Samsung NP-R20 Series Service Manual

5-20For an ODD, check if it operates in Ultra DMA Mode 2. If it does not, check if the disc insertedinto the ODD is clean. If the disc is contaminated, the access speed may slows down. If the disc isclean, check the BIOS SETUP, reinstall the operating system or ODD, if necessary.Check if the HDD and ODD models are properly displayed. If not, check the BIOS SETUP orreplace the FPC or drive, if necessary.(5) Windows Vista SystemThe operating system(OS) installed on this product is the latest version of Windows Vista,You cannot install an operating system other than vista as well as any unauthorized copy ofWindows Vista.Other operating systems (Windows 98,Windows ME,Windows 2000,Windows XP,Windows 2003Server,UNIX and LINUX.other Windows Vista versions,etc.)other than the operating systemalready installed on this computer are not supported.Installing a program that does not support Windows Vista,may cause the program to not workproperly.In this case,ask the corresponding software manufacturer about the problem . if you request ourservices to resolve a problem caused bu incompatible software.(6) Other ProblemsPress each corresponding button and check its operation.The following figure illustrates the operation of the volume control button.- This Document can not be used without Samsung's authorization -5. Troubleshooting