Grabador de DVD no Graba CD

Hola a Todos:

Tengo un problema que me parece bastante atipico porque mi grabador de DVD
Samsung no detecta ni reconoce los cd en blanco comunes de 700mb...

A que se puede deber esto??? con los dvd no hay problema

adjunto mi configuración por si ayuda en algo

Gracias por adelantado

I N T E L (R) A C T I V E M O N I T O R

System Information Report
23-12-2005 23:17:25

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General Information
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Product name Intel(R) Desktop Board D865PERL based system
Board model Genuine Intel(R) D865PERL system board
OS version Windows* XP version 5.1 Service Pack 2 build 2600
OS memory 2,097,152 KB RAM

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Processor
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Processor Genuine Intel(R) Pentium(R) 4 Processor
Processor speed 3.40 GHz
Bus speed 800 MHz
L1 cache Data Cache 8KB, Execution Trace Cache 12K Micro-ops
L2 cache Advanced Transfer Cache 1024 KB
Form factor Socket 478
Stepping 4

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System
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Physical memory 2,304 MB RAM
Memory speed DDR400
Memory type DDR, Synchronous
Form factor DIMM
BIOS date 02/13/2005
BIOS size 512 KB
BIOS version P21 (RL86510A.86A.0089.P21.0502132202)