Power Mac 5260/100 Won't Start

I just noticed recently that my Power Mac 5260/100 won't startup anymore. I just recently replaced the PRAM battery since according to my dad's mulit-meter it was dead. The Power Mac 5260/100 doesn't even get as far as the bonging stage in the startup process. Does this mean I have a dead logic board or bad RAM? I'd be willing to replace the logic board since I have a brand new Apple TV/Video System installed that I payed a lot of money on eBay for (it came unopened when I got it so I know those components didn't fail). I also use it for old games and would like to know if I'll be able to in the future too.

I wouldn't give up yet. The CUDA reset and PRAM battery are "first responders" when it comes to "mostly dead" Macs, so we always start there.
When you attempt a start, can you hear anything? Fans? Hard drive?
Have you tried booting from a CD with a valid system? Utility CDs allow this if they are bootable. My TechTools 3 CD boots into the highest OS the computer will support (up to 9.2.2). It's amusing to see a 6100 or 6200 display the OS9 logo. I had to run utilities every few days on my 6200/75 to keep it limping along.
Checked everything inside for solid connections?
I think that one has the "tray type" logic board with scores of connectors along one edge. Those must be clean and seated.
Some in this series have a plastic bridle arrangement for the rear of the CD-ROM that can flex and lose contact. Check/clean it if present.
I believe this computer uses "soft power." Have you tried a different keyboard, or tried using the backup power button?
There were "known hardware issues" with this and similar Mac models. Review that article and this one (includes a logic board diagram). The second link has links to hardware testers if you get it running. The extended warranty period ended in July 2003(?), however.
AJ

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Power Mac 5260/100 System CD

I found a eBay store selling what appears to be a Power Mac 5260/120 System CD containing Mac OS 7.5.3. Would this System CD also be compatible with a Power Mac 5260/100 by any chance? I'm asking because I happen to own a Power Mac 5260/100 I bought second hand off eBay.

I would think that there is a high probability it would work. If it's not too expensive, it's worth the chance of buying.
 Cheers, Tom

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I can't get Open Transport to work on my Power Mac 5260/100 with 64 MB of RAM running Mac OS 9.1. I have the TCP/IP control panel set to get the IP address using DHCP using the Farallon LC PDS EtherMac NSC 10-Base T ethernet card & I checked use 802.3 framing. I have also installed the TCP/IP Options control panel & I checked all three check boxes. I also upgraded Open Transport to 2.7.6. What do I need to do to get my Mac online?

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Power Mac G4 MDD Won't Start Up

Hello all...
I have an MDD which I've had for about a year now...
It booted up this morning no problem...we put it to sleep. Some time later someone went to use the computer and it was off! We tried booting up but got the dreaded fading power button.
We've tried pulling it and plugging it back in...resetting the PMU....turning it on using a keyboard (yeah those old ones) and monitor...nothing seems to be working.
One time when we tried the monitor the light on the monitor (power light) stayed on but nothing happened.
The fans don't start, the drive doesn't spin.
Anyone got any suggestions?

Is the PRAM battery good?
I would check it first. When mine went, I had no response from my Mac at all; just a light on my power button; absolutely no boot at all.
Check out things in Texas Mac Man's Battery, PRAM, PMU tutorial on the subject. His tutorial is a little dated (don't believe it even mentions G5's) but the info in it, except SMU not being included, still applies.Good Luck! DALE

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My mac desktop computer won't start it just beens loudly. I don't have any lights showing on the keyboard but can hear the drive switching on. I have unplugged the computer, waited and replugged and waited and then turned it on again without and results. Please help.

Use this tip to identify your Mac:
https://discussions.apple.com/docs/DOC-6413
If indeed it has a PowerPC processor (the PowerMacs use that, and have been around since early 2006 simultaneously with some of the Intels), see this tip on beeps:
Power On Self-Test Beep Definition - Part 2
If it is Intel, see this tip:
Mac computers: About startup tones

Power Mac G4 Gigabit won't turn on

My power mac g4 gigabit won't turn on. When you press the power button on the front it lights up for a seccond and then it turns off and the computer doesn't turn on. If you hold the power button down the light stays on but when you release it it turns off again. only the light on the zip drive comes on sometimes. I have tried to reset the PMU but that didn't do anything I took out the battery and replaced it but it didn't help.
PLEASE ANYBODY HELP ME!
Thanks,
rcrickarby

first of all, i'm an AMIGA guy. i did my share of apple ][ programming in the late 70's, but this is the first mac i've touched (literally) since 1985 when i played with the original mac. in 2000, i finally went from the amiga (i still have lots of 'em) to the Dark Side and got a PC (QUAKE II, DUDE!) running Windows NT, then Windows 2000, now XP. i finally retired that machine this year - i gave it to a neighbor for his kids.
now back to the topic...
i'm working on a friend's G4 gigabit machine which had a bad power supply (no 28V output). as a replacement supply is obscenely expensive and they apparently die early and often, i've got an ATX supply in there (let go my ears - i are an engineer and i know what i'm doing).
i'm currently feeding +5V standby from the ATX supply (+5 always hot, even when supply is "off") to the +28V trickle pin of the motherboard power connector. i'm not worried about firewire or ADC monitors at this point.
besides the power supply hack, i'm using a PC mouse & keyboard (USB) through a belkin flip KVM.
the machine works fine now, except:
1) if i let it put itself to sleep (power saver setting), it wakes up brain damaged. the screen is corrupt, the mouse pointer is present and moves, but it's for all intents and purposes dead and must be reset. if i put it to sleep with a quick push of the power switch (throbbing power light mode) and then wake it back up (after waiting seconds or hours), it's fine.
2) if i disconnect the AC (even briefly), it won't power back up until i reset the PMU. i bought a new battery at radio shack today (didn't realize they wanted ****$19.00**9.00** for the thing until i saw the numbers on the register!), and i'm giving it an overnight charge with everything powered up before seeing if that fixes things. interestingly, i came home with the new battery, and of course the machine wouldn't start as i had left it unplugged. popped the old battery out, put the new one in, and it started! of course, i excitedly shut it down and unplugged the AC for 5 minutes, but it wouldn't start until i did the PMU reset
i realize that either of these problems could be related to using only +5V standby for trickle power, but keep in mind that previous G4 machines (yikes/sawtooth) also used "standard" +5V trickle power, so i'm not breaking any new ground.
what else might be going on to prevent it from starting up when freshly plugged in?
i'm looking at two solutions for the 28V thing - one is an off-the-shelf DC to DC upconverter which turns 5V to 24V (and can even provide 2A if i diode-OR +5V standby with +12V), and the other is something i'll whip up myself using an LM3478 and a big FET which can provide 1A @ 28V from 5V. either of these should be enough to run powered firewire things, but again no ADC monitor.
system stats:
G4 gigabit, 400MHz, 1G RAM (512M PC133, 256M PC133, 256M PC100), 4.2.8f1 firmware, OS X 10.4.11
i saw a message in one of the system startup logs about the video card firmware being "too old". is there a way to update the firmware? here's what system profiler says about it:
ATY,Rage128Pro:
Chipset Model: ATY,Rage128Pro
Type: Display
Bus: AGP
Slot: SLOT-A
VRAM (Total): 16 MB
Vendor: ATI (0x1002)
Device ID: 0x5046
Revision ID: 0x0000
ROM Revision: 113-72701-125
one last thing - when the machine is asleep (throbbing power light), i assume the DRAM is on and being refreshed. how much current does that require at 28V?
i'm pleasantly surprised by how quickly it boots and shuts down. the "identify your keyboard" thing was weird, but effective. the UI is a little better than 1985, but still seems a little cryptic - and that's from a guy who still uses VI to edit software.
my only other apple experience since 1985 is an iPod Shuffle, which is cool once you get hold of a certain perl script to rebuild its database. until you do that, you're saddled with iTunes. i've only used (or tried to) the Windows version. i don't think i've ever used any software on any platform that was so LARGE, so SLOW, so INTRUSIVE to the rest of the system, and so COMPLETELY OPAQUE before (well, maybe ClearCase). dear apple - don't do THAT again.

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Anything here help?
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My Mac book pro won't start! It boots as far as the sign in screen and then everything goes black. Please help.

Which model MacBook Pro do you have (e.g., “15-inch Late 2011”) and which version of OS X are you running?
Clinton

System 8 for Power Mac 7500/100 on CD

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Is there anybody who can provide me with a CD with system 8, I can't download from the internet (computer won't start up) so CD has to be mailed by post to the Netherlands.
Thanks

Hello Rob,
You will find a disk image of a bootable Disk Tools PPC floppy here. With access to another Mac with a built-in floppy drive, use StuffIt Expander to decode the downloaded .bin file (if applicable, set the StuffIt Expander preferences NOT to mount disk images). Then use the Make a Floppy command (under the Utilities menu) in Disk Copy 6.3.3 to produce a sector-copied floppy disk. This diskette should at least make a proper startup of the Power Macintosh 7500/100 possible. You may thus be able to inspect and perhaps correct the contents of the hard disk.
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QUESTION: flashing power button at startup/won't start

I just bought this Imac intel core duo 2. it worked fine for the first couple of days. Now, when I try to turn it on, the power button (in the front pannel) starts flashing and the machine won't start up :o(
Anybody has any suggestions how to fix this problem?
Imac intel core duo 2 Mac OS X (10.4.7)

Thanks for your quick response Pete!
I definetely feel like I should just bring this back to get a new one since I just got it. Although it went on, once I shut it down it would take me quite a few tries to start up again. Kinda frustrated cuz I got tons of school work to do.
Have a good night! (midnight in nyc)

Power Mac G4 MDD won't wake from sleep mode

I have a Power Mac G4 MDD 1.25GHz with a 15" Apple display and running 10.4.
I can not wake the computer up from the sleep mode. It will not respond to the mouse moving, a mouse click, a keyboard key, the power button on the display or the power button on the computer.
The only thing I can do is force the computer off by holding in the power button (on display or computer) and restarting the computer.
The computer is set to go to sleep after 1 hour of no use (or the issue happens if I put it to sleep).
Any thoughts would be great.

This is for a Mac that won't sleep.
Here is KB article HT1776 with their tips.
Mine follow;
USB devices and hubs often cause Macs to not sleep or wake quickly from sleep (notably HP printers and scanners, HP all in ones, and Cannon scanners). Disconnect all USB except for keyboard and mouse and try. If it sleeps, add one back at a time testing after each one to find the culprit.If you've set your Mac to receive faxes, it may not be able to sleep. It might also have a damaged preferences file.
If you use your Mac for faxing, open System Preferences. click Print & Fax, click the Faxing tab, and uncheck the Receive Faxes On This Computer box.
If that doesn't work or you've never faxed on your Mac, go to Finder/Hard Drive /Library/Preferences/SystemConfiguration and delete the com.apple.PowerManagement.plist and com..apple.AutoWake.plist files (if your Mac asks, type your admin. password).
If the latter file isn't present in the folder, go to user name(probably your name)/Library/Preferences, delete the com.apple.systemuiserver.plist file, and reboot your Mac.
Hope this helps!
P.S. One member here reported this (Michael Gleason);
"I have had this problem with my IMac G5. It is surprisingly irritating. LaCie's Silverkeeper backup software was the cause. By default it gave itself permission to wake up the computer to check if a backup was needed. Do you have this or a similar program installed which has scheduled activities including wake-up permissions as an option?"
Dave Hamilton provided this link, xlr8yourmac.com, to a member, which addresses failure of deep sleep with some users that updated and added new FireWire and USB cards.
Also, here is Apple doc.#305262 about PCI cards and sleep.
tomhorvat adds this; After few days of messing around I found out that I had desktop background (wallpaper) set to change every 1 minute.
After unchecking "Change picture..." in system preferences (under Desktop/Screen saver), my powerbook went to sleep all by itself.
Tristan Currier noticed this; "I have a Canon printer(shared) and my imac would not sleep. I opened up printer/fax in system prefs and noticed it said the printer was in use when it was off. Opened up the printer queue and noticed about 7 pending documents. Deleted them all and now it sleeps.
Check the printer queue!"
Good Luck!  DALE

Power Mac G4 keeps crashing. Start up after restarted

Hello. This Power Mac G4- AGP graphic - keeps crashing. However, after each crash it power up normally. The problem reoccurred several time over a week.
I am happy with this computer and i would like to keep it if possible.So here is the log file.
Unresolved kernel trap(cpu 0): 0x700 - Program DAR=0x00000000E7ADE000 PC=0x00000000002FE824
Latest crash info for cpu 0:
   Exception state (sv=0x22CD6280)
      PC=0x002FE824; MSR=0x00089030; DAR=0xE7ADE000; DSISR=0x42000000; LR=0x002D824C; R1=0x0F753A30; XCP=0x0000001C (0x700 - Program)
      Backtrace:
0x00000000 0x002D824C 0x002D6E78 0x0081DEC4 0x0081D96C 0x00474E90
         0x004E0634 0x004E0338 0x004E16E0 0x004E1A14 0x002D1B8C 0x002D0A54 0x000A9714
      Kernel loadable modules in backtrace (with dependencies):
         com.apple.iokit.IOUSBMassStorageClass(1.4.5)@0x81a000
            dependency: com.apple.iokit.IOUSBFamily(2.8.1)@0x472000
            dependency: com.apple.iokit.IOSCSIArchitectureModelFamily(1.4.9)@0x5ca000
            dependency: com.apple.iokit.IOStorageFamily(1.5)@0x43d000
         com.apple.driver.AppleUSBOHCI(2.5.5)@0x4dd000
            dependency: com.apple.iokit.IOUSBFamily(2.8.1)@0x472000
            dependency: com.apple.iokit.IOPCIFamily(1.7)@0x460000
         com.apple.iokit.IOUSBFamily(2.8.1)@0x472000
Proceeding back via exception chain:
   Exception state (sv=0x22CD6280)
      previously dumped as "Latest" state. skipping...
   Exception state (sv=0x228D6780)
      PC=0x00000000; MSR=0x0000D030; DAR=0x00000000; DSISR=0x00000000; LR=0x00000000; R1=0x00000000; XCP=0x00000000 (Unknown)
Kernel version:
Darwin Kernel Version 8.11.0: Wed Oct 10 18:26:00 PDT 2007; root:xnu-792.24.17~1/RELEASE_PPC
panic(cpu 0 caller 0xFFFF0007): 0x700 - Program
Latest stack backtrace for cpu 0:
      Backtrace:
         0x000954F8 0x00095A10 0x00026898 0x000A8204 0x000ABB80
Proceeding back via exception chain:
   Exception state (sv=0x22CD6280)
      PC=0x002FE824; MSR=0x00089030; DAR=0xE7ADE000; DSISR=0x42000000; LR=0x002D824C; R1=0x0F753A30; XCP=0x0000001C (0x700 - Program)
      Backtrace:
0x00000000 0x002D824C 0x002D6E78 0x0081DEC4 0x0081D96C 0x00474E90
         0x004E0634 0x004E0338 0x004E16E0 0x004E1A14 0x002D1B8C 0x002D0A54 0x000A9714
      Kernel loadable modules in backtrace (with dependencies):
         com.apple.iokit.IOUSBMassStorageClass(1.4.5)@0x81a000
            dependency: com.apple.iokit.IOUSBFamily(2.8.1)@0x472000
            dependency: com.apple.iokit.IOSCSIArchitectureModelFamily(1.4.9)@0x5ca000
            dependency: com.apple.iokit.IOStorageFamily Model: PowerMac3,1, BootROM 4.2.8f1, 1 processors, PowerPC G4 (3.3), 1.2 GHz, 640 MB
Graphics: ATI Radeon 9000 Pro, ATY,RV250, AGP, 64 MB
Memory Module: DIMM0/J21, 512 MB, SDRAM, PC100-322S
Memory Module: DIMM1/J22, 128 MB, SDRAM, PC100-222S
Modem: Spring, UCJ, V.90, 3.0F, APPLE VERSION 0001, 4/7/1999
Network Service: Built-in Ethernet, Ethernet, en0
PCI Card: usb, usb, SLOT-C
PCI Card: usb, usb, SLOT-C
PCI Card: pci9005,201e, SLOT-C
Parallel ATA Device: ST380021A, 74.53 GB
Parallel ATA Device: PIONEER DVD-RW DVR-104
Parallel ATA Device: IOMEGA ZIP 100       ATAPI
USB Device: IBM Infoprint 12, IBM Corporation, Up to 12 Mb/sec, 500 mA
USB Device: Hub, Up to 12 Mb/sec, 500 mA
USB Device: USB Flash Drive, USB 2.0, Up to 12 Mb/sec, 500 mA
USB Device: Card Reader, Generic, Up to 12 Mb/sec, 500 mA
USB Device: USB20 Camera, Up to 12 Mb/sec, 500 mA
USB Device: DYMO LabelWriter 330 Turbo, DYMO, Up to 12 Mb/sec, 500 mA
USB Device: Hub in Apple Pro Keyboard, Mitsumi Electric, Up to 12 Mb/sec, 500 mA
USB Device: USB Optical Mouse, Logitech, Up to 1.5 Mb/sec, 100 mA
USB Device: Apple Pro Keyboard, Mitsumi Electric, Up to 12 Mb/sec, 250 mA
FireWire Device: unknown_device, unknown_value, Unknown

Thanks BDAqua, it does sound like a bad capacitor. The PSU is one that I put in a few years back when Apple was giving them out so as to reduce the fan noise. I kept the old one until last week when I sent it off to be recycled. I suppose it would be a tough job to find the bad capacitor and I doubt that I would have the skill to replace it even if I could find it. It's not like I really need this power mac since I have a Mac Pro 1,1 but I do occasionally want to run something in OS 9 and I do love this machine for what ever reason. There was remarkably little dust inside but I went over it with a can of dust remover.
Don

Power Mac G4 Shuts down at start up

Hello,
I have a power mac g4 that Shuts down at start up. It will get to the white screen with the apple for about a minute and then shut itself down. I tried starting up from a disk and it doesn't even get that far.I haven't replaced any parts yet but I was wondering if it may be a problem with the computer's power supply. Any suggestions are appreciated, Thanks

You may need to reset the logic board. If you open the side of the G4, you should be able to find the reset switch.
Unplugging it first would be a good idea.

Power mac G5 2004 won't power on

Hello all,
my Power mac G5 June 2004, won't power on at all. I've changed the logic board, power supply, dual processors, front panel board, and front panel board cable. Still getting the same results. The only thing I could think of next is the power button.
Please help!!!
M-One

m-one
No more wise guy stuff then.
If you have tried and thus eliminated everything else, then perhaps it is indeed the power button.
However, are you perfectly certain that it can be nothing else? Were all of the parts that you used for troubleshooting purposes from some other Mac or from some kit or did you purchase them or what?
Sometimes it can be more than one thing. And at different times. I am not sure exactly what the minimum configuration for a boot-up is but perhaps search for that and see what pops up. Reduce it to that and try it.
If you have a working Mac from which these replacement parts are coming it is not high on my list of favorite strategies but you can try plugging the suspect components into the working Mac one at a time until you find the culprit.
Are there any parts that you replace that require you to press the SMU reset although you have done it once? Perhaps a call to Apple or again search on that for suggestions.
Luck-
-DaddyPaycheck

Power mac G4 450 won't boot past grey apple

I took trusty old Power Mac G4 450 (PCI graphics) apart for a week to paint the office. I put everything back together as before including a lot of old SCSI peripherals, but when I start it up, the fans run, i get the chimes, but it will not boot past the apple on the grey screen. I tried a safe boot, disconnecting everything but monitor & keyboard, & resetting the pram. The battery was replaced about 8 months ago. It had been freezing a lot before this, & I considered replacing it, but all I need it for is to run an old SCSI flat bed scanner that I'd like to hang on to. Any ideas?

Hi-
Will it boot to the OS X install disc?
If so, use Disk Utility to "Repair Disk" on the start up volume.

Power Mac 5260/100 Won't Start

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