TroubleshootingOperation ManualT-7Why can’t I write/delete the data onto/from a disk?• Confirm the disk is available in writing or deleting data.• If you wish to use the Windows CD writing software, you may need to enable it.(Refer to Windows Help and Support.)Why doesn’t the DVD video play smoothly?• Ensure that the AC adapter is attached to the computer and a power source.• Disable system standby and system hibernate.• Set the APM button to the max power mode and then, select 100% for the CPUperformance. (See the Using the Advanced Power Management Button section onpage 2-9.)• When playing a DVD video, you may experience a picture with irregular motion orframe dropouts, depending on videos. Enabling the Hardware Decode Accelerationfunction of InterVideo WinDVD may solve this problem. Follow these instructionsto enable the function.1. Quit the playback if it is running.2. Right-click somewhere in the InterVideo WinDVD5 window and select Setup…from the pop-up menu. The Setup dialog box will open.3. Check the box of Use Hardware Decode Acceleration in the Video HardwareConfiguration field.4. Click OK.When the Hardware Decode Acceleration function is enabled, the LCDOptimization function is disabled. (Refer to Help of WinDVD for LCDOptimization.)Why isn’t the optical drive recognized?/Why can’t I find the optical drivein My Computer window?• If your computer is turned on with a DVD disk inserted in the drive, the drive maynot be recognized. In this case, turn off your computer and open the disk tray byinserting a fine rod into the ejection hole. (Refer to the Why does not the driveopen? section on page T-6.) Remove the disk from the drive, close the opticaldrive, and then, turn on your computer again.• If you click the Safely Remove Hardware icon ( ) on the taskbar andMATSHITA xxxxx (xxxxx is your optical drive name), the optical drive powersoff. The optical drive icon does not appear in the My Computer window while thedrive is off.