Samsung NP-R20 Series Service Manual page 57

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5. Troubleshooting
For an ODD, check if it operates in Ultra DMA Mode 2. If it does not, check if the disc inserted
into the ODD is clean. If the disc is contaminated, the access speed may slows down. If the disc is
clean, 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 or
replace the FPC or drive, if necessary.
(5) Windows Vista System
The 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 of
Windows Vista.
Other operating systems (Windows 98,Windows ME,Windows 2000,Windows XP,Windows 2003
Server,UNIX and LINUX.other Windows Vista versions,etc.)other than the operating system
already installed on this computer are not supported.
Installing a program that does not support Windows Vista,may cause the program to not work
properly.
In this case,ask the corresponding software manufacturer about the problem . if you request our
services to resolve a problem caused bu incompatible software.
(6) Other Problems
Press each corresponding button and check its operation.
The following figure illustrates the operation of the volume control button.
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