[muglo] Re: Computer Shutdown
- From: Eric Dunbar <eric.dunbar@xxxxxxxxx>
- To: muglo@xxxxxxxxxxxxx
- Date: Fri, 4 Mar 2005 19:41:57 -0500
> > computer, and in a few seconds press it again. The computer reboots
> > surprisingly quickly (almost as though it were just asleep!).
>
> When this has happened to my Laptop it was related to bad memory (both
> times) & replacement with new Ram solved the problem.
If it's a chronic problem that happens with a fresh install or with an
old one, RAM certainly could be the culprit. That said, laptops tend
to be far more finnickey with respect to RAM than desktops.
> > Of course, I think Virus! So I've run Virex 7.2, but as usual nothing
> > is
> > found.
> >
> > Any idea on what may be going on here? I do run VirtualPC on my
> > computer; any chance of a virus coming in via that route?
>
> The plain answer is Yes, but the effect will probably be minimal.
"No" to the virus coming via that route. Virex for Mac OS X is a waste
of space IMNSHO unless you wish to detect a Windows-based virus in
your e-mail inbox, or those rare "macro" viruses that were once upon a
blue moon found in Word. Viruses do not exist for Mac OS X.
"Not likely" to the Virtual PC (which version?) being the cause of the
kernel panic _directly_ (i.e. through sloppy coding). Indirectly, VPC
could certainly be a reason because what it does is put your RAM
through a good workout. If your RAM is defective this could easily
cause a kernel panic.
Also, 10.2.8 is _not_ the most stable version of 10.2. IMNSHO (and
that of a lot of other people) 10.2.6 was the most stable version of
10.2 (on my PowerBook G3 Pismo, at least). The only way to get 10.2.6
is to reinstall OS X 10.2 and update to it (you can't downgrade).
Questions for you:
1. What application(s) are open when you experience kernel panics?
Netscape? VPC? They are both heavy users of RAM. The former is full of
sloppy coding (on the Mac). The latter is an example of one of the
most stable apps ever written (MS Windows often is more stable *under*
VPC than running on actual i86 hardware).
2. How much RAM do you have? Have you added any chips above and beyond
what Apple provided?
3. Have you added any new hardware? Do you use any USB or FireWire devices?
4. Have you added any "utilities" to your system? Does Virex run any
special programs all the time (this is why I don't trust Virex or
Norton AntiVirus for OS X -- they destabilse computers _without_
adding ANYTHING to the security of the computer)?
5. Is this still the same install of Mac OS X as when you bought the computer?
Eric.
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