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CompExpert
CompExpert, Mac Specialist
Category: Mac
Satisfied Customers: 1103
Experience:  Apple Desktop/Laptops with 8 years exp. Apple Certified
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OSX Lion version 10.7.3 installed on older MacBook Pro with

Customer Question

OSX Lion version 10.7.3 installed on older MacBook Pro with attached details. It will not sleep or shutdown cleanly. After choosing Sleep from Apple menu, it screen goes dark while the disk remains spinning & the light doesn't turn off. Same behavior when Shutdown is done. After system is restarted with hard reset, problem details are shown as,

"Error 4 trying to transition CPU 1 to OFF"

I done install twice after formatting the hard disk. All sharing is turned off. No printer is installed,so there is no outstanding print queue. "pmset -g assertions" shows EnableIdleSleep as set to 1, all others are 0.

--------------
Model Name: MacBook Pro
Model Identifier: MacBookPro2,2
Processor Name: Intel Core 2 Duo
Processor Speed: 2.16 GHz
Number Of Processors: 1
Total Number Of Cores: 2
L2 Cache: 4 MB
Memory: 3 GB
Bus Speed: 667 MHz
Boot ROM Version: MBP22.00A5.B07
SMC Version (system): 1.12f5
Serial Number (system): W871802EW0K
Hardware UUID: 00000000-0000-1000-8000-001B631B7EC5
Sudden Motion Sensor:
State: Enabled
Submitted: 2 years ago.
Category: Mac
Expert:  CompExpert replied 2 years ago.

CompExpert :

hi,
try to reset pram.

here is how:
turn off your computer by holding the power button for 5 seconds

Customer :

Already done that & NVRAM reset

CompExpert :

after power it on again, Immediately press and hold the Command,Option (alt), P and R keys

Customer :

No change

CompExpert :

do you have any antivirus software install?

Customer :

No, fresh install

Customer :

after HD reformat

Customer :

Tried the same with just the battery.

Customer :

Still no change

Customer :

Tried killing powerd, but process is restarted automatically

CompExpert :

try open disk utility, select your hard drive from left panel, click on first aid tab

CompExpert :

it restart itself

Customer :

Did that, repaired permissions & status check. Nothing abnormal

Customer :

You still want me to do the above ?

Customer :

i.e. first aid ?

CompExpert :

no

CompExpert :

does the system auto power up

CompExpert :

?

Customer :

No. Just shut it down again, light is off & disk is spinning

Customer :

Now I have to hold the power button so that it will shut down

Customer :

Also, same issue in safe mode as well

Customer :

Same behavior with admin account & a normal user account

Customer :

I have applied this patch as well,

OS X Lion Update 10.7.3 (Client Combo)
Customer :

http://support.apple.com/kb/DL1484

Customer :

No change yet.

Customer :

Do you have any further suggestion ?

CompExpert :

working in apple repairs for almost 10 years, seem to me you got a logic board problem. power issue on your logicboard.
I can help you fixed software problem, but if it a hardware. I recommend that you bring it to apple store to take a look.

basically if you do a fresh installation that removed troubleshooting steps from software to hardware

Customer :

Actually, I think it is a software issue as prior to the upgrade I had SL 10.6.8 which had no problems shutting down or sleeping.

CompExpert :

seem to me like the spec of your computer can handle Lion osx

CompExpert :

what you can do to test it out, what really caused the problem is to reinstall your old osx

CompExpert :

i do have some people after upgrade osx, somehow it damage the machine and problem starting to shown after installed.

CompExpert :

but then when they reinstall old osx

CompExpert :

problem still there

CompExpert :

I dont know what it is, but some few cases, Lion does put a lot of pressure on the hardware and crashed it

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