Tecra M2 - black screen with the cursor flashing

Hi guys,
Im hoping someone out there may be able to help me fix my laptop.
Ive read a couple of posts but not sure they can help me.
When I swicth on my Tecra M2, I just end up with a black screen with the cursor flashing in the top left or I get a screen filled with alternating 0's and 1's.
Sometimes the TOSHIBA splash screen appears with the boot options, other times it doesnt.
I cannot boot to CD and it wont boot to the HDD. Ive taken the HDD out and the CDROM out but it does the same thing which to me suggests that its not getting through the BIOS even as far as the boot sequence.
Does this sound like BIOS failure to you and do you know of a way to fix it? Ive tried taking the battery out, powering off and starting again but the same thing happens.
Any advice would be be appreicated.
Thanks,
Ross

I have had this twice now and in both cases it was caused by a faulty HDD - to confirm that the motherboard etc is still OK load the recovery CD in the DVD drive (or even better a freestanding XP disc), press F2 on startup and shift the cursor under the DVD drive as the boot drive.
If the motherboard etc is OK you will get the reload instructions (from the recovery disc) or a Windows install screens (from the XP install disc).
Satisfied that the machine at least works - replace the HDD and recover from the recovery disc or try a Windows repair from the recovery console (from the XP install disc with the HDD still in place).
In my cases I was forced to recover to a new HDD and then rebuild the machine from backups - I now clone the HDD when rebuilt.

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    [ 2957.672] (**) Option "xkb_model" "pc104"
    [ 2957.672] (**) Option "xkb_layout" "us"
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    [ 2957.710] (--) synaptics: AlpsPS/2 ALPS GlidePoint: y-axis range 0 - 767 (res 0)
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    [ 2957.714] (**) Option "xkb_model" "pc104"
    [ 2957.714] (**) Option "xkb_layout" "us"
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    [ 2964.016] (II) UnloadModule: "synaptics"
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