an SMC reset, is this bad for my computer? Should I take it in and have them trouble shoot it? Any help would be greatly appreciated to figure out what is wrong. Thanks.
So this is what I got when I took my computer into the apple store to have it diagnosed.
After the apple technician performced several tests, the only thing that fixed the issue was an SMC reset. Based on this he figures it is probably a software or firmware issue that is going on. He is a little concerend how ever that the fans of the comupter don't reach maximal rpm when the computer is displaying the issue. So he recorded the problem, and told me to just perform the SMC reset as needed for the next couple months and wait for a new update from apple. If the issue persists I am to go back to the apple store and they will take the appropriate steps.
He said an SMC reset doesn't hurt the computer in any way, so its safe to do. I am gonna contact blizzard and let them know about the issue as well because if it is software, it could be their game (Diablo 3) that is causing the issue as well. If I hear of anything new i will let you know. So get on the blizzard form and let them know of the issue to fix the problem faster.
Thanks for your help,
Tetrault
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