Thanks for the suggestion... However, I'm maybe an intermediate level tech,
so how do I go about checking the bandwidth and power consumtpion as you
suggest?

"R. McCarty" wrote:

> With all your normal peripherals attached check both the bandwidth and
> power consumption on your USB Root Hubs and controllers. It seems
> like you've got a overload of some type that is causing the machine to lag.
>
> "Riskman" <Riskman@discussions.microsoft.com> wrote in message
> news:7FD3D84B-B292-4116-84A5-8235510412A0@microsoft.com...
> >I am working on a Dell OptiPlex GX280 that up till last week worked fine
> >(~3
> > years). 1GB RAM, 2.8GB Pentium, 80GB HDD SATA, CD-RW, XP SP2. Is a
> > network
> > workstation. Virus & malware signatures updates hourly. Has decent
> > firewall. Recently had added second 512MB RAM strip, but ran with no
> > issues
> > for weeks following. Run MS Updates routinely, but not yet loaded XP SP3
> > (it
> > was not yet released at time hang/freeze issue began). Has suddenly begun
> > to
> > hang/freeze at about 2-3 minutes post log-in. Gives no warning, no error
> > messages, no error beeps, continues all green lights on back panel.
> > Initially reset to earlier restore point with no positive effect. Then
> > did
> > repair of OS with no positive effect. Ran Dell Diagnostics which found no
> > hardware issues - all tests passed. Specifically retested Memory and HDD
> > and
> > all still passed those further diagnostics. Have tested USB keyboard and
> > USB
> > mouse separately and both are fully functional. Ultimately reformatted
> > HDD
> > and did clean install, but still continues to hang/freeze at about 2-3
> > minutes post log-in. Can boot to CD and during lengthy OS repair or
> > install
> > there was no hang. Can boot to Safe Mode and device will eventually
> > hang/freeze at about 10-12 minutes post log-in. When hang begins, red
> > light
> > on optical mouse flickers (slow at first then increases to rapid, then
> > suddenly stops); also during this, audio begins to crackle and similarly
> > increases in pace, then stops same as mouse optic light. Did find some
> > info
> > @ MS regarding an "interrupt storm" but the prescribed "fix" for that did
> > not
> > alter my issue in any way. Presently the GX280 still hangs/freezes and
> > nothing I've done has resolved the issue.
> >
> > Has anyone suffered through this type of problem before, and how did you
> > ultimately resolve it?
>
>
>