@simon73
This would be so much easier with a new install.
You can get into safe mode at least, thats something.
To get mouse an keyboard working you'll need to manually edit the registry offline to get them installed.
using a working windows install take everything from
Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\HID
Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\kbdclass
Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\kbdhid
Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\mouclass
Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\mouhid
Computer\HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\HID
Computer\HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\kbdclass
Computer\HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\kbdhid
Computer\HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\mouclass
Computer\HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\mouhid
and copy these keys across over to your XP registry.