Head scratcher--new HD, macbook won't boot on battery power

I needed a larger hard drive because the orig 60gb was getting full. replaced with a seagate 250gb. now, macbook will no longer boot on battery power. works fine if plugged in. if unplugged while running, macbook goes dead. battery is fully charged.
a puzzlement. any ideas, brain trust?
...joe

What is the model number of the HDD you bought?
Next, make sure you have the battery in all the way and that the HDD is securely installed. Then try a PRAM and SMC reset by shutting down, unplugging the magsafe, taking out the battery, and holding down the power button for at least five seconds. Next, put everything back and hold down commmand-option-p-r at startup until it chimes twice then let go.
If none of that works put in the old HDD and see what happens.

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Macbook won't start on battery power

I have a six-week old Macbook. Was working just fine until today.
Now it will not boot up on battery power. Works fine when Magsafe is connected and the battery is showing that it's fully charged (100%). When disconnected from AC power it powers off immediately and won't boot up.
Have tried a SMC reset. Didn't help. Any guesses what the problem might be?
Thanks in advance.

Currently, there are two very similar problems with the MacBook batteries, I've found.
The first is that the computer IS recognizing that the battery is there, and the MacBook shuts down almost as soon as AC power is removed. The usual diagnosis here is that you have a bad battery.
The second variant is that the computer is NOT recognizing that the battery is there (the X through the battery literally means the computer thinks you have no battery connected), and the omputer behaves he same way as the one in the first scenario. This usualy means that you have another type of bad battery, or the battery does not have a full connection.
Either way, I reccomend that you follow these steps:
1. test the battery by pushing the small button next to the set of LEDs on the battery pack, and make sure the LEDs light up. If they do not, the battery is most likely deffective.
2. Make sure there is no foreign object or corrosion causing a bad connection with the battery. You should be ably to do this by removing the battery and looking at the metal contacts on both the battery and computer.
3. Make sure your software and firmware are updated. To do this, click the apple pull-down menu in the top left corner of the sceen, and select "About this mac". Then, click the Software Update button.
4. Reset the PRAM, PMU, SMC, and make sure the battery is properly installed. Find instructions on Apple's website.
If all else fails (or if the battery proves to b defective in step 1), call Apple or visit an Apple store to get tested, and replacements.
I hope this helped. Nobody bothered to answer my post, and I had to find this information out from a buddy of mine.

T410s won't boot on battery power

This is a relatively new problem (i.e. it didn't happen when I first got the laptop). If the computer is fully off, and I unplug it, I press the power button and nothing happens. When I plug it in, I can turn it on no problem. Sleep mode on/off is unaffected by this.
I sent it in for an RMA a while back and they said the battery didn't pass tests. They sent me a new one but I'm still having problems. Any ideas? Is it a setting somewhere I'm missing?

hey kayson,
i would recommend that you get in contact with tech support via the link below
http://www.lenovo.com/contact/us/en/
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Macbook won't boot properly.

Macbook won't boot. When turned on, it starts clicking; after a while, I get a gray screen with a blinking folder in the middle that has a question mark on it. After a minute or two, it shuts off.

That folder with the question mark icon means that the MacBook can't find the boot directory. That can either mean it can't find the hard drive or the Operating System data on the hard drive is somehow corrupted.
Put your install DVD into the optical drive (CD/DVD drive) and reboot. Be sure to either use the disc that came with your Mac, or, if you installed a later Mac OS X version from disc, use the newer disc. As soon as you hear the boot chime, hold down the "c" key on your keyboard (or the Option Key until the Install Disk shows up) until the apple shows up. That will force your MacBook to boot from the install DVD in the optical drive.
Or if you are running 10.7 Lion, boot from the recovery partition (Command +R on boot) and use Disk Utility to repair your OS 10.7 partition.
When it does start up, you'll see a panel asking you to choose your language. Choose your language and press the Return key on your keyboard once. It will then present you with an Installation window. Completely ignore this window and click on Utilities in the top menu and scroll down to Disk Utility and click it. When it comes up is your Hard Drive in the list on the left?
If it is, then click on the Mac OS partition of your hard drive in the left hand list. Then select the First Aid Tab and run Repair Disk. The Repair Disk button won't be available until you've clicked on the Mac OS partition on your hard drive. If that repairs any problems run it again until the green OK appears and then run Repair Permissions. After repairing use Startup Disk from the same menu to choose your hard drive for restarting from your hard drive.
If your hard drive isn’t recognized in Disk Utility then your hard drive is probably dead.

Mdworker deny mach-lookup. But macbook won't boot in safe mode

I have a common problem, I get theese messages every now and then in console:
2/8/13 6:38:24.000 PM kernel[0]: Sandbox: sandboxd(793) deny mach-lookup com.apple.coresymbolicationd
2/8/13 6:38:24.534 PM sandboxd[793]: ([791]) mdworker(791) deny mach-lookup com.apple.ls.boxd
2/8/13 6:38:24.556 PM sandboxd[793]: ([792]) mdworker(792) deny mach-lookup com.apple.ls.boxd
There is a solution, which should resolve it, like here https://discussions.apple.com/message/19750564?searchText=mach-lookup%20com.appl e.ls.boxd#19750564
I have just boot in safe mode. (holding Shift during boot)
but my macbook won't boot in Safe mode. It just freeses with a grey screen for hours and wont boot.
I tried to leave it overnight to boot, but it didn't.
Please help me make my macbook to boot in SafeMode.
my configuration is the following:
MacBookPro8,1
OSX 10.8.2

There is a bug in fsck_hfs that is affecting a bunch of people. Basically as your comptuer starts in safe mode, it runs a file system check (fsck) against your hard drive, it gets to a certain point and... just sits there. No one knows why outside of apple.
Lots of info here, including a way to get around it by tricking the system to think fsck had been run, though the fsck will not be complete so it is not a good solution.
https://discussions.apple.com/message/21389737?ac_cid=tw123456#21389737

MacBook won't boot when iPod is connected

I have the same problem as described here :
http://discussions.apple.com/message.jspa?messageID=4112865
My MacBook won't boot if my iPod 5G is connected to the USB port.
If I unplug it, it will boot normally.
Does anyone know what could cause that ?

<When iPod is plugged in at startup, the MacBook does not startup; unplugging iPod lets it startup.
yes, it seems that the kernel is not loading
<After resetting the iPod and BEFORE synching it, there is no problem. Any type of synching seems <to make this problem recur.
only syncing music make the problem occur.
the other syncing works ok
<Even if iPod is connected directly to Mac and it is the only USB device connected, the problem still <occurs.
yes
<The iPod and MacBook work fine if iPod is connected after startup.
Yes
<If the iPod is set to NOT mount to the desktop, the problem with startup does not occur.
Yes, but there are some problems in the boot/halt process.
something like "killing all" fails and unmounting /home fails (45) blabla...
and the stopping process takes very very long, about 2 minutes.
thx robert

My Macbook won't boot up because there isn't enough free space for my start up disk. It's now stuck on a blue screen. How am I meant to delete files to free up space if I can't access the computer?

My Macbook won't boot up because there sin't enough free space to run the startup disk. My Macbook now won't go past the blue screen so exactly how am I meant to be able to delete files if I can't access the computer?

Do you have a bootable backup?
What operating system are you running? If OS X 10.6 or lower, boot from your original OS X DVD or a retail OS X DVD and then delete files as needed. Your goal should be to get to 10% of your disk capacity free.
If you have OS X 10.7 Lion or 10.8 Mountain Lion, you don't have many choices in recovery mode (boot holding the command and r keys down).
If you have a FireWire or Thunderbolt connection, you can try target disk mode with another mac.
If none of those work, perhaps your local Apple store can help with a bootable external drive.

Macbook won't boot up - grey screen only

Hi,
I have a core duo MacBook from summer 2007.
All of a sudden the MacBook won't boot up. The battery is fully charged and AC adapter plugged in (same symptoms if not plugged in). The following occurs upon pressing the power button:
1) Start-up chime sounds
2) Can hear hard drive and fans start up
3) Screen turns grey
4) Nothing happens (screen still grey)
Thoughts? I tried resetting PRAM and PMU with no changes.

I have the same problem, just the grey screen and tried
- resetting PRAM (second chime, so this should be OK)
- Safe Mode (just the same)
and pressing Option (or C) to choose the Mac OS X Install Disc gives me the wonderful cursor which can be moved by moving the mouse. No harddisk and even no Install DVD are displayed on the screen.
Also The Apple Hardware Test (by pressing D) doesn't get further than the, now familiar, grey screen.
I pressed the keys with different keyboards, with the original white keyboard and with the aluminium keyboard.
As I've tried everything, I think there's something seriously wrong. Does anybody have some last tips that I can try?

Macbook won't boot up anymore after trying to reformat

So my White Macbook won't boot up anymore after trying to reformat. While trying to install a fresh copy of Snow Leopard, the Macbook just froze and I had to reset. Now, while trying to boot it up, it hangs at a white screen with a folder with a question mark.
My install disk is still in there, so when I try to boot up while holding C, nothing happens. It either goes to the folder with a question mark or the screen stays white. So after that I tried holding option to go to the drives nothing happens. I just see a white screen and a cursor.
I tried resetting PRAM and tried booting in safe mode and everything but to no avail. Everything results in just a white screen or just a folder with a question mark.
Can I do anything before I have to bring it to the Apple Store? The optical drive should work because before I reformatted it, I could see that the disk was in the drive because the icon was in the upper right.

it hangs at a white screen with a folder with a question mark
Startup your Mac while holding down the Option key. That should prompt the Startup Manager window where you can select the startup disk.
A flashing question mark appears when you start your Mac

MacBook won't boot up power light on

My MacBook won't boot up without the system disk, has Lion with 4 Gb Ram all updates, has a DVD stuck n the drive any suggestions

Have you tried booting into Lion recovery mode? Boot holding the command and R keys down.

MacBook Won't Boot just on AC.

My recent issues are power related.
Won't boot. Reason: Dead battery at 0 mAh.
Won't boot with dead battery even on charge...
When I take out the battery, it won't boot anyways.
I got lucky since I plugged it in when I left it off charge for the night, and went away about 10 minutes, and it boots. Now that won't boot it up... I take out the battery and tried to boot it since I know it's dead. Nothing.
I have 2 MagSafe adapters (One is OEM and is spliced (Charges and fine), and another is not OEM (stupid eBay lied) ) and when I remove the battery to boot just on AC power, nothing. Tried both chargers, both plugs, 2 tips and extension cable, Nothing.
I noticed the light is a dim green when I plug in my OEM charger to my MacBook.
So how can I get it to boot on just AC power? Noone I know has any type of Mac...

If your MacBook won't boot on just the AC adapter, and you are certain the AC adapter is not damaged, then there is a hardware issue with your computer that needs to be repaired.
~Lyssa

Oh, shoot! My MacBook won't boot! Silver screen is all I see!

Oh, shoot! My MacBook won't boot! Silver screen is all I see

Try a PRAM reset:
Shut down your Mac.
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 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.
Any unusual noises coming from it?

Macbook won't boot, black screen, no chime

My macbook won't boot at all. It is a white non unibody one. When you press the power button the screen breifly blinks and a clicking sound is heard but no other sounds or chime or anything. I'm suspecting the worst but thought i'd submit it on here first. Any help is appreciated. Thanks.

Thanks for the reply but it isn't a hard drive issue. I have tested the hard drive in an external enclosure and it's working fine. I even put in another hard drive i have and it wont boot that either. I'm thinking its a logic board issue. Any one know best place to get logic board replacement near london for cheap

MacBook won't start on battery/shuts down when power adapter is removed

Help & advice needed please.
My MacBook won't start without external power, it gives a whir then a click then nothing. Once started up, if I remove the external power it just shuts off.
The battery shows at 98% & charging. Coconut Battery shows the following:
Current battery charge 4126 (& increasing as I type)
Maximum battery charge 4200
Current battery capacity 4200
Original battery capacity 5200
80%
Battery loadcycles 111
Age of your Mac 6 months
Charger connected yes
Battery is charging yes
Does anyone have a clue why the Mac won't power itself on the battery when everything else seems like it works?
Cheers!

As of today, my MacBook and I have been together for 40 days. Yesterday, while I was happily surfing (on battery), it powered down with no warning. Okay, these things happen. I plugged it in, restarted, and all seemed to be fine. Battery was about 70%. I did other things on my other machines and when it was about 90%, unplugged it and everything was good. This morning after using it unplugged for 1.5 hours it did the same thing, but decided to only work with the power adapter, not on battery alone. When trying to boot without AC, it would try to spin the CD and then fall back into off. When on AC, if I pulled the adapter, it would last two seconds and go blank. I made an appt. with the Apple store (Fashion Show Mall, Las Vegas) for 3:20pm. I got there right at 3:20pm and the monitors showed I was 5th in line. Store was fairly packed, at least one patron at every display item. Monitors also said the next MacGenius appt. was "approx. 8:30pm." Glad I made an appt! I was served about 15 min. later, during which time the monitors had changed to "No more MacGenius appts. available today, please try tomorrow." However, one guy came by without an appt. and was told he would be put on standby and to come back in 30 min.
Once I explained my issue with my MacBook battery, my Genius tried one of his batteries. "I just want to make sure it's your battery and not your motherboard." My machine worked fine, so he said "No problem, I'll have you out of here in 10 minutes." He got me a brand new battery, tested it, and put my old one in a box on the rear counter with four others. He pulled the serial number from the "About this Mac" area, didn't need my receipt for purchase date or anything. I had even printed this page: http://www.apple.com/support/macbook_macbookpro/batteryupdate/ to use as ammunition, but didn't need it. He did approve highly of my dashboard widget "iStat pro", available here: http://islayer.com/.
So the battery issue is a very common problem, and one that Apple has tried to deal with as painlessly as possible for the consumer. My Genius did ask if the battery showed an "X" in the icon bar, and I said no. Just wouldn't run on battery. On the way out of the store, one of the 3 MacBooks, in fact the one closest to the door, had an "X" on the battery icon. When I unplugged the power, it shut down immediately! The moral of the story is to contact Apple immediately with problems and give them a chance to fix them. Hope this helps others.

HP Compaq 6715s won't boot on battery after BIOS update

Hello!
I updated the bios of my HP Compaq 6715s with the latest version F.0E I downloaded from HP support site.
Everything went fine, but now it won't boot on battery alone anymore. It just flashes amber light on power indicator and shuts down. If the charger is connected and later disconnected when it starts loading Windows, everything is fine.
Please help, what should I do?

Hi:
You can try performing a hard reset of the notebook in hopes that it will solve the problem.
Here is the link to the instructions for this procedure.
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&objectID=c01684768&prodT...
If that doesn't work, I'm afraid something went kerflooey with your BIOS udpate.
Paul

Head scratcher--new HD, macbook won't boot on battery power

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