Three easy steps are enough for Windows 95. Other tips will help with most operating systems. All information is based on painfull experience of the webmaster. Don't forget to clean. Not only went the dust away, but also the problem which transformed many, many CD-Rs to waste.
Internal recorder can get really hot.
The german computer magazine c't reports of heat problems with cheap internal cd recorders. Their optical device is affected by the heat, what leads to errors.