26 Setting Up and Using Your Computerw w w . d e l l . c o m | s u p p o r t . d e l l . c o m Helpful Tips• Use Microsoft ® Windows ® Explorer to drag and drop files to a CD-R or CD-RW onlyafter you start Sonic RecordNow and open a RecordNow project.• You must use CD-Rs to burn music CDs that you want to play in regular stereos.CD-RWs do not play in most home or car stereos.• You cannot create audio DVDs with Sonic RecordNow.• Music MP3 files can be played only on MP3 players or on computers that have MP3software installed.• Do not burn a blank CD-R or CD-RW to its maximum capacity; for example, do notcopy a 650-MB file to a 650-MB blank CD. The CD-RW drive needs 1 or 2 MB of theblank CD to finalize the recording.• Use a blank CD-RW to practice CD recording until you are familiar with CDrecording techniques. If you make a mistake, you can erase the data on the CD-RWand try again. You can also use blank CD-RWs to test music file projects before yourecord the project permanently to a blank CD-R.• See the Sonic support website at support.sonic.com for additional information.Hyper-ThreadingNOTE: Hyper-Threading is supported only on computers that have 3.06-GHz (or higher)microprocessors installed.Hyper-Threading is an Intel ® technology that can enhance overall computer performanceby allowing one physical microprocessor to function as two logical microprocessors, capableof performing certain tasks simultaneously. It is recommended that you use the Microsoft ®Windows ® XP operating system because Windows XP is optimized to take advantage ofHyper-Threading technology. While many programs can benefit from Hyper-Threading,some programs have not been optimized for Hyper-Threading and may require an updatefrom the software manufacturer. Contact the software manufacturer for updates andinformation about using Hyper-Threading with your software.