Greetings! 

You were all a big help to me a couple of weeks ago, so here goes again!

I had a repeat of the problem when my G4 MDD wouldn't connect to the 
internet<https://groups.google.com/forum/?fromgroups#!topic/g3-5-list/VsigSoHc3tY>:
 
exactly the same problem - machine would get a valid IP address and "see" 
the other macs on the network (at first several minutes after restart, 
later right away), but wouldn't connect to the internet. 

This happened after I woke the MDD from sleep - exactly as had happened 
before.

Same outcome: after allowing the machine to do it's thing for a couple of 
hours (during which there was frequent disk activity though the machine was 
idle), and restarting, the internet was back, without me having 
done/changed anything. 

So, this seems to be a sleep-related issue. I have read a few things around 
the web, including on this list, mentioning that the G4s were known to have 
problems with sleeping. Are there any solutions out there, aside from not 
using sleep? My old B&W G3 also had a sleep problem - I could never get it 
to wake up properly from sleep, and always ended up having to restart it. 
So I stopped using sleep altogether. I'd like to be able to use sleep mode 
on my MDD. 

The OS seems to eventually fix the problem, but it also takes 2-3 hours. I 
would like to speed up or jump-start the process. Bruce Johnson mentioned 
that the problem might lie in a messed-up "system network configuration 
preferences" file. Where is this file located? Should I keep a known good 
copy somewhere and replace it when things go wonky, or just delete the file 
and restart? I seem to recall a similar solution to a corrupted TCP/IP 
prefs file under OS 7-9. 

Also, one of the main reasons I like to be able to use sleep is that if I 
don't allow the machine to sleep, but only allow the screensaver and 
monitor sleep to occur, when the machine goes into monitor sleep, the fans 
race full blast, very loudly (I believe this was known as the "windtunnel" 
problem). Any solution to this not involving re-wiring my power supply? Any 
work-arounds? 

Thanks for all your time and suggestions!

Rob Johansen

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