Re: WinXP not bootng after upgrade from VPC 6 to 7; anyone know why?

Tech-Archive recommends: Repair Windows Errors & Optimize Windows Performance

On 2005-06-13 20:56:27 +1000, michael.rebar@xxxxxxxxx said:

Hi there!

I upgraded recently from VPC 6 to 7. then did the upgrade of my virtual
machine.
WinXP will no longer boot, but justs shows a black screen. Win98 does
boot after the upgrade, but not XP.
There is plenty of memory to the the virtual machine so it should work.
Luckily, I did copy the virtual machine to another folder before the
upgrade, just in case. I also kept VPC 6 on another folder for the same
reason.


Try starting up your old virtual machine under Virtual PC 6, remove
the Virtual PC Additions installation from within Windows using the
"Add or Remove Programs" control panel, and then shut down your
virtual machine.

Then, start Virtual PC 7 and re-install the latest Virtual PC Additions
by using the "Install or Update Additions" command from the "PC" menu
once Windows has started up successfully.


Also, does anyone have any practical methods to speed up VPC under
MacOS X? I think their is a command line type of command to give VPC a
greater percentage of the host OS processor time.


Nope... all you can do is one of two things,  which will lead
to system instability or loss of functionality if you do not know
what you are doing (ie. you know the inner workings of BSD UNIX and
process scheduling, and how modifying this behaviour may affect
your Macintosh applications or Darwin operating system processes):

1) reduce the sceduling priority of processes that have the
  most activity on your system; use top(1) to find such processes,
  and then use the renice(1) command to drop those processes'
  priority.

2) kill the aforementioned processes if you do not need to run
  them... only if you are the owner of those processes, or you
  know the consequences of killing those processes! ;-)

Some applications may re-apply their priority assignments after you
have reniced them yourself--this is the applications doing the work
and apart from quitting the applications in question, there's
nothing you can do.

Also, sending the TSTP signal to processes can cause your apps
to pause, but you may not have a way to re-start the processes
which have been paused!  Don't send them TSTP signals in order to
make processing time available to Virtual PC!  Quit them instead.


Just wondering.

Thanks!

M. Rebar

MacOX 10.4.1
Powerbook 1 GHz with 1 GB RAM
VPC 6 and 7
Win98 and XP



--
-- tonza.

.

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