lsass error on boot then ntldr error when trying to boot to windows disk

Computer is an old Dell Dimension, Windows xp home.  It was on your average surge protector power strip, power outage occurred overnight and then when they tried to turn on the computer in the morning windows starts to load but then there is just a black screen with "lsass.exe application error failed to initialize properly" error (safe mode too).  Screen will stay there indefinitely after you click ok on error. Last known good config doesn't work.  So, tried to boot to windows disk to repair lsass error but then get "ntldr is missing error".  Happens trying to boot to usb as well.  Checked bios boot sequence/device settings.  Thinking maybe a controller issue or something with the MB due to the improper shutdown/power outage but don't want to just miss something obvious/easy that I should try.  Assistance much appreciated.
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JohnBusiness Consultant (Owner)Commented:
Try again booting with a bootable CD. Insert the CD, shut down, power on and allow to boot from CD. If that does not work, the surge has damaged memory or motherboard.

Assuming at least 2 memory modules, try booting with one, then the other. See if you can get it to start.
I would check your system's boot order to verify it is actually booting from those devices. If you are doing one time boot from the CD or DVD, then I would make sure that the CD or USB actually work properly from another machine.
☠ MASQ ☠Commented:
Yes, boot order important, also knowing that the recovery CD is bootable (some aren't).
Other things to check in the boot order are that you don't have memory cards or other data storage devices getting looked at before the XP CD.  If there's a risk of this disconnect them.
Otherwise what you're seeing is PC can't find bootable media - so consider
- CD isn't bootable
- CD drive fault
Keyboard not responding to the "press any key to boot from CD" prompt
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ComputerMunkeyAuthor Commented:
I do not get the normal "press any key to boot from CD" prompt, so I have to choose the boot menu to choose the device, then I get the ntldr message.
JohnBusiness Consultant (Owner)Commented:
Did you try one memory module only ?
☠ MASQ ☠Commented:
If the CD is bootable & booting you should see the message.  If there's a problem with the drive then the boot process will move onto the next device - which in your case is the HDD with the ntldr error.

Do you have any other bootable CDs you could test the drive with?

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Sounds like a bad drive or a bad disc.
ComputerMunkeyAuthor Commented:
I only tried one usb, but I tried multiple disks - 2 different Windows XP home and one Bart PE.
JohnBusiness Consultant (Owner)Commented:
You probably have a bad motherboard (since you tried multiple CDs') .
it could also be a bios problem
can you boot into bios?  then set it to defaults - and verify boot order
i believe to boot into bios you use the F2 key

another cause can be the PS - so measure the 3.3, 5 and 12 V voltages, or replace the PS

to be complete, here is how i handle this kinda problems :                  (Short-overview-of-how-to-troubleshoot-bad-hardware-when-a-pc-does-not-post)
ComputerMunkeyAuthor Commented:
Thank you everyone for the help.  Customer has decided he wants a new computer anyway since this one is so old.
JohnBusiness Consultant (Owner)Commented:
@ComputerMunkey  -Thanks for the update and I was happy to help.
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Windows XP

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