PowerPC :: G5 Freezes After 5 Minutes Of Booting

Nov 12, 2008

My computer, a Powermac G5, Dual 2.0Ghz, 1st Edition Released Oct 2003, will just freeze. It usually happens within 5 minutes of booting into the operating system. I am also unable to boot from the Leopard or Tiger DVD's to try and install a fresh copy of the OS as they freeze during the install. This is what I have tried so far, but to no avail:

Resetting the RAM and Graphics Card
Resetting the Power Management (PMU)
Resetting the PRAM

Now this is the even stranger thing. I installed a copy of PowerPC Ubuntu Linux 8.04 and it works fine. This makes me think that it is unlikely to be a hardware issue.


PowerPC :: Booting Up An Ibook - Computer Freezes At Spinning Gear Start Up Screen

Aug 10, 2008

i have an ibook g4, and was using it just fine the other night, then when i came back to it a few minutes later it had shut off completely. now when i boot up, the computer freezes at the spinning gear startup screen or at the blank blue screen immediately after the spinning gear. it will boot in single user mode, but it won't boot up with my os x install disc. does anyone know any unix i could try to use to get my mac up and running again, or has anyone had this same problem and knows a fix for it?

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MacBook :: Slow Booting - Takes More Than 5 Minutes

Feb 8, 2009

It seems that my MB(unibody 2.0Ghz) has some problem. I recently reinstalled leopard (and some softwares). It takes a little bit more than 2 minutes to boot. Worse comes with Windows 7 beta. I tried both 32bit and 64bit versions. It takes more than 5 minutes to boot! I saw some guy showing some comparison of boot time on youtube. It seems that Leopard should take < 1 minute and Windows 7 takes < 2 minutes (with the same hardware!). My MB takes around 3 times more than other MBs. Where should I start? I recently ran memtest and it turns out to be okay. HDD S.M.A.R.T also reports 'verified'. I'm not sure what would be the next.

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Intel Mac :: Since Updated To 10.7.4 Booting Process Taking 5 Minutes

Jun 3, 2012

I have a problem with my iMac. I have on a second partition lion installed. Everything worked great, but since I updated to 10.7.4 booting needs about 5 minutes. Already checked the partition and the access rights.

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IMac :: Freezes After 15 Minutes Of Being On - Overheating?

Aug 21, 2009

My Imac freezes up a lot, usually after 10 to 15 minutes of being on. I suspect it has something to do with overheating. I have to get my data off of the drive before I take it into the Apple store for fear that they will will just replace the drive and all will be lost. I have a fan blowing on it now in the back and am copying data onto an external drive little by little until it freezes up.

I bought it last fall and have a 3 year warranty on it and this will be my second time bringing it in for repair. The first time it was a problem right out of the box when I brought it home and it was replaced. It's a 3.06 processor, 24 inch screen. I am not impressed by the hardware reliability and the all in one system. I am regretting buying the imac after being a PC user for so long and I am using my Windows PC to write this. I suspect the cooling system could be better on my IMAC given the compressed footprint.

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MacBook Pro :: Wifi Freezes In Some Minutes?

May 12, 2012

My Macbook PRO wifi freezes in some minutes. I have to disable and enable again several times.

MacBook Pro, Mac OS X (10.7.4)

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IMac :: Mouse Freezes After Few Minutes Of Startup

Sep 25, 2010

This is my first Mac user problem posting going back to my original SE! Power PC based imac running leopard 10.5.8 starts up but then mouse freezes after a few mins. Managed to change sleep mode to 15mins - same problem. Can't boot from Disk as same problem, also command+option and shift all still have mouse unmoved! Obvious change of keyboard and mouse have no effect. Could this be related to offspring's addition of ipad plugged into usb a few weeks back? He tends to unplug the device without ejecting!

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Mac Pro :: Computer Desktop Freezes For 3 Minutes After Start Up?

Jun 26, 2012

When I start up my computer everything looks normal, all icons are on the desktop and my cursor is able to move. The problem is I can't affect any of the icons on the desktop (folders, files, etc)-every thing is frozen. After about 3 minutes it unfreezes and everything then works. what is the problem?

mac pro

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MacBook Pro :: Very Slow / Taking About 7 Minutes To Startup And Freezes A Lot

Mar 24, 2012

My mac is very slow, to start it takes about 7 minutes and it freezes all the time for hours.

Mac Pro, Mac OS X (10.7.3)

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OS X V10.6 Snow Leopard :: MAC Pro 15" 2.4GHz's Freezes Every 12 Minutes?

May 22, 2012

I just purchased my mac book pro on the 18th of may from an apple store, brand new. I decided to upgrade the RAM myself since it is a much better deal, however once I replaced the RAM my computer began to run much slower and it began crashing (showing a gray window that says "please restart your computer" in many different languages) so i restarted my computer and the problem continues, after 12min of running that window appears. I replaced the RAM with the original and the problem still continued. I have run normal hardware tests and extended hardware tests as well as PRAM reset and still nothing changed. Does anyone have any idea what is going on? I'm totally lost on what is going on with my brandnew macbook pro!I should also add, I have been running the extended hardware test multiple times to see if it will crash during that and after 1hr it hasnt crashed yet.

MacBook Pro (15-inch Late 2011), Mac OS X (10.7.4), Lion OS

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PowerPC :: EMac Freezing After 1-10 Minutes Of Use?

May 31, 2008

I have a emac thats about 4 years old, always has run well and done everything good. Recently retired it to backup computer and did a total erase and instal of the os.. ran great till a few weeks ago when it froze after about 10 minutes of use. Tried it again the next day and got the same thing. I waited a week and then tried it and still...same thing. Unpluged it, hit the power button and waited a day... same thing. Unpluged everying except keyboard and mouse... same thing.

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PowerPC :: G4 Lag - Startup Time 20 Minutes

Feb 2, 2009

I got a powerbook G4 with a smashed LCD. I hooked it up to an external monitor, and 1 thing keeps bothering me - it lags like hell. I have had an iBook g3, now using macbook aluminum, and I have never seen anything like this on a mac before. It lags like hell - it turns on in about 20 minutes. Sometimes it even doesn't. I have tried resetting Pram, Vram, premissions repair, looking @ activity monitor(nothing exceeding 2-3%). HDD capacity - about 55% full. I cant even describe whats up with it - launching any app takes about 2-3 minutes. For instance, iTunes launching takes 3,5 minutes and none of the songs are playable. I have tried to create a new account - did not help.

So lets start with system preferences. I have :
1,5ghz PowerPC processor
256mb Ram
Tiger 10.4.11
HDD 80gb Fujitsu MHT2080AT
So at first I though it was the lack of RAM - I bought a 1Gb stick. Now I am thinking it is because of the HDD. But I am not ready to buy another component randomly.

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PowerPC :: G4 Shutdown After 10 - 15 Minutes When Turned On

May 5, 2010

I just obtained an Ibook G4, it was my cousins, and it had crashed, so weeks later he gave up and bought a IMac. Anyway, the Ibook will turn on, boot up like normal. I had it turned on for about 10-15 minutes, and it just powers off. I had it plugged in, and it obtained about 11% battery, so I don't think it dies from battery shortage. Something I did notice, the battery charger cord, from wall to brcik is a 250V wire, while the brick it self needs about 100Volts. It isn't the cord that came with the Ibook. Could this cause the Ibook to shut down?

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PowerPC :: IBook Internal HDD As External HDD / Boots For Few Minutes?

Aug 2, 2007

I have a dead/dying old G4 iBook (logic board failure) and was wondering whether I can remove the internal drive and mount it in an external case, and use it as an external USB or Firewire drive? The drive has some valuable data on it which I'd like to keep, and the iBook only boots for a few minutes each time (if I'm lucky).Is it just a matter of opening it up, taking the drive out, and taking it along to a computer shop who should be able to kit me out?

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PowerPC :: Saving G4 Powerbook - Battery Lasts For About 20 Minutes

Jan 23, 2009

I have a 1.33ghz 12inch Powerbook with 768mb of RAM, my battery lasts for about 20 minutes, I am on my 4th ac adapter (and it is already broken again, I so get why they made them magnetic in future laptops). I am running Tiger... everything works just fine except the embarrassing battery life and unpredictable charging (b/c of the semi-broken power adapter).

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PowerPC :: G4 Not Booting Up Properly

Mar 12, 2008

Yesterday I installed Ice Clean and ran a few of the maintenance procedures. This morning when I tried starting my laptop, it started with grey screen and apple symbol, then black screen with white text stating:
Mar 13 08:02:44 launched: can't exec /bin/sh for single user: no such file or directory.

I tried contacting Ice Clean, they claim it is not related. I checked my system profile and I thought I had 1gb of RAM it only says 512gb. Could a RAM failure cause this problem? Have started using target disk mode with my old faithful G4 and everything on the hard disk is still intact. Ran disk utility and all ok!

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PowerPC :: PowerMac G5 Not Booting?

Jun 11, 2008

I have a PowerMac G5 dual 1.8ghz running leopard. It worked flawlessly since the day I bought it.

Then as of last week whenever I booted the computer I would get the gray screen with a black box saying to reboot the computer (in 5 different languages). I would reboot the computer. Same screen.

Is there some way to check what is wrong? Is this typically a hardware issue or an operating system?

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PowerPC :: Powermac G4 Not Booting Up?

Sep 19, 2008

I was installing Tiger using FireWire from my Powermac G4 and it was nearly done when my Powerbook (target) died due to lack of battery... When the Powermac was rebooted, I get only a question mark and flashing smile.

I tried to test the C and T keys holding them down during boot up but only get the smiley face every single time... I even disconnected the secondary drive to no avail.

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PowerPC :: G5 Powermac Not Booting From CD?

Sep 22, 2008

Please could you help me with this problem that i've got with my Powermac G5.

Spec is
Dual G5
2gb ram

I'm trying to boot from the Mac OS cd (tried 10.4 that it came with and 10.5) and both get to the grey screen with the Apple Logo and that's as far as it gets. No spinning loading wheel.

Tried the following..

PRAM reset
Swapping Ram out

Is there anything else i can do. It's a really good machine so i hope it's not needing a Logic Board repair!

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PowerPC :: IBook G3 (Clamshell) - Booting From New MBP CD?

Oct 18, 2010

I recently came into possession of an iBook G3 (Clamshell) model M6411. Unfortunately, I believe it had a cactus HDD - it shows up in Target Disk Mode on my current model 13" MBP but refuses to format or read - locks Disk Utility/Finder up when accessed. The iBook also has NO CDROM drive in it, either (removed by previous owner, reasons unsure). I'd just like to get it to boot to see that everything else works ok. I have a retail install of OS 9.2.1 as well as an iMac G3 OS X 10.1 install CD, and a 10.3 retail disc too.

I am aware that PPC Macs cannot boot from USB CDROM drives, but they can using FireWire. So, I tried plugging it in via FireWire to my MBP, put the MBP in Target Disk Mode, put the CD in it, and held Option while booting the iBook. The iBook sees the CD on the MBP, I click on it to boot it, and it shows the Happy Mac (this is with the 10.1 CD). However, after about a minute, it shows a strange "broken folder" icon (a Mac OS 9 folder with a tear down the middle) on a grey background. It gets no further. If I use the 9.2.1 CD, it shows a Happy Mac briefly then switches to a floppy disk with a question mark. The 10.3 CD refuses to boot at all. One thing I forgot to mention is if I try and boot the iBook normally, it shows a Finder icon alternating to a ? in a blue Mac OS 9 folder.

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PowerPC :: Dual 867 MDD G4 Not Booting - How To Repair

Jan 1, 2011

G4 won't boot. No startup chime. Power button light goes off right after I power it on. Fans go on and soon switch to high / fast mode.

Tried everything imaginable -- removing all cards, RAM swapping, PMU reset, bought a new 3.6v PMU battery... everything on this forum (I think) except buying a new power supply which I'm trying to avoid.

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PowerPC :: IBook Not Booting Up - Won't Start Up

Jul 6, 2007

I've had my iBook for about a year and a half now, haven't had any trouble with it until now. For some reason it won't start up. It's plugged in and the green light is on but it's just not booting up. why my iBook isn't working all of the sudden?

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PowerPC :: Ibook Not Booting Up Into 10.4 Tiger

Oct 28, 2007

my ibook 800mhz g3 isn't booting up. I just turned it on one day & it showed the apple logo as usual, it went to the Starting up screen, and then it just disappears and i'm left with a blue screen, and the mouse sometimes appears for about 10 seconds and then it goes away. i've tried formatting, installing an earlier operating system, using a boot cd, booting from an external hard drive, everything.

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PowerPC :: Booting A G5 IMac Via Ethernet?

Nov 15, 2007

I'm sure I've heard somewhere that it's possible to turn Macs on via ethernet, I've looked around on google and the forums here but haven't found a thing saying how to do it. Is it possible merely I imagined this?

I want to boot a G5 iMac, connected via ethernet through an AirPort Extreme, (802.11n 100Gb model).

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PowerPC :: PowerBook Booting Into BSD Not OS X (Aqua)

Nov 24, 2008

Hi I have a problem with my PowerBook

It boots to BSD (Command Line Interface) instead of OS X (GUI Aqua)

This Video shows more


Please note that the screen on the PowerBook is broke so I can only use it connected to an external monitor

When I try to reinstall the system, the picture does not get pushed across to the external monitor meaning I can not see what I am doing and thus can not reinstall

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PowerPC :: Powerbook G4 Not Booting Up From The Disk

Dec 5, 2008

I'm having a problem with my Powerbook G4. I kind of screwed up my drivers because I was an idiot and tried to get some Intel drivers to work on the computer through some cheat thing and now my computer won't boot up. I have an install disk but when I try to reinstall it keeps saying that I need Mac OSX Install Disk 2. I never had to use disk 2 before and I never had one to begin with.

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PowerPC :: PowerBook G4 No Longer Booting Up?

Mar 28, 2009

I know very very little about computer parts and things like that, but I hope to have provided enough information. When I boot up, both plugged into the power cord, and on battery, the powerbook will reach a white screen with an apple logo in the center. There also is a rotating disk below the apple logo. It will then shortly power down. I made a visit to the genius bar, and they told me something was wrong. I was like DUH!!! They said for $320 it would all be fixed, but I was hoping to be able to find out what was going wrong with it. Sadly I don't have the start-up disk that came with the laptop .

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PowerPC :: G5 Not Booting - Fans Are Spinning

May 25, 2009

I opened up my G5, to install more RAM, and saw that one of the hard drives was unplugged (I just got it used), and so I connected that, blew some compressed air into it, installed the RAM and closed 'er up. Then I tried to power on and it didn't work (No Chimes, just fans spinning, no video, not even the start up chime). So, I disconnected the hard drive, took out the RAM I put in, and closed it, and it still doesn't boot. Same thing. My keyboard is wireless, but the wireless dongle thing doesn't get any power when it is "powered on". The fans are spinning all the time. (Except when it's powered off, obviously)

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PowerPC :: PowerMac G4 Not Chiming Or Booting?

Oct 8, 2009

Have searched MacRumours and am unable to find a solution to my problem, so here goes: I've recently bought a "faulty" PowerMac G4, which would not boot, however all the parts inside were sold as working.

When I try to boot the G4 the light on the front flashes and the fans begin to spin but there is no characteristic Apple "bong" and nothing appears on the screen.

I know the screen's working because I use the same one with one of my Windows PC's. I've tried pressing the CUDA button and reseating the PRAM battery but to no avail. Does anyone know what my next step should be?

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PowerPC :: Using IMac G5 With ISight Not Booting

Nov 4, 2009

I purchased the last generation iMac G5 when it came out a few years ago and I recently tried to sell it. I sent the item to the buyer and he said it would not start. The Apple logo or for that matter anything would not come up. He brought it to the Geek Squad at Best Buy and they said it was an issue that would most likely cost over $500 in repairs. I just got the computer back in the mail and all that happens when the power button is pressed is the white light on the front lower right hand corner comes on for a second, then the machine shuts down. You can also hear the machine begin to start for about two seconds, then it shuts down. Any ideas as to the problem and whether it is fixable without expensive repair costs?

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PowerPC :: IMac G3 - Not Booting (6 Sec Shutdown)

Nov 24, 2009

I've been looking around on a few forums, and I've tried to reset PMU, hold the programmer key, take out battery let it be, external screen,... None of it worked for me. I have tried to install Os X Jaguar without upgrading firmware, so it told me that it needed to upgrade. But I can't do that since it doesn't boot anymore. I tried disconnecting the harddrive and boot it without it, it still turns off. [URl]

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PowerPC :: Powermac Not Booting No Display?

Mar 9, 2010

We have a PowerMac G5 machine which won't boot at all. you can hear it turn on and everything (including the chime at bootup) but you won't see anything show up on the display.

Also after several minutes, you will hear a very loud noise come from the machine, the fan you can tell is extremely loud. Not knowing this stuff very well as i'm more a PC tech than Mac, what are some options to troubleshot?

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PowerPC :: Booting Powerbook G4 Via External FW 800?

Jul 2, 2010

I am trying to do a clean install of OSX 10.5 on my old powerbook G4 15". I am using a 10.5 image file on my external. I partitioned the external using GUID, and restored the image file onto the external. (this method works when installing on intel macs). Unfortunately, I cannot boot 10.5 using this method on my powerbook. Is it because i am using a firewire 800 cable? Should I be booting it using a firewire 400? I know that PPC macs cannot boot using usb, so i am stumped.

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PowerPC :: G4 Cube Not Booting From Installation Disks

Oct 9, 2010

I recently acquired a G4 cube with no os. It came with the original disks, but the only problem is instead of booting from them a flashing question mark on a floppy drive is shown. I have tried resetting the PRAM and NVRAM which hasn't worked.

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PowerPC :: During Startup, My Powerbook Has Stopped Booting?

Dec 2, 2006

during startup, my powerbook will shutdown during the gray screen I've tried booting from an external drive. It goes to a gray screen without an apple logo.I've tried putting it in Target disk mode (to get my files off). But it won't mount on my desktop.Also tried resseting the pram as apple's troubleshooting suggested. nothing differen

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PowerPC :: G4 Screen Changing Color / Not Booting

Dec 24, 2006

Yesterday I installed the latest security updates for my ibook via software update. I'm not sure if this is related to my problem, but I thought I might as well mention it. A few hours after installing the updates, I turned on my computer. Everything was running fine, however as I was listening to music and surfing the internet, my screen turned black. I checked the contrast and it was all the way up. The screen then turned completely off. Upon restarting the computer, my screen got to the loading page with the apple icon and the loading circle, and then turned black and flickered every so often with a screen of vertical multi-colored bars.

I held down the power button to turn the screen off, and the flickering increased, before becoming completely covered by the multi-colored bars and then shutting off. This morning I tried again and my computer actually booted up. However, after a few seconds the screen went black, paused for a few seconds, then went completely red, then green, then blue, then three shades of gray, and finally black again. It repeated this cycle twice before the screen turned itself off. Is this a virus, or hardware/software malfunctioning. I've had my ibook for two years.

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PowerPC :: IBook G4 Not Booting - Completely Dead

Jun 27, 2007

I've been given an iBook g4 (Late 2004 Model according to apple) and... It's completely dead! No lights come up on the Battery when I press the button. I've tried restting the PMU..But nothing yet. I dont have the offical Apple plug, its a replacement one. Can that make much of a difference?

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PowerPC :: EMac G4 Stopped Booting Successfully

Jul 5, 2007

My girlfriend's eMac stopped booting successfully a few days ago. I thing the next step might be to reformat her hard drive ad re-install OS X, but I'm hoping there's some less drastic solution out there. I at least want to make sure I've exhausted all other options. Here's what I know: System is a G4 eMac. 1Ghz I believe (not sure). OS 10.3.9. 256MB RAM. The computer has worked flawlessly for her and her son since she acquired it several years ago. The hard disk was far from being full (around 41% used).The computer "bongs" normally, then goes on the grey screen with the Apple logo ad spinning "gears", then just sits there indefinitely. Some hard disk activity is heard at first, then silence. I started up with OS X CDs and ran DiskUtility. It reports the volume "repaired" successfully, but subsequent "verifications" still show some problems.

Started with "Option" key to see there is some bizarre startup volume selection, but as expected, the only volume shown is "Macintosh HD." Tried to start up in "safe" mode, but never saw any kind of "Safe Mode" indication. Only got as far as it ever does (grey screen, Apple logo, spinning "gears"). I started up in "verbose" mode. The last console message listed is "IP firewall loaded", and the machine just sits there. I started ip in "single user" ode, and ran 'fsck'. The result was the same as when I ran "Disk Utility." We changed the PRAM battery and reset PRAM/PMU. No effect. The computer starts up fine in "Target Disk Mode" and it looks like I can see the files on that hard disk just fine from another computer. As I said, my next step may well be reformat/install, but I want to make sure I haven't missed anything.

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PowerPC :: IBook Locked Up And Not Booting After Restart

Aug 9, 2007

I have an iBook G4 (1.25g memory and 1ghz processor) running Tiger. I have never had any problems with my iBook in the past and now it seems the second my warranty expires I do. I was using it earlier today and the entire thing just locked up for the first time ever and little lines started appearing on the screen. I turned it off and rebooted it and it froze on the Grey screen, I repeated and it keeps doing the same things. It actually loaded a few times and then promptly froze. I tried booting from the CD and it freezes right on the screen to select your language (if it gets that far).

I went into applejack/single user (which runs fine) and repaired disk/repaired permissions/cleaned up system files/ and cleaned up virtual memory. I also used the fsck -y check disk which I'm assuming is the same as typing in 'applejack' and then selecting 1 (But I thought I would use it anyway). The first time I ran fsck it said it changed a system file. I then ran it again and it said that the HD seemed okay. Assuming that fixed the problem I restarted my computer and it froze...again. Or is there a way to reformat from single user?

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PowerPC :: Fans Ramped Up And Machine Not Booting

Aug 21, 2008

I'm running a Dual 1.8 GhZ PowerPC G5, with 1.5 gig of RAM. I recently replaced the power supply, as the one that came with the machine died. I left the machine running last night, and this morning I found the fans ramped up as high as they could go, and the screen telling me that one of the external devices had been disconnected improperly. (This had happened once or twice while I was using the computer before I went to bed. Couldn't figure out what the problem was.) I shut down the machine by holding down the power button. When I turned it back on again, it wouldn't boot. I get the startup chime, and the main HD spins up, but the screen remains blank (the light on the display still works the way it should).

I was somehow able to get the machine to start from my backup drive once, so I verified and repaired the main drive. It checked out fine. I tried another restart, and the machine wouldn't boot again. It has since refused to boot, getting no farther than the startup chime. I've tried pressing the power management button. I've tried booting from the Leopard disks, and I've tried zapping the PRAM. However, it appears that the keyboard isn't having any effect, as the last two didn't work either. I've removed and reseated one of the RAM cards, but haven't had a chance to try the rest yet.

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