Unable to boot WinXP on Mac Pro after BC 2.1 Update

Saw the BootCamp 2.1 update in ASU. Clicked to install it. Rebooted machine after ASU is complete. Now my WinXP is unable to start. I've tried holding down the ALT key and selecting the disk/partition - still will not boot. It puts the monitor to sleep and just sits there.
Anyone run into the same problem and know of a workaround?
Thanks.

OK I fixed this.
Firstly it's worth noting that it is possible to to disable secure boot in the 6.70 BIOS.
However this option is only available when the user password is not set in the security menu.
After enabling or disabling the password a reboot is required to make the secure boot enable/disable option either available or unavailable.
That's good I suppose as I guess it may prevent secure boot from being disabled when the machine is running. However this does not appear to have been related to this issue.
I selected the 'reset to factory defaults' option on the exit menu.
The machine was then able to boot from USB and DVD. The boot order was also respected.
Perhaps the windows 8.1 upgrade somehow invisibly corrupted the BIOS settings. Or maybe it was just a stranage co-incidence that the BIOS corrupted itself during the install. Either way that factory reset fixed it.

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Unable to boot from ODD or USB after windows 8.1 update on P850-31L

Hi
I just updated a P850-31L to windows 8.1 from windows 8 through the windows store.
Before the update I was able to boot from a USB drive by pressing F12 during start up.
After the update I was no longer able to boot from the USB drive. Selecting the USB drive by changing the boot order in BIOS setup via F2 or by pressing F12 no longer works.
Booting from ODD is also no longer possible.
The BIOS version is 6.70 and does not allow secure boot to be disabled. However the DVD and the USB stick I tried are signed Ubuntu 12.10 which worked prior to the upgrade. Fastboot in windows 8.1 is disabled.
This would then appear to be a bug in the Toshiba BIOS? Or has the windows 8.1 updated the BIOS or the EFI boot partition in such a way as to override the BIOS setting? Really stuck here, doesn't seem to be much information about.
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Thanks
Michael
Update: I just tried booting from the Toshiba windows 8 recovery DVD and this no longer works either.
Message was edited by: michael_toshiba_forum

OK I fixed this.
Firstly it's worth noting that it is possible to to disable secure boot in the 6.70 BIOS.
However this option is only available when the user password is not set in the security menu.
After enabling or disabling the password a reboot is required to make the secure boot enable/disable option either available or unavailable.
That's good I suppose as I guess it may prevent secure boot from being disabled when the machine is running. However this does not appear to have been related to this issue.
I selected the 'reset to factory defaults' option on the exit menu.
The machine was then able to boot from USB and DVD. The boot order was also respected.
Perhaps the windows 8.1 upgrade somehow invisibly corrupted the BIOS settings. Or maybe it was just a stranage co-incidence that the BIOS corrupted itself during the install. Either way that factory reset fixed it.

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Message was edited by: Attila Szegedi

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Hello Howard,
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The cheaper routers, Linksys, D-Link, Seimens home units, and many other no name devices have caused issues of various kinds, and even connectivity.
I have no idea what Starbucks uses, but I always have a good connection, and I go there nearly every morning and get some work done, as well as play.
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Trouble dual-booting Mac Pro after moving - Boot Camp

Here's the story: My wife and I just moved a few miles away, and I transported my "late 2005" Mac Pro carefully on the front seat, on its side. Upon arrival, I am having great difficulty booting up.
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Eddie

Begin with this:
Mac Pro came out in Aug 2006, so the fact you run Windows, you have later than any Late 2005 (which referred to PowerMac and G5s)
Normally I would travel with the hard drives in boxes, removed.
XP and also Windows 32-bit any version only offers 1.9GB usable RAM.
Depends on where XP is, on the same drive as OS X? or on its own?
Try check the drive is seated tightly.
Run chkdsk
Boot XP CD
Clone Mac OS? so you have an image if needed.
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Nothingness... white limbo..is what I see when I try to boot up my mac pro.

Left on my mac pro tower 4-core with 3 gigs of ram on all night as I often do. I merely power down the apple 23" monitor because that's the only that heats up. Came down in the morning, turned on the monitor and all I see is a white screen. just all white. never seen that before in all my years as a mac user. I made sure all connections were secure and rebooted. THen.... whiteness. blinding nothingness. I'm taking a wild guess here that the mother board is okay but the Hard Drive is dead? After work, I'll try to boot up from the start up dvd however.... it doesn't appear to even go through even prelim start up. i don't get the screen of death or anything. just nothingness.
Anyone had this problem? I got the computer and monitor about 6 months ago and it's been flawless. Didn't do anything different last night. no downloads..nothing.
Help!

A power supply with battery backup and will insure that any outage or spike won't damage your $$$ investment and work. It should also filter your modem and ethernet ports (wired).
Cloning OS X system to another drive that you can boot from is essential for repairs, for safety net before applying 10.4.11+ or moving to 10.5.
A Firewire drive with OS X on it is very handy, and so you can avoid reinstalling and just restore - and that would be off line in any accident.
The pdf and demo of SuperDuper $29 will do the job and make quick smart backups in minutes. The first backup is the killer but after that goes in 10 minutes to rescan and update. Much easier than online, no need to be on the net, or worry that iDisk is slow or off line.
You can't 'drag' OS X to another drive and have it work. There are hidden files, ownership flags, permission for folders and applications.
Mac OS X: The Missing Manual is a good handy guide or look for others
http://www.apple.com/macosx/resources/

Dual monitor not working under Boot Camp on Mac Pro ATI HD 2600 XT

Recently got a brand new Mac Pro with ATI Radeon HD 2600 XT graphics card.
On the Mac side (Leopard), everything works perfectly: my second monitor (a plasma screen connected with HDMI to the second DVI of the ATI card via HDMI/DVI adapter) is fully recognized and it works as an extended desktop or in Mirroring mode.
Under Boot Camp (Windows XP Pro) however, NOTHING: the second monitor always appears in the display properties, but it is grayed out (inactive), and when I try to activate it, it switches back to being grayed out immediately and nothing gets displayed on it.
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a) Bootcamp 2.0 (installed by default by Bootcamp assistant)
b) Update to Bootcamp 2.1
1) Windows XP Pro SP2c vanilla install (from my Windows XP pro install disk)
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i) ATI drivers installed by default by Boot Camp assistant (BC 2.0) or by BC 2.1
ii) Latest ATI drivers found on ATI web site specifically under Boot Camp / Mac Pro.
Note: Interestingly, the catalyst installer worked ok (provided .NET framework 2.0 is installed though), but it seems that the Radeon BootCamp/Mac Pro driver set itself from ATI's web site does NOT include a driver for the HD 2600 XT - so when I install this driver set, it tells me that no compatible hardware was found...
iii) Latest ATI drivers found under Windows XP (these did include one driver specifically for the Radeon HD 2600 XT)
NOTHING seems to work. I read posts (most of the from late last year) about ATI Catalyst utility showing a 3rd monitor at some point, but I never got any 3rd monitor showing in any of my many many trials with Catalyst. I have yet to get a single image appear on my plasma under Bootcamp Windows. I don't believe its the hardware because everything works great on the max OS X side.
I am actually considering switching to an NVidia 8800 GT just to get the dual screen to work under BootCamp/Windows XP because I really need it and I read everywhere that drivers for NVidia are far better than ATI ones.
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Hi there aside from my laptop I have an iMac 20" with the same HD 2600 XT card. I recently installed the Catalyst 8.6 driver by using a driver mod from driverheaven, I use Vista 32. By installing it this way I got boosted performance and many issues with the bootcamp drivers were fixed. As you may already know the ATI drivers do not install on bootcamped macs usually but the mod tool fixes this. Its unofficial so do so at your own risk but try it out and see if you get the second monitor if not just rollback. Hope this helps and I didn't want to say too much about the 8.6 driver mod because it may not be allowed here but google will provide any answers.

Mac mini not booting up with 8GB memory after 10.7.2 update

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It worked just fine before that, with the full 8GB of memory installed.
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Cheers, Otto.

I have upgraded my 2011 Macbook Pro and my 2011 Mini Server
to 8 gig with Corsair RAM and have had no issues
(CMSA8GX3M2A1333C9). What brand RAM was used?
There have been issues in the past with some RAM
brands.
Something to try is a PRAM reset with the 8 gig installed.
http://docs.info.apple.com/article.html?path=Mac/10.7/en/mh26871.html
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Windows and xp will not boot (1st gen Mac Pro)

i have a first generation mac pro and i am having trouble booting into my boot camp volumes.
when i run an option boot i get four icons
1. Lion
2. windows
3. windows
4. disk recovery
i have a note on my screen here that tells me the first windows icon is windows 7 and the second icon is windows xp. however, every time i click on one of these disks the screen either locks up or the icon stays selected and i have to do a /manual/ shutdown and it /usually/ will boot into whatever windows volume i had selected.
NOW when i try this i am getting windows recovery messages and when i tell it to boot into windows normally it kicks me out to a computer RESTART and then it will boot into Mac OS.
i realize i can /change/ the regular boot volume to trick it into booting back into whichever windows volume i am trying to use but at this point this all seems like things are going off the rails somehow.
i have just recently moved all my data to drive 3 and am cloning this data to drive 4. drive 1 is Lion with a partition containing windows 7 and drive 2 is a 500 GB volume containing my xp install.
SHOULD I pull out all the disks and put them back in to make sure they are seated properly? should i move them around physically in the drive perhaps? should i run some software boot restore/re-index software?
i really, really have to finish this reconfiguration of my machine but - is it possible this is simply due to the age of the computer in which case i will spend time on this after buying a new mac pro that will upgrade to Mountain Lion...
TIA, jon
(also posted in mac pro forums)

holycow.
this is helpful to know.
thanks i will check into this.
man, this could be a bit of an issue over here which i have to wrap my head around...

Windows 7 Boot fails on Mac Pro 1,1 (long-standing issue)

i am having a long-standing problem on my first generation (1,1) mac pro where i have an installation of Windows 7 "under" boot camp. this installation involved some kind of minor mac hack that involved writing something to ISO and/or a CD Rom and then getting the installation onto my hard drive.
right now i am not sure if i should get rid of my tech guy, buy the new mac pro as soon as it comes out, boot into safe mode, re-install windows 7 or all of the above. help please?
lately if i try and Option Boot into this volume i get a Windows closed down incorrectly error and then i hit start windows normally it will crash out and restart the computer in mac OS (i.e. in another option boot volume).
at one point the windows 7 boot was not working at all and we discovered that i had to TURN OFF my G-Tech 3 TB backup drive in order to get the Mac to boot into Windows.
i am wondering if i should focus my energies by trying to boot into Safe Mode (and if so what to do if/when i get there) but also whether this appears to be an issue with the Mac Pro, the G-Tech external, Windows or some combination of all plus some user error thrown in for good measure.
i absolutely need to have a volume of windows 7 running and this is a long-standing issue at this point.
i am also running a Carbon Copy Cloner of this volume (the one that has all my OS's) on a daily basis to another internal hard drive (which i assume does not matter but i figure to mention it).
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i am planning at some point to buy the next release of the Mac Pro so i can upgrade the desktop to Mountain Lion to match the laptop but it seems like i should be able to get this working on my end now...
TIA
P.S. I /am/ also noticing that my User Photo periodically drops off and i just see two blank icons (one for me and one for Guest) when i have to login. i set it to a photo and then a week or two or a boot or two later it will disappear.

hi all,
a report back after hacking my way through siberia over here:
turns out there are bad sectors on my drive that some third party program discovered.
the disk is on it's way back to WD with a replacement in the works.
fortunately my internal cloned backup got me back up to speed with mac os but unfortunately i was not yet setup to clone my windows boot camp backup so i will be installing windows 7 boot camp one more time on this drive...

Unable to boot WinXP on Mac Pro after BC 2.1 Update

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