MacBook Pro :: Unable To Switch ON At All, Pressing The Power Doesn't Do Anything?
Apr 18, 2012
I cannot get my macbook pro to switch on.when it is not plugged as I press the power button nothing happens, when the computer is power plugged, it gives me the white blackground with the apple centered and the loading button below but it keeps loading forever left it as for 4 hours and still nothing. I have try to reset the SMC but didn't change much, now instead of the apple logo I get a circle crossed My macbook is 1 year and 4months?
Info:
MacBook Pro
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May 18, 2010
It doesn't power on at all not one sign of life. Nothing went "pop" and I have changed the power cable too so its not that. Is there anything I can do or has it bit the dust?
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Dec 13, 2007
I had a weird issue this morning. I started computer and it did not make the chime sound, it didn't do anything at all. I disconnected it from the extension cord as well as all the peripherals attached to it and nothing. I tried a different start up disk and again there wasn't a sound. Then i unplugged it and reset the SMU on the mother board and air sprayed the computer to remove all dust. Then plugged it back and it came back on.
Information:
Power Mac G5 Dual 1.8
Mac OS X (10.4.11)
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Mar 21, 2009
i just got my new imac 2 days ago. I was wondering is there another to turn on the power without pressing the power from button? (cuz i remember u can power on from the keyboard b4)
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Jun 6, 2014
1.turn into black screen after running for about 15 mins, but the system is still running because the keyboard is still functional. After reboot, i record the log as below, it shows that it is a GPU Panic.
2. display would not turn on after pressing the power button but can still hear the apple start up chime and the system keep running with the screen off.
3. after erased the hard drive and re-installed Mavericks. Under a new installed system, it can run normally for about 1 day, after that especially after a shut down or restart, the problems above came back.
I am currently working in Thailand but I have no plan to go back to the US in a short period of time. I brought the laptop to the local apple service, they said it is certainly the logic board or GPU failure and the parts need to be replaced. The cost of the replacement is around half of the price that I paid for this laptop.
Anonymous UUID: 398E619F-8811-6838-BEFC-13DF20E24CAE Tue May 27 10:02:04 2014panic(cpu 4 caller 0xffffff7fa970bf7c): "GPU Panic: [<None>] 3 0 a0 d9 9 8 0 3 : NVRM[0/1:0:0]: Read Error 0x00000100: CFG 0xffffffff 0xffffffff 0xffffffff, BAR0 0x102c00000 0xffffff8138e01000 0x0e7150a2, D0, P3/4
[Code]....
Info:
MacBook Pro with Retina display, OS X Mavericks (10.9.3)
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Apr 8, 2009
I have a macbook pro, bought it May last year(2008). I don't know much about computers, but I loved the transition between pc and mac, had no trouble with it, loved to work with it, until now. I had noticed it became slower like 3 weeks ago, and a week ago, it started to freeze up on me followed by a message that said please restart your computer by pressing the power button and the screen becomes dark. When I try to restart it again, it takes a while because it shuts down again and again, until the 10th time it works. The store told me to clean intall, which I did yesterday, it seemed to have worked, it was faster for sure, but today it happened again, 3 times! Has this happened to anyone? Does somebody know what to do?
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Aug 24, 2014
I was using my macbook pro and the screen went black and when I tried to turn the computer back on with the power button it keeps beeping at me. Is it gone?
Info:
macbook pro, Mac OS X (10.6.2)
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Jan 14, 2011
I was trying to boot up from my Snow Leopard disc last night to run Disk Utility (to repair my hard drive). I pressed C while starting up but it took me right to my login screen. I did this several times, no luck. I'm using a 15" MBP btw.
I also tried the same thing on my sister's MacBook (using her own install disc) -- same thing, straight to login screen.
I know pressing C used to work before because the MacBook used to belong to me and I did an erase & install before passing it down to my sister.
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Feb 18, 2009
Was trying to install Windows XP through BootCamp. The installation did not go through, and I quit it. After I tried to restart the computer however, it kept going to a black screen with a blinking _ on top.
I restarted, pressing the "option" key and the only partition that shows up there is one for Windows. I can't see one labeled "Mac" or something like it anywhere. I tried using the Repair Disk Utility but it won't actually give me the option to repair ir.
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Sep 4, 2010
I've read that Early 2008 model MacBook Pros can boot into the Hardware test while pressing the D key on the keyboard without the disc in the drive (or was it the F2 key). I've also read that lots of people succeed doing it. Why does my MBP not do that?
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Feb 15, 2012
My G4 has suddenly stopped powering up. The power button just keeps flashing slowly, but the monitor shows nothing, any suggestions?
Info:
PowerMac
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Sep 4, 2014
I have macbook Pro running OS X 10.9.4 purchased in 2012 times. For past few days, I've noticed this problem- I have to long press the power button to switch on the device. Normally, the devices switches on with a simple press on the power button. But for the recent days, when I do a simple press of the power button, I think it switches on and goes off instantly. I had to long press (for around 5-8 seconds) to switch it on. After the device is on, there is no problem at all...
Info:
MacBook Pro, OS X Mavericks (10.9.4)
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Jul 2, 2012
Is there a way to switch off the Keyboard Backlighting on a Macbook pro only when it is on battery power?I have been through the energy saver settings and it appears that the settings apply to both power and battery.
Info:
MacBook Pro, Mac OS X (10.7.4), 13 inch 2.4Ghz Core i5 4 GB RM
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Jun 4, 2014
You move the mouse over to the scroll bar, favorites bar, minimize, etc... and the mouse is stuck in the wrong icon, be it the text pointer, hand pointer, window resize pointer... when it should be the arrow. It is such an obvious bug and I can't believe Apple hasn't noticed this.
15" Retina Late 2013. OSX Maverics 10.9.3
Info:
MacBook Pro with Retina display, OS X Mavericks (10.9.3)
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Oct 30, 2009
i have my power saver set up so that the display goes to sleep after 30 minutes do i get it to wake back up without pressing the power button in the back?
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Sep 3, 2014
I have installed windows 7 on my mac. Now, I am not able to switch to Mac OS X. I tried to restart my mac book and holing ALT key and I tried to restart in OS X by- right Click on boot camp, I Can not find Mac OS XI find it strange when I open boot Camp Control Panel I can not see Mac OS X in "select the system you want to use to start up your computer".
When I was installing Windows 7- I deleted some partition Disk, is this the causing an issue??
If this is causing an issue is there an alternative or someway where I can log into my MAC OS X back.
Info:
MacBook Pro, iOS 7.1.2
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May 5, 2010
My new MBP 2010 won't use Intel HD graphics, it seems stuck on the 330M graphics card with no programs running at all. I also checked the power saver option for auto-switching graphics.. What to do?
It worked before I calibrated the battery, but today when using the MBP for the first time since calibrating it won't switch.
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Mar 17, 2012
I recently developed a problem where my Blue and White G3 Power Mac will not start in OSX. It starts but then displays a screen that tells in four languages to restart my machine. When I restart I just get the same message.This all started when I switched from booting in OS 9 to OSX. Both had worked in the past. Now I cannot return to OS 9. Is there a short cut of keys to press to bring up the start up disk control panel during start up to try switching back to OS 9?
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Apr 30, 2012
tried 2 boot up my G4, nothing, replaced internal battery, no status change, advice? would still like to be able to use it if possible and affordable
Info:
G4 dual os boot, Mac OS X (10.4.11), will also boot up in OS 9.2.2 when
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Jul 21, 2009
I have a G5 Duo 2.7Ghz with 4Gb of ram (supplied with 2Gb, 2Gb added later).
Sometimes when it goes to sleep it can't be activated again and I have to trip the power switch and restart. When it goes to sleep the machine begins to run flat out as if it was about to take off!
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Mar 3, 2008
Hook up a $3K machine to a $1.5K display and have to hard power down your $3K machine to get the picture back.When I boot everything is fine. If I change input to TV or power off the display, when I power back up or switch back to hdmi input screen displays error, can't read signal check output device. I have read on this forum about a issue similar with ATV but not with MacPro. In my google searches I read some issues with Vista, but no resolution... thought to be a ATI driver problem. Does anyone know of a tweak to fix the ATI 2600 XT to remember the tv signal after you change inputs or power off the display?
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May 1, 2012
my i5,13", MacBook doesn't power on at all!. The battery indicator doesn't work too !
Info:
MacBook Pro, Mac OS X (10.7.3)
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Oct 31, 2010
I have a 17" iMac G4 that I was rung Tiger with, then I installed Leopard 10.5. I use this as a second computer. All is fine except that my Epson scanner does not work with 10.5. I've tried the latest drivers. I'd like to reinstall Tiger. I used the 10.5 disc to reformat the drive and start from square one. When I boot from my original Tiger disc it starts opening it's windows, but when I get to the point where I can choose Install or use Disk Utility to reformat from the Tiger disc, all windows freeze and I need to hard reboot from the power switch. Am I correct to assume that 10.5 won't let 10.4 to reinstall. Is this correct?
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Jun 13, 2012
I got a 27 inch iMac 2011 and when I go to the power saver settings I can't find the automatic graphic switch thing. I have os x lion.
Info:
iMac, Mac OS X (10.7.4)
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Dec 14, 2010
If I select from the menu bar another available wireless network (one without a password for example) and then switch back to my own wi-fi network, am I still safe?
Did the fact that I connected to another network present any risks?
I did not send any private info during that time, any risks of getting hacked?
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Apr 28, 2012
i opened a page which should have allowed me to download a mock TOCFL exam (that's the standardized Chinese exam in Taiwan), but instead i just got a page of gibberish and since then skype won't let me close it, also while closing tabs there's no longer an x to click, instead i have to right click and then close it that way. anyone know what's going on here? also since safari won't switch off, i have no way of trying to deinstall and then reinstall it...
Info:
MacBookPro
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Oct 10, 2010
I recently bought a new charger called the 60W MagSafe Power Adapter, for some reason for the first time when I plug it into my Leopard Macbook, it works. But when I take it out and plug it back in, it doesn't seem to charge. I would have to remove my battery and place it in again for the charger to charge my macbook. I don't think the charger is the problem because it charges on my macbook Tiger fine.
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Mar 2, 2008
I've had my macbook for about 15 months. i noticed a while ago it had trouble turning off completely when running only on the battery. then a few weeks ago it shut itself off and wouldn't start up again. the power cord indicator was orange, but nothing worked. ordered a new battery, that didn't help. tried a different power cord - nada. i took it in to an apple repair shop and they said something about the internal power connector (i'm not a techy) and took 2 weeks to repair. i've had it back 3 weeks now and the same thing has happened. only this time there is no indicator light on any of the power adapters. and my partially charged batteries do not work on their own either.
any ideas? i don't want to keep fixing the same thing and every few weeks it keeps breaking again. i mean, what's the point in having the computer then, right??
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Jun 1, 2014
A few hours ago i tried to turn it on but it only showed the apple screen for a few seconds and turn off automatically.. i can't turn it back on anymore..
It doesn't response to the power button nothing happen after pressing the button. I am sure it is charged... what should i do..?
Info:
MacBook Pro (Retina, Mid 2012)
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Jun 22, 2012
My new MBP15 doesn't start when I push the power button.Nothing happen ...
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