By default, Windows XP show My Computer in Start Menu as shortcut only. To access its contents, you’ll need to open it first then you just can open its contents. To make is shorter way, expand My Computer items as sub menu in Start Menu.
These are the steps:

1. Right click on task bar, and choose Properties menu.

2. Click Start Menu tab, then click Customize button.

3. In Customize Start Menu window, click Advanced tab.

4. Find My Computer item in Start Menu items list, and click Display as a menu option and then click OK to save your new configuration.

5. Now, click Start Menu to see My Computer item has changed.

(article no:0006)