Power Mac G5 :: Won't Boot Up Blinking Power Button After Adding Ram
Dec 6, 2007
I added 2 sticks of 512 to my power mac g5 1.6. I had ahard time getting the computer to see the new ram, but finally was able to kinda get it working after zapping the pram. However my computer only saw these 2 sticks as 256, odd. So i attempted to troubleshoot the problem. I tried just installing the new ram, but the computer wouldnt boot. I tried a few different combos with the other 4 sticks i had, but nothing. I put the old memory back in, and still nothing. The power led looks to blink once every five seconds or so. I tried pressing the pmu reset button, but still the same out come. I also tried taking out the battery, nothing.
Information:
1.6 g5 single proc
Mac OS X (10.5.1)
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Jul 21, 2009
I have a G5 dual 1.8 power PC...Bought some ram put it in & booted up. Then a red light came on the logic board behind the power button. The machine wouldn't turn on....I called apple care & we rearranged the ram, now the red light is gone but my system still won't boot up. The white power light blinks every few seconds... the apple store told me sorry can't help because your machine is vintage. Even if my logic board is fried is there a place to buy one on the cheap?
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Jan 8, 2010
I have Mac Mini 1.5 solo that work very well for me and my son untill we updated the EFI 1.1 a week ago and never booted back up. I call apple and was told bad hardware maybe caused by update they send me to a Apple store to get it checked but there they said it was the power button not the flash. I had it plug in to the wall the hole time at home but when i took it there it booted as soon as he plug it in so he shut down and it did not boot, he unplug it for a few seconds plug it back no good with button but did boot a few second by itself. I replaced the button my self for a few hunder less then what Apple Was asking for (160.00 less). Still not luck. I feel i got screwed by Apple on this. Has anyone seen this and how it fix.
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Sep 5, 2014
I'm running a late-2008 Macbook Pro with OSX Mavericks. I installed a new battery, and the computer will not recognize it. I've heard that I should reset my PRAM and NVRAM. I have already reset my PRAM, but my problem continues. I have removed the battery/pressed the power button for 5 seconds, held the power button down during boot,I cannot access the open firmware.
Info:
MacBook Pro, OS X Mavericks (10.9.4)
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Feb 10, 2008
I have a iBook G4 laptop and there seems to be something very wrong with it. It started a few days ago just randomly. I was reading something on the internet and the screen went black on me, but the power was still on (I clicked CAPS LOCK to see if there was power). I then proceeded to push the power button and the power went off. When I pressed the power button again to turn it on, it made that internal noise it always makes and then the fan came on, and wouldn't turn off. There was no picture on the screen at all. Completely dead. But there was power, because when I clicked on the CAPS LOCK, the light came on). I tried pressing on the power button for at least 15 seconds and even went as long as a minute, and the power didn't go off.
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Jun 17, 2012
My mac book pro (current gen) shuts off after closing the screen and won't start up unless I hold the power button for about 10 secs. Â
Info:
MacBook Pro, Mac OS X (10.7.4)
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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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Oct 7, 2006
I'm using a B&W Power Mac G3 with 512MB RAM and OS X Tiger for a SMB file server (with 5 users) and a USB printer server. Everything is working good, but I have a problem.
It doesn't have a monitor or keyboard/mouse attached normally (I can configure it via VNC). The problem is that I would like to be able to turn the machine off when it's not needed (like at night sometimes, days when I won't be home, etc.). I would like to just hit the power button and have it turn off, however it puts it to sleep instead.
Normally, sleep would be fine, except on the B&W, the fans still run, just the HDs shut off, so it's still noisy as heck.
Is there a way to make the power button shut it off? If not, any other easy methods of shutting it off you can think of? Via VNC won't cut it, as my dad needs to be able to turn it on (not a problem) or off as well.
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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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Mar 27, 2012
I still use this old PowerMac G4 (hopefully Apple builds a new MacPro soon!) and when not using it, it is in sleep mode.Unfortunately my cats like to touch the keyboard, thus waking up my Mac.Is it possible to wake the mac only by pressing the power button?
Info:
Dual 1 GHz PowerPC G4, Mac OS X (10.5.8),
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Aug 26, 2014
It started a few days ago.... suddenly, the Computer switches off and the Power LED blinks continues very fast.But at irregular times. It seem to me, when I am not working on it. (I have also connected a PC to the same monitor and keep switching the monitor).
Yesterday i was working all evening, and it did not switch off. This morning while start up it turned off.I checked the memory in My Mac and all 16 GB show up. after I push the power switch for a while and turn it off, I can boot up again (except this morning, where I had to restart after the crash)  Â
Info:
Mac Pro, OS X Mountain Lion (10.8.5), Black Magic Extreme HD, GB RAM, 4 TB HDD
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Apr 29, 2009
I have just shipped my Mac Mini to its new home and I've had reports that the panic error is appearing on boot up: "You need to restart your computer. Hold down the power button for several seconds or press the Restart Button." This screen appears on the blue window just after the grey apple screen has disappeared and does not get as far as the desktop at the same point each time. We have tried to reinstall mac OS from the original install disk but holding the "C" Key or the "Option" Key down on restart doesn't boot from disc. Is there a way you can view the Kernel Panic log before you boot into Mac OS so we can try and pin point the source of this problem. I'm wondering if this could have been the result of the shipping that has caused some hardware to come loose.
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Nov 13, 2007
I have a PowerMac G5 dual 2.3 ghz w/ 1gb ram and a G4 Quicksilver with 2 internal ATA drives
Internal drive specs : 2 IBM 180GB IDE/ATA-5 Deskstar 8MB 180GXP 7200 rpm
There is also an ATA card that was installed to be able to run these drives in the G4 - don't have specs available right now. Is it physically possible to transfer these drives to the G5? Will I have to transfer the card also? Is it likely to cause any problems -compatibility , speed, etc? The drives are currently full of media - how risky is it to move them from one system to another?
Information:
PB G4, G4, G5
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Dec 13, 2007
I'm upping the RAM in two PowerMac G5's. One is an early 2005 DUAL 2G. The other is the later 2005 DUAL 2.3. They currently have the stock RAM that came with them: 512MB for the Dual 2.0G; and 1GB for the Dual 2.3. I'd like to get them both up to between 2-4GB's each. I'm willing to go with third party RAM if it's at all compatible, ya' know the Kingston kinda stuff. That's all I can afford to bring them up to par with RAM.
Is there any standard compatibility issues when running RAM outside of OEM stuff? Also, does the RAM need to be paired? or even numbered? For example, if I had 2GB+512MB of RAM in one machine would this work? Do they have to be even in slot usage? Also, if third party compatible, would any matching spec RAM work or is there something "APPLE" specific about RAM? Example: G5-dual 2.3 requires 533MHz DDR2 SDRAM (PC2-4200).... would any matching spec RAM work?
Information:
PowerMac G5
Mac OS X (10.4.11)
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Dec 21, 2007
I just got my dual 2ghz G5 that I bought off ebay. I love it. Anyway, it has a 64mb Radeon 9600 Pro with the two monitor ports. I plugged my 22" Samsung into the DVI port. I want to buy another identical monitor for the other port, but it looks different. I found a graphic that shows the card's ports: [URL]. The top one in the graphic is where I put the connection. The bottom one is different. Is there an adapter or something? Or since I'm using two non-Apple monitors, should I just get a new card? BTW, I just bought and installed Leopard.
Information:
Macs - multiple
Mac OS X (10.4.10)
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Nov 27, 2009
I just bought the 1.5 TB WD My Book. I was wondering how to use the power button. Also what is the icon for WD SmartWare for?
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Dec 4, 2007
I want to add GPS data to my digital photographs. I was thinking of using the Sony GPS-CS1 with HoudahGeo. However, I've read that there seems to be a bug which means PPC machines can't recognize the Sony device, whereas Intel Macs can. Does anyone know if this bug has been fixed. Or can they recommend an alternative GPS logger which is available in the UK.
Information:
Daul G5 2 Ghz
Mac OS X (10.4.10)
2 gigs memory, 250 gb hd
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May 17, 2012
old G5 (ver. 7,3) running 10.5.8 OS and want to add airport extreme card. purchased A1026 card, installed and attached attenae cable and external ant, but the profiler shows "no info" under aiport. am i missing something obvious?
Info:
Power Mac G5, 1.5 Gb Ram, Dual 1.8 GHz, superdrive
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Mar 31, 2008
My Macbook Was On And Working And I Tried To Hit The Power Button To Turn The Macbook Off And It Would Not Work....so I Shut It Down Using Computer Shut Down Under The Apple ....now It Will Not Turn Back On......it Has To Be The Power Button Itself....is There Any Where I Could Buy A Replacement Power Button? And Is There Any Other Way To Get It To Turn On Without Using The Power Button?
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Mar 15, 2012
After leaving machine on all night as I usuaaly do in the middle of a project I came in this morning to find power button blinking no -stop. No images on displays.Have reseated RAM (original 2G from Apple and subsequent modules (4x2) from OWC) twice and no change. No peripherals connected and no change.
Info:Mac OS X (10.6.8), Mac Pro 3.0/8-Core, 18G RAM, 2-1Tb
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Apr 14, 2012
I turn off Imac, using apple menu. Sometimes the power button will work to turn it on, other times it won't. Been to 2 authorized dealers, they can't find problem. Sometimes jiggling or shaking computer will allow me to start using power button. Sometimes I open up case, plug and unplug everything, and then power button will work. Never know when it will work or not. Power button has had continuity check. It checks fine. Power plug is fine, outlet is fine.
Info:
iMac, Mac OS X (10.6.5), Partition hard drive
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May 28, 2012
My mac mini will not shutdown only from the power button?
Info:
Mac mini (Mid 2011), Mac OS X (10.7.4)
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Jun 11, 2012
I have a white 2008 model MacBook. Due to some unfortunate tampering with the circuits under the right command key on the built in keyboard, a lot of the keys and the power button are now effectively dead. I'be ordered a replacement top case, but was wondering if I could, in the meanwhile, somehow turn the laptop on. I'd prefer to do this without opening it up, though I could if that's the only way. Â
I read in another thread, can't find the link now, that disconnecting the battery, connecting mains, then connecting the battery would turn it on, but that doesn't seem to work for me.
Info:
MacBook (13-inch Early 2008), Mac OS X (10.7.4)
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Jun 29, 2014
my power button is constantly pressed. While I was using my computer, the screen got black automatically after a few seconds.After I pressed ESC in order to get back to my desktop, after another few seconds, the window asking if I want to shut down / log out / reboot appeared...When I'm trying to boot my Macbook, after a few seconds, it automatically shut down, without warning, as if I was pressing power button for a few seconds to force the shutdown.I can boot if I remain a keyboard's touch pressed during all the booting process, like Maj, or Alt, but as you could imagine, it's not really easy to use a computer with a keyboard's touch constantly pressed....Â
By the way, I won't go to the Genius bar for a few reasons, first, this Mac is 5 years old, so I'd prefer buy a new laptop instead of paying a few hundred bucks in order to change pieces of this old Macbook, secondly, I don't have an Apple Store near my location.
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Oct 9, 2007
I'm one of the $200 suckers who bought an iPhone. For my $100 "rebate" I bought the new USB AppleKeyboard. I'm typing on it now. But when I first plugged it into the USB port, I got an error message like this: "The USB port is drawing too much power and it will be disabled." This is the same port the computer's original keyboard was plugged into and it worked fine. Now it's dead. The port is one of two USB ports on the back of my (original) Cinema Display. It's still dead. The AppleKeyboard is plugged into the second USB port now, and it works fine. But I thought I'd alert someone at Apple that this happened. Further, I'd like my USB port back but cannot find anywhere in the help files how to re-enable it. Unless it's fried, of course. But then again, how could the keyboard fry the port?
Information:
Power Mac G5
Mac OS X (10.4.10)
Original 21" Cinema Display, AppleKeyboard
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Nov 23, 2007
Is it possible to add a new 1TB drive to an existing concatenated raid(1TB+1TB)? and is there raid capacity limit, or it's unlimited?
Information:
G5
Mac OS X (10.4.10)
Dual 2.5 GHz PPC
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Nov 13, 2010
I have brought the 21,5" iMac 1 week ago. I just chosed the preconfigured model.
But i have had some problems with it.When the computer has been to sleep for some hours, it wont wake up with click on keyboard or on the mouse. I will have to use the powerbutton, where the computer then comes with a error, but it starts up.
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Jan 7, 2007
I know I can get the bulk of it here: [URL:..] But is there a controller board? I can't find any documentation on this thing. I want to use it for a PC. Making an acrylic top is no problem. Just looking for pin-outs, dimensions, and maybe some pictures of someone else dissecting one.
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May 4, 2008
Yea, my friends find it quite hilarious to push the power button and then pressing enter really fast which results in my computer shutting down.
I was looking for an app that would make it so the power button would only work when caps lock is on or something similar. It's just really annoying.
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Oct 30, 2008
I was just wondering if anyone knows how I can remove my eMacs power button, the one that you press to turn the computer on. I kinda wrecked mine and I want to "pop" it out to have a look at it. Looking at replacement costs they are like 50 bucks so I need to try what I can before I fork out for a new one.
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