When you insert a DVD movie disc, you may receive the following error message: If you look in Device Manager, you may notice a exclamation point (!) next to the Cinemaster C WDM DVD drive. If you check the properties of the drive, it may display a status of Code 28.

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This issue can occur if the Plug and Play operating system setting in the computer's CMOS settings is set to Yes.

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To resolve this issue, change the Plug and Play operating system setting in the computer's CMOS settings to No. Please contact the computer's manufacturer for assistance with using the computer's CMOS configuration program.

To work around this issue, reinstall the DVD drivers:

1.	Click Start, point to Settings, click Control Panel, and then double-click System.
2.	Click the Device Manager tab, double-click the DVD branch to expand it, click the Cinemaster C WDM DVD drive, and then click Properties.
3.	On the Driver tab, click Update Driver, click Next, click Search for a better driver than the one your device is using now (Recommended), and then click Next.
4.	Insert your Windows 98 CD-ROM, click to select the Specify a location check box, type drive:\drivers\dvd\quadrant, where drive is your DVD-ROM drive, and then click Next.
5.	Click Next, click Finish, and then click Close.

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Microsoft recommends that you change the CMOS setting. Reinstalling the driver should correct the issue, but it may reoccur at a later date with other DVD discs.

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