Toshiba L300 Series, L300D Series When writing or rewriting, ■Open the optical disc drive, ■Apply impact or vibration to the PC, ■Do not perform any of the following actions:

L300/L300D series

■Before you enter sleep/hibernation mode, be sure to finish DVD-RAM writing. Writing is finished if you can eject DVD-RAM media.

■Be sure to close all other software programs except the writing software.

■Do not run software such as a screen saver, which can put a heavy load on the CPU.

■Operate the computer in the full-power mode. Do not use power-saving features.

■Do not write while virus check software is running. Wait for it to finish, and then disable virus detection programs including any software that checks files automatically in the background.

■Do not use hard disk utilities, including those intended to enhance HDD access speed. They may cause unstable operation and data damage.

■Write from the computer’s HDD to the CD/DVD. Do not try to write from shared devices such as a LAN server or any other network device.

■Writing with software other than TOSHIBA Disc Creator is not recommended.When writing or rewriting

Please observe/consider the following when you write or rewrite to a CD-R/-RW, DVD-R/-R DL/-RW/-RAM or DVD+R/+R DL/+RW disc.

■Do not perform any of the following actions:■Change users in the Windows Vista™ operating system.

■Operate the computer for any other function, including use of a mouse or touchpad, closing/opening the LCD panel.

■Start a communication application such as a modem.■Apply impact or vibration to the PC.

■Install, remove or connect external devices, including items such as a SD/SDHC memory card, PC card/ExpressCard, Memory Stick/ Memory Stick Pro, MultiMediaCard, USB device, external monitor, or an optical digital device.

■Use the Audio/Video control button to reproduce music or voice.■Open the optical disc drive.■Do not use shut down/log off and sleep/hibernation while writing or rewriting.

■Make sure writing or rewriting is completed before going into sleep/hibernation. Writing is completed if you can open the DVD Super Multi (+-R DL) drive tray.

■Set the computer on a level surface and avoid places subject to vibration such as airplanes, trains, or cars. Do not use an unstable surface such as a stand.

■Keep mobile phones and other wireless communication devices away from the computer.

■Always copy data from the HDD to the optical disc. Do not use cut-and-paste. The original data will be lost if there is a write error.

4-8 User’s Manual