Acer Aspire 5750Z Acer Aspire 5350, 5750, 5750G, 5750Z Notebook Service Guide - Page 154

Blank discs do not burn correctly DVD or CD play breaks up or jumps Optical drive not found or not active: Not shown in My Computer or the BIOS setup LED does not flash when the computer starts up The tray does not eject Access failure screen is shown The ODD is noisy Perform the following: 1. Boot the computer and retry the operation. 2. Use an different disc. 3. Navigate to Start Computer. Check that the ODD device is shown in the Devices with Removable Storage panel. 4. Navigate to Start Control Panel System and Maintenance System Device Manager. 5. Double click lDE ATA/ATAPI controllers. If a device shows a down arrow, right click on the device and click Enable. 6. Double-click DVD/CD-ROM drives. If the device shows a down arrow, right click on the device and click Enable. 7. Make sure that there are no yellow exclamation marks against the items in lDE ATA/ATAPI controllers. If a device has an exclamation mark, uninstall and reinstall the driver. 8. Check that there are no yellow exclamation marks against the items in DVD/CD-ROM drives. If a device has an exclamation mark, uninstall and reinstall the driver. 9. If the exclamation marker is not removed from the item in the lists, remove any recently installed software and retrying the operation. Discs Do Not Play 0 If discs do not play when inserted into the drive, perform the following: 1. Check that the disc is correctly seated in the drive tray and that the label on the disc is visible. 2. Check that the media is clean and scratch free. 3. Try an alternate disc in the drive. 4. Confirm that AutoPlay is enabled: Navigate to Start Control Panel Hardware and Sound AutoPlay. Select Use AutoPlay for all media and devices. In the Audio CD and DVD Movie fields, select the desired player from the drop down menu. 5. Check that the Regional Code is correct for the selected media: + IMPORTANT: Region can only be changed a limited number of times. After Changes remaining reaches zero, the region cannot be changed even when Windows is reinstalled or the drive is moved to another computer. Navigate to Start Control Panel System and Maintenance System Device Manager. 4-20 Troubleshooting