The factory recvoery usually just reformats the C: drive - although there are some which will do less.
It's possible that the reinstall went into the wrong partition and is limited.
please run the following commands in an Elevated Command Prompt window
(wait for the prompt to change)
copy and paste the output to your response.
1) To open an Elevated Command Prompt Window (the CP window), click on Start, All Programs, Accessories – then right-click on Command Prompt, and select Run as Administrator. Accept the UAC prompt.
2) To run the commands easier, highlight the block of commands, and right-click on the highlight – select Copy. In the CP Windows, click on the black/white icon at top left – select Paste. The commands will run but may not complete the last command, so hit the Enter Key once.
) To copy the results... click on the Black/White icon in the top left, and select Edit... 'Select All', and hit the Enter key - then use Ctrl+V or r-click+Paste to paste it into your response.