I NEED TO RESET PMU & RESET PRAM...HOW??

hello all...i was on the phone with applecare and i was told i have to reset pmu and rest pram...somehow last night i lost safari, deleted it, and tryed to download again and when i tryed it said "you can not install safari 1.2 on this volume. This system can not use this software"...i am new to apple so i have no idea what i'm doing..anyones help would be GREATLY appreciated!
thanks!

Hi,
Safari 1.2 is for OS X 10.3 (the previous version of the operating system according to your profile). If you are using 10.4.2, try installing the 10.4.2 combo update which should re-update your Safari to the correct version.

Similar Messages

Powerbook won't charge OR run on Good Batteries despite PRAM & PMU resets

Hi All, I own 4 Macs including 2 G4 1,67ghz 15" Powerbooks. I can't get one of the units to CHARGE or run OFF GOOD batteries.(Batteries charge fine on the other unit). I have tried the following:
1) PMU and PRAM NVRAM resets (Open Firmware)
2) Used the same power chord on both units. Both run fine off the power chord.
3) When I do the PMU reset, I need to reset the DATE/TIME preferences.
4) In System Profiler, the unit recognizes both batteries, one at 99%, the other @ 87%
5) Computer works fine so long as it's plugged in and the AC connection is maintained.
6) Cleaned the battery contacts o the machine
When I take the power chord and battery off the GOOD unit as if I'm doing a PMU reset and hook either the battery or power chord back on it also needs a DATE/TIME preference reset. I SEEM to recall both units always doing this, but I do have a faulty memory. The good unit holds the Date/Time with the battery installed.
The simple questions : Do the need for Date/Time resets with the batteries out of both units mean bad PRAM batteries on both computers?
The harder question: Any ideas/suggestions as to what might be wrong with the bad unit? I'm guessing ? that the PRAM alone is not the issue since the GOOD machine starts up fine despite a potentially??? bad PRAM battery.
I realize the logic board might be an issue, however the machine runs fine with AC power. I did take the computer apart to replace a faulty logic board awhile back but can't remember if the problems manifested immediately and as a consequence of that since I put the unit on a shelf and didn't use it again for 6 months or so. Is there anything besides the logic board that might be faulty/disconnected preventing the computer from utilizing battery power.
Again, it SEES a perfectly fine battery. It just can't use the battery.
Thanks for any and all input. I appreciate it.
Curtis

I happen to have two G4 1.67Ghz 15" PB's sitting in front of me too .... However, to answer your question ... If you remove the power and you remove the battery, and, when you put the power or battery back in and restart the system, and it resets the date to 1969 or some other ancient date, then yes, the PRAM battery is bad.
Now, the bad unit. There are 4 components to charging circuit: power adapter, dc-in card, battery, and logic board. With two systems, you've verified that power adapter and battery aren't contributors. The fact that it runs off wall power suggests the DC-in card is good. That leaves the logic board. Sadly, there isn't a test of any of these, so you have to do it by process of elimination. One of our PBs stopped charging a couple of years ago, and at the Apple store they said they start from least expensive and move up from there when it comes to diagnosing power issues.
The least expensive way to fix the logic board is to take it to the Apple store. For $350 or so (costs around 2X if done in store), assuming the case isn't banged up, they can ship it to the Apple Depot, who will replace whatever it takes to bring the system up to close to new. Comes back with a 90 day warranty. On the system we used this for, they replaced the logic board and battery, and it's worked fine, except it's recently developed the bad memory slot. For it's use, 1GB is OK, so it's not a big deal, although a bit disappointing (likely used a refurbished board that tested well at that moment in time).
Good luck!

Need to reset PMU on AGP G4 everytime I power up...........

.......otherwise the monitor won't come on.
I have had this same hardware setup for years. A 32MB AGP video card, system profiler below and a 450 MHz AGP Mac upgraded with a 1.4 GHz processor from OWC.
Tried to upgrade the video card recently to a 128 MB unit, but I didn't have the extra power cable required so I went back to the existing video card.
After that, the Mac would not start at all - no power nothing.
After some other checks, I eventually reset the PMU and then Mac then started fine.
But now, after I shut the Mac off, it will come one when I hit the power button, ie power light is on, fans are spinning, but the display stays dark.
When I query the display (pushing the "+" button on it, it tells me the Mac is in the sleep mode. However, moving the mouse or operating the keyboard doesn't wake it up.
If I then power down the Mac again (by holding down the power button), reset the PMU again, the Mac powers up OK next time around and the display come on.
I went through that scenario twice so far.
I usually leave the Mac running 24/7, so maybe this is an older problem which I never noticed, but does anyone know what is going on? Or better yet how to fix this.
I haven't tried resetting PRAM - would that help.
The battery reads around 3.4 volts in the holder; it was replaced once. Any possibility that could be the issue?
I don't want to experiment too much without some specific focus since I keep hearing that resetting the PMU too often is not good. No idea why that would be however.
Chipset Model: ATY,RV100
Type: Display
Bus: AGP
Slot: SLOT-A
VRAM (Total): 32 MB
Vendor: ATI (0x1002)
Device ID: 0x5159
Revision ID: 0x0000
ROM Revision: 113-85501-208

I want to pick up on this thread again.
I keep the mac running 24/7, so the display not coming up when I power up was not a really big problem. I had hoped that replacing the battery would solve this issue, but it didn't.
I bought a brand new battery, checked the open circuit voltage before I replaced the old one, but I still have the problem.
The oen circuit voltage on the new battery is 3.62 volts; the open circuit voltage on the old one was 3.66 volts - both well within specs. The minimum voltage Apple specifies is 3.3 volts, so I'm well within specs.
I wonder if in the time since my initial post someone else has had this problem and found a solution other than the ones that have been linked to or are available via a google search.
Problem briefly:
When I shut down the Mac and then restart it, the Mac powers up fine but the LCD display does not come on. When I query the display using the display buttons, it tells me there is no video input. This display used to work fine; if I use a different AGP G4, the display powers up fine automatically, so my conclusion is that this is a Mac and not a display problem.
The way to bring the display back is to power off the Mac by holding the power button down, open the case, push the PMU reset button once, close the case and hit the power button.
If I only restart the Mac, the display goes off (as it should), the LED indicator on the display goes into the power down mode (orange instead of green), but when the Mac then restarts, the display comes on fine. The Mac in this situation of course never turns off completely.
Does anyone have any other ideas what to try - I'm tempted to get another logic board.

I am trying to sign in to attend a session and it says 'Invalid user or password. Please try again.' I have reset my password and it still doesn't work. I created a new AdobeID and it still doesn't work. I need to attend this training. How can I get in?

I am trying to sign in to attend a session and it says 'Invalid user or password. Please try again.' I have reset my password and it still doesn't work. I created a new AdobeID and it still doesn't work. I need to attend this training. How can I get in?

Sorry to hear about this problem. What site are you trying to log in on? Is it a Mozilla site? Usually you don't need to register or sign in to a Mozilla site to use Firefox. Usually you can just go straight to where you want to go.

Hi I need to reset my ipad 2 .How .Please

Hi I need to reset mt ipad 2 .How . Please & THank you

Locked Out, Forgot Lock or Restrictions Passcode, or Need to Restore Your Device: Several Alternative Solutions
A
1. iOS- Forgotten passcode or device disabled after entering wrong passcode
2. iPhone, iPad, iPod touch: Wrong passcode results in red disabled screen
3. Restoring iPod touch after forgotten passcode
4. What to Do If You've Forgotten Your iPhone's Passcode
5. iOS- Understanding passcodes
6. iTunes 10 for Mac- Update and restore software on iPod, iPhone, or iPad
7. iOS - Unable to update or restore
Forgotten Restrictions Passcode Help
iPad,iPod,iPod Touch Recovery Mode
You will need to restore your device as New to remove a Restrictions passcode. Go through the normal process to restore your device, but when you see the options to restore as New or from a backup, be sure to choose New.
You can restore from a backup if you have one from BEFORE you set the restrictions passcode.
Also, see iTunes- Restoring iOS software.

Is a needed PMU reset a sign of impending failure??

My computer wouldn't start this morning (definitely not a battery issue - tried two fully charged batteries). A PMU reset worked. I haven't had to do a PMU reset before, but I'm wondering if this is a sign of impending failure. What should I be looking out for?

Hi,
Welcome to the Discussions.
Having to reset the PMU isn't a sign of impending doom. It merely means that the PMU became corrupted (just like an application's .plist can) and needed to be replaced.
John

Th button. This happened some months ago and I succeeded in starting it using a procedure I found on some forum, which involved pmu reset etc. now I cannot find this advice. If anyone remembers how this is done I would be gr

My t 1.25 refuses to startup on pressing the on button. This happened once before and I found a formula on a forum which involved the pmu reset switch in combination with other directions, which was successful in correcting the issue. Anyone remember how to do this? Many thanks

Resetting PMU:
http://support.apple.com/kb/HT1939?viewlocale=en_US&locale=en_US

HT1918 i need to reset my security password, how do I do that?

i need to reset my security password, how do i do that?

Hello marilyn297,
Thanks for the question. If you do not recognize your security questions, or do not know the answers, see the following article for steps on how to reset them:
Apple ID: All about Apple ID security questions
http://support.apple.com/kb/HT5665
What should I do if I don't remember the answers to my Apple ID security questions?
Try answering them at least once to see if you can get them right, even if you are not sure you remember the answers to your security questions.
If you are confident you can't remember them, try one of the following:
If you have three security questions and a rescue email address
     - sign in to My Apple ID and select the Password and Security tab to send an email to your rescue email address to reset your security questions and answers.
If you have one security question and you know your Apple ID password
     - sign in to My Apple ID and select the Password and Security tab to reset your security question.
If you have one security question, but don't remember your Apple ID password
     - contact Apple Support for assistance. Learn more about creating a temporary support PIN to help Apple confirm your identity when you contact Apple Support.
If you do not see the option for resetting your questions with a rescue email address, see this excerpt:
Note: The option to send an email to reset your security questions and answers will not be available if a rescue email address is not provided. You will need to contact iTunes Store support in order to do so.
Rescue email address and how to reset Apple ID security questions
http://support.apple.com/kb/HT5312
Additional Information:
Apple ID: Contacting Apple for help with Apple ID account security
http://support.apple.com/kb/HT5699
Thanks,
Matt M.

I have forgotten my security questions and need to send a reset email, but the email address that it wants to send it to doesn't work anymore. How do i change the email they send the email to?

I have forgotten my security questions and need to send a reset email, but the email address that it wants to send it to doesn't work anymore. How do i change the email they send the email to?

You cannot and need to contact Apple to get the questions reset. Click here, phone them, and ask for the Account Security team, or fill out and submit this form.
(95774)

I forrget my securety question for my apple iD and i need the link to reset it how can i find it

i forrget my securety question for my apple iD and i need the link to reset it how can i find it

The only thing I can suggest would be to contact AppleCare:
http://www.apple.com/support/appleid/contact/

I'm not receiving emails. Internet connection is fine. I was told by my provider that I need to reset my emails. How do I do that without losing all emails in my inbox?

I'm not receiving emails. Internet connection is fine. I was told by my provider that I need to reset my emails. How do I do that without losing all emails in my inbox?

Hi..
If you are using Mac Mail, from the Mail menu bar top of your screen click Mail > Take All Accounts Offline then click Take All Accounts Online.
You should not lose any unopened or saved mail.

Apparently I need a 4 number password to reset my phone. How am I supposed to know what it is?

Apparently I need a 4 number password to reset my phone. How am I supposed to know what it is?

Enter the passcode that is used to unlock the device.
The only other possible code is a restriction passcode which is set by the user.
If the unlock passcode has been forgotten, restore the device via iTunes on the computer that the device is normally synced with.
If the restrictions passcode has been forgotten, restore the device as new.

I need to reset time capsule. How do I turn it off and restart it? Unplug it?

I need to reset time capsule. How do I turn it off and restart it? Unplug it?

Resetting an AirPort Base Station or Time Capsule FAQ
How to reset Time Capsule

Resetting PMU, PRAM, etc when installing new RAM?

Dear Forum,
I've just ordered Kingston DDR SDRAM - KTA-G5400/2G 2GB PC3200 Kit - for my G5 Dual. My machine has 8 slots. This new RAM will occupy slots 4 and 5. I've checked that this is definitely the correct RAM for my machine.
I've read what Samara and Japamac have to say about resetting PMU,PRAM, and NVRAM.
Can you elaborate on this please? Where is the reset button located for my G5 Dual Processor? Is the reset performed before or after the installation of new RAM? The .pdf RAM installation manual (downloaded from this forum)does not mention any necessity to perform a reset, and does not identify the location of any button either?

Go to System Preference control panel Startup Disk and set it.
I'd use Option key to look for your boot drive first time anyway.
NVRAM
Non-volatile random access memory (NVRAM) is the general name used to...
http://en.wikipedia.org/wiki/NVRAM
PRAM: Parameter RAM, a small amount of NVRAM used on Apple Macintosh machines to store configuration information
http://docs.info.apple.com/article.html?artnum=2238
http://www.geocities.com/texas_macman/pram.html
http://www.felipecruz.com/reset-pmu-and-non-volatile-ram-g5.php
... there is a huge at-your-fingertips dictionary-encyclopedia-reference online and a click away...

ICalHelper re-sending ALL e-mail alarms in ALL calendars since PMU reset

Dear iCal List,
For various reasons, I reset the PMU on my PowerBook G4 today. (I had recently removed some preferences as well, in the hopes of curing an unrelated problem.) When I restarted the Mac and logged in, iCal proceeded to re-send EVERY e-mail alarm I had ever set up to today. (The PMU reset temporarily sets the clock to Dec, 1969, which I think is the problem... iCal must see this and assume that I haven't used the computer for the last 39 years....) This amounted to several hundred e-mails being generated and sent. I was able to disconnect from my LAN and eventually delete all the outbox e-mails, but this behavior of iCal and iCalHelper is exceptionally annoying.
Does anyone know (1) exactly what triggers this behavior (ie: Resetting PRAM, SMU/PMU, removing preferences, other), (2) how to stop iCalHelper from sending once it has started this (Yes, I know how to kill the process in Terminal, but once I restart iCalHelper, I'm afraid it will simply pick up where it left off.), and (3) whom to contact at Apple to ask them to rectify this annoying behavior? There isn't an obvious way to restrict iCalHelper's e-mail behavior to, say, only sending alarms for a maximum of 10 previous days. I cannot imagine a circumstance where you would want the program to look through its entire database for unsent alarms older than a certain time frame. Apple usually doesn't engage in sloppy programming. However, this unrestricted iterative loop is uncharacteristic and should be fixed. Obj-C 2.0 makes looping easy, but that shouldn't mean it's done without careful consideration and user-selected limits.
Thanks.
-Dan

I am still trying to figure out this problem as well. My MacBook Pro's logic board was replaced, and now I get empty iCal notifications every so often, and while these empty notifications are shown, iCal Helper (the process) goes to 99% of the CPU, and starts gobbling up all the free RAM on my computer. I keep having to force-quit it, as it pops back up again after a while.
I'm looking for an answer to this as well. Is there any way to reset iCal's notification system?

I NEED TO RESET PMU & RESET PRAM...HOW??

Similar Messages

Maybe you are looking for