First, do not listen Ambucias, he always exaggerate with age of members, but yet I am close to the seventy dozen.
Regarding your issue, the L655 will not work on any Windows OS older than Windows 7. There is no drivers available below Windows 7 for Sound, Video and Wi-fi for Toshiba L655.
However, you mention in your other thread that your windows 7 partition had disappears but it is intact and you want it back. This problem is due to the fact you install an older version of Windows above a new version. Installing Windows XP crushed the MBR which is indispensable for Windows 7 starting up.
We will fix your issue if you follow exactly instructions I'll give you:
First, download EasyBCD to the link below:
Install and run it
On the left side of EasyBCD, click on the Add New Entry button.
In the top section under Operating Systems, click on the Windows tab.
To the right of Type, select Windows NT/2k/XP/2k3 from the drop down menu.
To the right of Name, you can leave the default Microsoft Windows XP as the name to be displayed in the Windows Boot Manager, or you can type whatever name you would like to have instead.
Click on the Add Entry button.
On the left side of EasyBCD, click on the Bootloader Setup button, select (dot) the Install the Windows XP bootloader to the MBR option, and click on the Write MBR button.
Restart the laptop, you should have normally a choice between Windows 7 and Windows XP, select Windows 7 and go to the device manager then delete from there the Windows XP partition.
You can merge the unallocated partition with Windows 7 partition if you want.
Click on the link below and download the free tool:
For instructions regarding how to use it, click on the second link and follow the instructions given in the video tutorial.
After all that, you should have you computer back to the normal.
I go to university, but let me know anyway, I'll reply you when I'll come back
If you don't know where you go, get back where you come.......