One other possibility is that a device on the USB (or possibly even the Firewire) bus is causing the problem. Try disconnecting all of your USB peripherals (not the mouse or keyboard though) and then startup. If this works, it probably means that the USB bus is being drawn down by too much load. The fix would then be to buy a powered USB hub and connecting the peripherals into it.
This happens under OS 9 and earlier as well. If at startup the system determines that a port, like USB, is malfunctioning, then the startup hangs. In this case, although the USB bus is actually working, the system at startup would detect that the voltage on the bus is lower than some set threshold, and decide that this meant there was a bus fault. The USB bus on Macs will only support some minimal number of devices, like 3-4, before the bus is pulled down. It may be less depending upon the devices. The solution is to buy a powered, make sure it is powered (ie: the kind that has to be plugged into an outlet), hub. Jerry ---------------------------------------------------------------------------- ------------------------- > <<I'm new to the list. My parents have an iMac 400 DV Special Edition > with 384mb RAM. The just got a copy of Jaguar and I bought a new > 120gb 7200 RPM internal HD for the computer. I first upgraded the HD > and then installed Jaguar. I was able to install Jaguar without too > much problem. > > However, when I restarted the computer, the screen did not come on. > The computer booted with the normal chime, but no visible image was > on the screen. I was told on another list to zap the pram. I did this > and now I get the normal chime during bootup, but then the computer > doesn't automatically shuts down afterwards. Any suggestions would > definitely be appreciated.>> > > END -- The iMac List is sponsored by <http://lowendmac.com/> and... Small Dog Electronics http://www.smalldog.com | Refurbished Drives | - Epson Stylus Color 580 Printers - new at $69 | & CDRWs on Sale! | Support Low End Mac <http://lowendmac.com/lists/support.html> iMac List info: <http://lowendmac.com/imac/list.shtml> --> AOL users, remove "mailto:"; Send list messages to: <mailto:[EMAIL PROTECTED]> To unsubscribe, email: <mailto:[EMAIL PROTECTED]> For digest mode, email: <mailto:[EMAIL PROTECTED]> Subscription questions: <mailto:[EMAIL PROTECTED]> Archive: <http://www.mail-archive.com/imac-list%40mail.maclaunch.com/> Using a Mac? Free email & more at Applelinks! http://www.applelinks.com
