Luckily enough after searching around have been able to trace out the Pack of CD's that came with the Laptop.
Tried using the OS CD (XP Home SP2) as per the method in
Am able to move till Step 4 and getting stuck at Step 5, after accepting the License Agreement I am not getting the 'R' option.
That's because it's an OEM CD that will effectively wipe all your data and take the machine back to Day One status...
If this is not what you want you need to let us know before going any further...
Otherwise all bets are off...