Use the following steps to help determine if discs or the drive need further attention:. If an AutoPlay window opens, the drive is able to read the disc.
The data stored on the disc may still be bad, but an AutoPlay window proves that the drive can read data on the disc. If nothing happens or the computer stops responding, the laser is unable to read the initial startup information on the disc. Press the eject button to retrieve the disc and unlock the computer. Try more software CDs to get an idea for how the drive is functioning.
Insert at least three more software discs in the same manner. Use discs that are in good condition and are known to work in other drives. Note what happens. If any discs fail to open, set the failed discs aside. If all discs pass, the drive can read the startup data on the discs and the drive is good. Bad data, scratches, or smudges on discs is preventing the drive from reading the data. Repair or replace the bad discs. Use discs from different manufacturers and recording labels. This can help determine if the drive has a problem reading certain types of disc formats.
Once you have tested several types of discs, try using the failed discs in another drive in another computer to see if they can be read. If the discs fail in another drive on another computer, the discs are probably bad. If the discs can be read in the other computer, continue using these steps to troubleshoot the drive. Confirm that the drive can read discs from a command prompt. Use the following steps to test the discs and the drive from a command prompt:. Click cmd. Figure : Opening Command Prompt.
Figure : Command Prompt. Insert a disc that contains files into the drive that is having the problem. Use a type of disc that is not being recognized in the drive. Good discs to use are game or software discs that were purchased from a store. Do not use music discs. Press Enter and look at the list. Figure : List Volume. Type Exit and press the Enter key to return to the command prompt.
Type the drive letter for the drive that contains the disc followed by a colon :. For example, if the drive letter was listed as E in the diskpart list, you would type the following: E:. Press the Enter key, and then enter the following at the new command prompt: dir. A list of files and folders should display on the screen.
Note whether or not the list displays for the disc. Press Enter and type the following at the new command prompt: dir. If a list of filenames and folders is shown on the screen, the disc data is recognized by the drive.
The issue is not likely related to the drive or the disc. It is probably related to the software configuration in Windows. If you attempted the recommendations above, boot from the Windows disc to see if the computer can detect and boot from the disc. If the computer can boot from the disc, you are encountering a Windows driver related issue.
Try the above recommendations again. Additional information on bootable disks is on our boot disk page. If you are using Windows 98 or Windows 95, verify the computer is running in bit mode by clicking Start , Settings , Control Panel , double-click System , and click the Performance tab.
Under Performance by File System , verify it says 'bit'. Note You may also see an UpperFilters. You do not have to remove that entry. Click UpperFilters only. If you do not see the UpperFilters registry entry, you still might have to remove the LowerFilters registry entry.
To do this, go to step 7. In the right pane, select LowerFilters. Note If you do not see the LowerFilters registry entry, go to the next method. Note : To use this method, you must be logged on to Windows as an administrator. To verify that you are signed in as an administrator, bring up the Control Panel, select User Accounts , and then choose Manage User Accounts.
Follow the steps in this section carefully. Serious problems might occur if you modify the registry incorrectly. Before you modify it, back up the registry for restoration in case problems occur. If so, try uninstalling and reinstalling the affected app. Check with the creator of the app to see if there is an updated version.
Type regedit in the Run box, then press Enter. Right-click atapi , point to New , then select Key. Right-click EnumDevice1 , select Modify Type 1 in the Value data box, and then select OK. To use this method, you must be logged on to Windows as an administrator. This method should be used on Windows 7, Windows 8 or 8. Important: Follow the steps in this method carefully. Windows 10 Windows 8. Method 1: Windows 7 and 8. For Windows 10, skip to Method 2.
In Windows 7 and 8. Type control in the Run dialog box, then press Enter. Restart the computer. On the Edit menu, select Delete. When you are prompted to confirm the deletion, select Yes.
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