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Old 04-15-2002, 10:53 AM
Samhein Samhein is offline
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Default Mac Keeps Rebooting

Hello,

Anyone come across a problem of the PowerMac G4/733 always rebooting when the unit is turned on every morning or the next day?

The only way to stop it would be to yank out the power supply cord, wait a few seconds, and then plug it back in. Then the system would boot properly.

Any input? Thanks.
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Old 04-16-2002, 12:25 AM
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Avid Avid is offline
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Default Re: Mac Keeps Rebooting

If you still have your Appian Jeronimo card, it might be this item from the Answerbase:
http://answerbase.digidesign.com/detail.cfm?DID=6755
Quote:
While installing an Appian Jeronimo 2000 AGP Dual Monitor video card into a 2001 G4 Quicksilver model, the computer spontaneously boots up by itself.
This issue is due to a change in the Apple G4's AGP slot. The pins Apple uses for USB and Power on the new AGP slots are the same pins Appian uses for grounding on the Jeronimo 2000 monitor card.
To have the card modified to resolve this issue, please contact Appian Tech Support at (425) 882-2020.
ID:6755 Created:10/30/2001
<font size="2" face="Verdana, Arial">Otherwise, I'd check to see if removing all USB devices besides the Apple mouse and keyboard that came with the G4 makes any difference. Spontaneous reboot problems have been linked to various combinations and configurations of USB devices. Sometimes changing how they are connected, or disconnecting before shutdown can solve the problem.
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Old 04-16-2002, 07:57 AM
Sarah Faust Sarah Faust is offline
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Join Date: May 2001
Location: Manchester, UK
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Default Re: Mac Keeps Rebooting

Ours boots up after shut down and then freezes.... we worked out that it's because we've got USB extension cables, from the G4 to the Keyboard/Mouse.
Does anyone else know anything about this or how to overcome it?
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Old 04-16-2002, 09:39 AM
Samhein Samhein is offline
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Default Re: Mac Keeps Rebooting

We don't use an Appian Card. It's all the standard stuff that came with the Mac.
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Old 04-16-2002, 09:53 AM
DaveCarlock DaveCarlock is offline
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Default Re: Mac Keeps Rebooting

Quote:
Originally posted by Sarah Faust:
Ours boots up after shut down and then freezes.... we worked out that it's because we've got USB extension cables, from the G4 to the Keyboard/Mouse.
Does anyone else know anything about this or how to overcome it?
<font size="2" face="Verdana, Arial">You might try the "most current" Gefen USB extension cable. Gefen Systems, Woodland Hills, CA. 800.545.6900. Tell them I said hello.

DC
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Old 04-16-2002, 11:16 PM
dss dss is offline
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Default Re: Mac Keeps Rebooting

i bought a USB extension from Geffen and my Quicksilver 876 did the same thing.

i went through a round robin of emails with Geffen and they flat out refused to replace the cable, or refund my money.

so it's lookin' nice up on the utility shelf in the machine room these days.

how did i solve the extension problem? well i went out to the local PC store and bought four (count 'em 1,2,3,4) standard 3 foot USB male to female extensions and chained them up and they work great!

money well spent.

[img]images/icons/frown.gif[/img]

dss
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Old 04-17-2002, 02:50 AM
Sarah Faust Sarah Faust is offline
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Default Re: Mac Keeps Rebooting

Well the USB we're using at the moment IS from A PC outlet and if the Geffen did't work for dss then what now?

[img]images/icons/rolleyes.gif[/img]

www.thesoundhouse.tv
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