HP ProDesk 400 G1 Micro Maintenance and Service Guide ProDesk 400 G1 Microtowe - Page 194
To access Device Manager in Windows 8, from the Start, Cannot eject compact disc tray-load unit.
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Movie will not play in the DVD drive. Cause Movie may be regionalized for a different country. Decoder software is not installed. Damaged media. Movie rating locked out by parental lock. Media installed upside down. Solution See the documentation that came with the DVD drive. Install decoder software. Replace media. Use DVD software to remove parental lock. Reinstall media. Cannot eject compact disc (tray-load unit). Cause Disc not properly seated in the drive. Solution Turn off the computer and insert a thin metal rod into the emergency eject hole and push firmly. Slowly pull the tray out from the drive until the tray is fully extended, then remove the disc. CD-ROM, CD-RW, DVD-ROM, or DVD-R/RW drive cannot read a disc or takes too long to start. Cause Solution Media is corrupt. Try different media to confirm whether media is valid. Media has been inserted upside down. Re-insert the media with the label facing up. The DVD-ROM drive takes longer to start because it has to determine the type of media played, such as audio or video. Wait at least 30 seconds to let the DVD-ROM drive determine the type of media being played. If the disc still does not start, read the other solutions listed for this topic. CD or DVD disc is dirty. Clean CD or DVD with a CD cleaning kit, available from most computer stores. Windows does not detect the CD-ROM or DVD-ROM drive. 1. Use Device Manager to remove or uninstall the device. To access Device Manager in Windows 7, click Start, select Control Panel, and then select Device Manager. To access Device Manager in Windows 8, from the Start screen, type c, select Control Panel from the list of applications, and then select Device Manager. 2. Restart the computer and let Windows detect the CD or DVD driver. 184 Chapter 8 Troubleshooting without diagnostics