- Click the start button 
- Click Control panel 
- Double click on System 
- Click on the Hardware tab 
- Click on the Device Manager button 
- In the Device Manager tree double click on DVD/CD-ROM drives 
- If you see your Philips drive in the Device Manager please go to the software check list section 
- If the Philips drive is not visible in the Device Manager list go to the hardware check list section