Hi All:

I am stumped - can anyone help or perhaps direct me toward a list that 
could?  (I have not tried Mac-L yet...)

I have an iMac G5 (1.8 ghz, 320 mb, 2 gb -  10.4.11) and a G3 laptop 
(500/20/78 - 3 10.4.11) both connected to the internet via ethernet and a 
GNet router/modem.  Both run current updates of Firefox and Safari.  The 
iMac usually has Skype open all the time.

About a month ago I had my friendly neighbourhood Apple reseller (who 
works from his home) install a bigger HD into my iMac.

Last week, I noticed a volume error (something like an invalid file 
structure) which Disk Repair could not repair and I had to completely 
Erase and Replace my desktop HD with a bootable copy via Super Duper. ( I 
called my guy and he said it was not the HD but a system software error.

A couple of days ago, I noticed that the iMac was not connecting via ftp 
to my website and really stalling on downloading other sites.  So I 
started to investigate and realized that it's connection speeds are 
consistently at around 400 - 700 (with uploads at around 500 -750). After 
troubleshooting further (for hours of course) I realized that the laptop 
meanwhile (with exact same internet/firewall settings and using either 
ethernet cable) has no problems downloading at 4,500 kps!

I ended up taking it into my friendly neighbourhood Apple guy as I 
thought the answer lay with the ethernet port in the iMac.  

He tested the ping for various sites  and the download speeds using 
speedtest.net. He checked the Fire wall and file sharing settings, 
turning these options off and then back on.   He added DNS server 
addresses to the connection config.  The machine connects BEAUTIFULLY for 
him using ethernet or wirelessly (which I had him install while I was 
there).  

I took it home.  Back to downloading at 450! (650 if I close Skype.)

Here are the facts:

- Same set ups on both machines: Firewall On on both machines + file 
sharing and printer sharing and "Drop Copy"  allowed.
- open DNS addresses now entered into iMac - not into laptop
- Skype and Fetch both closed on iMac. 
- Same results using either Firefox or Safari.

Laptop downloads up to 10x faster.

However, I thought I would Verify the iMac Disk again - and now it is 
showing an Invalid "node" structure  which needs to be repaired. Disk 
Utility can't repair. (I guess I better invest in Disk Warrior but I have 
never had a disk problem before now....)

So, Disk Repair is probably a red herring - but I can't think what is 
causing this and why the machine would work on his desk and not on mine 
when my laptop does work on mine.

(BTW, do you think these new and consistent volume problems are related 
to the new HD if not to the internet problems?)

Help! (Please!)

Tannis





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