In my observation, the weakness of the Rev A through C iMacs is the flyback transformer and the later ones have weak modems. On the 350mhz+ iMacs, that's about the only failures I've come across. Typically give some warning before they fail. Slow/dropped connections etc.
Google iMac modem and you'll find what you need.
Jim
On Monday, Mar 15, 2004, at 12:20 US/Pacific, Bill W wrote:
Hi all,
Requesting help diagnosing problem with 350 MHz Indigo iMac (can't remember whether summer, spring, fall or winter model)
No changes in system from one day to next. Turn it on, message immediately appears, (not exact but close) 'can't use internet because there are too many extensions in system'
Tried to get on net, but remote access said 'no dial tone'
Checked "ignore dial tone" on control panel and tried again. No luck. Tried phone line to adjacent cordless. Perfect dial tone. Switched phone lines. Modem still could not detect dial tone.
Phone gave perfect dial tone on line which was in use on iMac.
Used Ext. Mgr. to de-activate some exts. I'm not expert, but have been using Macs about 17 years, and don't believe I de-activated any which would preclude internet activity.
Modem still would not detect dial tone.
Modem dead??
Modem built into mother board??? Cost to repair???
How can I bypass internal modem and use external Zoom 56K left over from olden days?
Brasspatch
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