Fan shutting off when going to battery.

I have a HP Pavilion ZE2113 and whenever I unplug the power cord and go to battery the fan shuts off and the laptop overheats then shuts off within 5 minutes. I have cleaned the vents and blew out the fan with compressed air. The battery meter is at 98% remaining.
Any ideas??
Thanks.
Steve

Go to power option -> more power options
Select your power plan and change advanced power settings.
Go to maximum processor state, then System cooling policy and change
to active when on battery.
Make it easier for other people to find solutions, by marking my answer with 'Accept as Solution', if it solves your problem.
Click on the BLUE KUDOS button on the left to say "Thanks"

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Fan shuts off when iBook is moved

Greetings everyone!
I've become bored with helping everyone else out around here I'm hoping someone out there has an answer/some references for me.
Here's what's going on: my iBook's fan works just fine--kicks in when it's supposed to, doesn't run excessively--but if I move my iBook in any direction other than perfectly vertical or perfectly horizontal, the fan makes a loud grinding "whirr" and shuts off. Once the iBook is returned to its normal position, the fan resumes.
I think something's out of place in there and I'm wondering just how difficult it would be to open things up and look for myself. My warranty is long gone and I didn't purchase the extended warranty.
My apologies for the length of this post and thanks in advance for any assistance :-D

Hi Lyssa,
In my own opinion, maybe there's some loose parts or wire that protruding the motion of your fan. Opening up your iBook will be so much fun, and I hope this INSTRUCTION might give you some insight. Goodluck!
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MBP shuts off when battery goes down to ~20%

Recently, my MBP started shutting off when the battery level got to 20%. No low battery warning, just shuts off like it got to 0%. I plug it in, turn it on, it boots and battery level is right around 20%.
Battery Information:
Model Information:
Serial Number: SMP-ASMB012-3571-70d
Manufacturer: SMP
Device name: ASMB012
Pack Lot Code: 0001
PCB Lot Code: 0000
Firmware Version: 0102
Hardware Revision: 0300
Cell Revision: 0200
Charge Information:
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Fully charged: Yes
Charging: No
Full charge capacity (mAh): 4440
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Cycle count: 191
Battery health: Good
Battery Installed: Yes
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Voltage (mV): 12544
I took it to the Apple store and the "genious" told me that cycle count is too high and they can't replace the battery under warranty. He said I use it with a battery too much. Last time I checked, I bought a portable computer, it has a battery for a purpose. When I work at a client's office I don't always have it plugged in. What does actually constitute a "cycle"? I've had the laptop for 1 year and 2 months.

Ok, so I'll tell you guys my experience with the genius bar at the Apple Store.
It was about 2:20 pm today, I walked up to the genius bar and waited for someone to come to me -- which took all of 30 seconds. So he asked what my reason for visiting was, and I told him the story about how my battery would just cut off at 30%. He then asked for my computer, so I reached into my laptop bag, pulled it out, and placed it in front of him. It was in sleep mode so we just opened it up to get started; he went to the "About this Mac" from the Apple button in the menu bar and took a look at my serial number. After about 2 minutes he said "I'll be right back." I waited for no longer than two minutes, and he came out from the back with a box in hand. He then flipped my computer over and took my battery off, opened the box, pulled out a new battery and placed it in my computer. Then, all that I had left to do was sign for it, and I was on my way in no more than 10 minutes.
What I find interesting is that he didn't even look at how many "cycles" my battery had; although, it probably wouldn't have made much difference as it was only at 17. At any rate, I asked him if there was a set of defective batteries out there -- including mine -- and basically he told me that yes, there was. So I guess since he looked at my computers serial number, his computer told me that mine was one of the affected ones.
Anyways, bottom line was it was very easy to do to get it replaced, with zero hassle. For the most part, I'm pretty happy with how the Apple Store and genius bar both opperate, much better than dealing with stores like Best Buy and the like -- in my opinion anyways.
Good luck everyone.

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My Iphone 4 auto shut off when battery 20% and lower. The phone is only 1.5 years old. Can I know why this happen?

Most commom reason for this is faulty battery. You could try Restore with iTunes on computer, at end when prompted, Set Up iPhone as New. If still problem and you have AppleCare, take to Apple for resolution. If no coverage, make Genius reservation and take to Apple Store for quick free battery diagnostic testing.

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If you drained the battery, it may take a bit for it to come back. I'd plug it in and leave it for a few hours and see if it's charging.
If not, you can try to do a reset. Hold down the sleep and home keys for about 20 seconds. When you see the white apple, let go and let it reset and see if it charges.
It's also possible that your battery has reached the end of its life. THey can only handle a finite amount of recharge cycles. If you can't get it to hold a charge, then make an appointment at your local apple store and explore your other options.

My wife ran the battery down in her shuffle. When I plug it in to the wall or computer, it will blink red solid for about 3 seconds and then shut off. Is the battery that dead, or is something else wrong. ITunes does not show the shuffle

My wife ran the battery down in her shuffle. When I plug it in to the wall or computer, it will blink red solid for about 3 seconds and then shut off. Is the battery that dead, or is something else wrong. ITunes does not show the shuffle

Hi Jennsman40,
Welcome to Apple Support Communities.
If this symptom persists even after you charge your iPod Shuffle, see this page for some troubleshooting steps:
http://www.apple.com/support/ipodshuffle/assistant/itunes/
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http://support.apple.com/kb/ht3964
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when I use my 5 year old MBP on battery it suddenly shuts off when the battery life reaches 88%. Anyone know why and how to fix it?

Model Information:
Manufacturer:          Sony
Device Name:          ASMB012
Pack Lot Code:          1
PCB Lot Code:          0
Firmware Version:          110
Hardware Revision:          500
Cell Revision:          303
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Condition:          Service Battery
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My iBook just shuts off when it is still partially charged. Help?

Hello, I have an 14" iBook G4, and have been having problems lately with the computer shutting off (going dead, and not into sleep mode) after it has been running on battery power for awhile. It usually shuts off when the battery is at around 45-60 percent charge still left. It never shuts off when plugged in to the charger. Here are some specifics on the battery from the System Profiler:
Battery Information:
Battery Installed: Yes
First low level warning: No
Full Charge Capacity (mAh): 1545
Remaining Capacity (mAh): 1542
Amperage (mA): 0
Voltage (mV): 16543
Cycle Count: 225
I have been thinking about getting a new battery but I just replaced this one a year or two ago so I don't think it should be bad yet.
A few things that I think might be causing the problem might be that I upgraded this computer a while ago by putting in a 100 GB hard drive and putting in a Superdrive (it originally had a 40 GB HD and a Combo Drive). I also have an extra 512 MB of RAM installed. I also just recently upgraded to Mac OS 10.4.11. I had been running 10.4.6 for the longest time (mostly because I always though it was safer because sometimes when I had updated computers in the past they'd run into problems. Plus, I have software that I knew would run with OS 10.4.6 - plus the install discs).
Anyway, let me know what you guys think I should or could do to fix this problem. I'm on my computer all the time so I should respond quickly to your guys' (or girls') advice.
Thanks for any help you can give. Later

I looked into resetting the PMU (although I think I already tried that a week ago), I don't know if something specific is supposed to happen to let me know something was reset but everything functioned pretty much as normal.
I tried recalibrating the battery with minimal success, it went down to 31% then actually said 0% and died. I tried recalibrating twice and it doesn't go into sleep mode, it just dies. It'll go down to 0% and still not go into sleep mode. Now my battery reading says this(with the power cord unplugged):
Battery Information:
Battery Installed: Yes
First low level warning: No
Full Charge Capacity (mAh): 1315
Remaining Capacity (mAh): 1313
Amperage (mA): -778
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I took continual readings of the Battery in the System Profiler and pasted them into a Word document when the computer was at 0% capacity and was still on but wouldn't go into sleep mode (it eventually just died). I can post some of those on here if you want.
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One thing did disturb me though is that the battery might not be recording the number of cycles correctly. Even though I've gone through at least a few charges in the last couple of days, it still says "225" and it should be higher. You'll even notice that it said "224" in the Battery Information in my first post. I've gone through at least a couple of complete discharges, I would think.
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sarah

Your battery gauge needs to be recalibrated. The gauge "thinks" you have 20%, but the battery doesn't agree. You need to run the battery all the way down until the phone shuts off, then charge for 4 hours with the wall adapter. You may need to do this more than once if it is way off calibration.

MB Pro shuts off at around 85% battery power.

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Actually, it IS within the specification +for battery health+, which is what I stated above. Apple states, +"A properly maintained Apple notebook battery is designed to retain up to 80% of its original capacity at 300 full charge and discharge cycles."+ This is based on the reading for Full Charge Capacity in System Profiler. BGTD's full charge capacity is 5081 mAh, and the nominal new full charge capacity of a 15" MBP battery is 5500 mAh (rounded down, the calculated value is actually 5556 mAh). Even of the OP has a 17" MBP, the battery is still within health (though barely so - the denominator for a 17" MBP battery is 6300 mAh.
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Furthermore, you are also incorrect when you state, +"if your MBP is over 1 year old, Apple will NOT replace your battery."+ You can certainly state that Apple did not replace your battery free of charge, and I'm sorry for that! On the other hand, my health dropped suddenly to ~60% when my MBP was 16 months old. I +do not+ have AppleCare, and despite that, the Genius Bar replaced my battery for free. The page that I linked to (the top link) states, +"This program extends repair coverage on the battery for up to two years from the date of purchase of the computer for Intel Core Duo-based MacBook and MacBook Pro computers."+ I also pointed out that I am aware of Apple having replaced (for free) batteries of users with Core 2 Duo MBPs under the same program.
As I stated, the best bet is for the BGTD is to visit an Apple Store or call AppleCare and request a replacement battery, based on the information above. The answer may be "no," but I'd argue that it's worth a little effort to try and save US$130, given that there are known and Apple-acknowledged issues with some notebook batteries.

Re-occuring shut off when scrolling even after firmware upgr

Hello all,
I have a Muvo Tx FM and have had it since May. In June, it started shutting off when I used to scroll bar. I came to the forum and the suggestion was to reinstall the firmware. So I dl'ed it from this site and reinstalled it. The player worked fine and I was estatic.
Fast-forward to August and its doing it again.
Does anyone know why this happens?
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How long is the warranty on these players (typically)?
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Some people have linked it with happening when removing the player from the PC, without ensuring it's "safely removed".
Failing that, can you pinpoint any event that causes it to happen?
Warranty varies depending where you bought it. It's 3 months in the USA (I'm not sure if the MuVo is covered with a further 9 months parts only warranty, I know some of the Zen players are). In Europe the warranty is at least year.

14" iBook G4 shuts off when I open it up

I just started having this problem two days ago with my iBook. When I close it everything looks fine, the little light in the front is lit showing that it is still on but when I open up the computer, instead of waking up, it just shuts off and then won't turn on forever. It seems like I have to hit the power button just right for it to come back on. It does not shut off at any other time, only when I open up the computer. Other than this I have no problems. It does not appear to be the battery and it does not shut down at any other time. Why is it shutting off when I try to open it and why will it not turn on again? I hope this question makes sense!

nerone,
but when I open up the computer, instead of waking up, it just shuts off and then won't turn on forever. It seems like I have to hit the power button just right for it to come back on. It does not shut off at any other time, only when I open up the computer. Why is it shutting off when I try to open it and why will it not turn on again? I hope this question makes sense!
I tried to put it to sleep through the Apple menu and it also shuts down then.
OK that last step eliminated the cable, reed/cable and inverter problems.
So that makes it a PMU problem. The PMU is actually a tiny computer within the computer. It's official designation is PMU99.
http://developer.apple.com/documentation/Hardware/DeveloperNotes/Macintosh_CPUs-G4/12inchPowerBookG4/2_Architecture/chapter_3_section4.html
"Power Control IC
The power manager IC in the 12-inch PowerBook G4 is a Mitsubishi M16C/62F microprocessor, also called the PMU99. It operates with its own RAM and ROM. The functions of the PMU99 include:
*controlling the sleep and power on and off sequences
*real time clock
*controlling power to the other ICs
*monitoring the battery charge level
*controlling battery charging
*supporting the interface to the built-in keyboard
The 12-inch PowerBook G4 can operate from a 15-volt power outlet on an airliner, however for safety reasons the computer will not allow battery charging. In order for the computer to detect the connection to airline power, the airline power cable should have a sense resistor of 24.3K ohms connected between the power plug's shell and ground.
The PMU99 also provides the hardware interface to the keyboard. Software in the PMU99 IC scans the keyboard, then sends the data to the system in packets like those from the ADB. To the system, the keyboard behaves as if they were ADB devices"
Try resetting it:
http://docs.info.apple.com/article.html?artnum=14449
If that doesn't work try what I call a deep PMU reset.
Pull all power including the battery, push the power button to remove residual charge in soft start capacitors.
Then walk away from it for at least 10 hours.
Try it again in the morning. Stuff like this has happened and people have left things alone and come back days, weeks and months later and their Macs are fine.
Richard

My ipod keeps shutting off when go to the music menu

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I had the same problem (now I have a different problem). This happens when you delete podcasts from the nano but do not delete the podcast directory from the ipod itself.
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Hello zachary jean paradis,
Thank you for using Apple Support Communities.
For more information, take a look at:
iPhone and iPod touch: Charging the battery
http://support.apple.com/kb/HT1476
Have a nice day,
Mario

Fan shutting off when going to battery.

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