Blue screen stating I should disable my BIOS memory options

hope this will help

I assume that you are talking about going into the setup screen at the startup of the computer. Bios shadowing usually refers to the video bios which when enabled allows it to be copied to the system dram for better performance. Bios caching enables segments of the system bios to be cached to main memory for faster execution. Cached essentially means saved to. As for the blue screen stop error- I refer to this as the Blue Screen of Death because usually the only way to fix it is by reformatting the hard drive and reinstalling the operating system. Hopefully this was a little helpful. Good Luck.

you need to get the os reinstalled.

when you start the machine it will show you press del to enter setup or F 2 press those butons wich the machine tells you then only you will see the bios look for the things you mentioned and change them

it's about the processor level caches
but also might be a bad memory slot (RAM)

resetting the bios is a good choice, maybe this will helpe either

If you are using an AGP or PCI graphic card try disabling the on board video adapter from BIOS.

Ensure that you have the latest drivers for this video card installed.

If the video adapter is using shared memory, then you may have a faulty RAM module.

Reinstall Direct X and any graphic acceleration software.

Go to BIOS and disable memory caching and shadowing options, this usually does not solve the problem, but you never know.

Contact video card or Motherboard manufacturer, there may be an issue between video adapter and your motherboard, or the specific software that you are using. In that case manufacturer may require to download a patch.

Since it is a Toshiba Tecra if you are not worried about losing data on the laptop you can try turning on the laptop and start pressing the zero key. It should give you the option to restore your laptop if you haven't deleted the restore partition on the laptop.

you disable shadow and caching in bios at boot ...
at startup you need to hit f10 (modeels may vary)to enter setup(bios)
in bios make required changes save and exit.

try pressing F2 and DEL key rapidly after switch on until you get a BIOS or password request

Just use ORIGINAL OS CD and repair OS everything will work fine!