I Took The HDD out of my Laptop, when i put it back in it wont detect it...?

Question

I have a toshiba satellite pro A210 Running wndows XP

I took The HDD out to see if it was the same as another of my laptops and when i put it back in it makes 2 beep sounds then comes up with the BIOS Utility and under Hard Disk it says None, and when i try to high light it it jumps over it so icant select it,

What culd be the cause?

yer ive tried taken it out and puttin it back in and ive tried resetting the bios,

This is what comes up when i start up,

The laptop beeps twice then says

632K System Ram passed

1918m Extended ram passed

1024 KB Cache

System Bios Shadowed

Video Bios Shadowed

System Configuration Data updated

ERROR

System Configuration Data Read Error

Press F1 To load defaults, F2 To setup

If i press F1 it reboots and oes the same thing

If i press F2 it goes into Phoenix Bios Setup Utility

and has system time, bios version (which is 1.3 by the way) total memory and all ifferent info

Up the top it says

Main, advanced, display, security, Boot, exit

Answer 1

if u can get into the bios,try the section for boot priority,tell pc to look for hdd,its in the bios ,