Code 48 problems with Windows 7 device drivers?

I have an Acer Aspire T180 Desktop that I have updated Vista to Windows 7.

I do not see the DVD drive (ATAPI DVD W DH16W1P ATA Device) in 'my computer' and can not read anything with the drive.

I get a message on the incompatibility of the driver with a code 48, but so far have found no solution on NewTech Infosystems acer or microsoft sites.

Hi Tigger Tom,

Welcome to the Microsoft Answers community.
 
If it helps, try the methods and check them off below.

Method 1:

1. click on start and then click all programs.
2. click on accessories and then click Run.
3. type regedit and then click OK.

If you are prompted for an administrator password or a confirmation, type the password, or click on allow.

4. in the navigation pane, find and then click the following registry subkey:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\ {4D36E965-E325-11CE-BFC1-08002BE10318}

5. in the right pane, click UpperFilters.
 
Note You can also see an UpperFilters.bak registry entry. You don't have to delete this entry. Click UpperFilters. If you do not see the UpperFilters registry entry, you may still have to delete the LowerFilters registry entry. To do this, go to step 8.

6. on the Edit menu, click on delete.
7. When you are prompted to confirm the deletion, click Yes.
8. in the right pane, click LowerFilters.
 
Note If you do not see the LowerFilters registry entry, unfortunately this content can't help you. Go to the section "Next steps" to learn how you can find more solutions or more help on the Microsoft Web site.

9. on the Edit menu, click on delete.
10. When you are prompted to confirm the deletion, click Yes.
11. exit the registry editor.
12 restart the computer.

For more information, visit the lisks below:
http://support.Microsoft.com/kb/314060

Method 2: To access integrated computer diagnostics:

1. click on Start, control panel
2. in Control Panel, click system and security
3. in the window system and security, in the center of the Action, click the common computer problems troubleshooting
4. in troubleshooting computer problems window, click a specific task to diagnose and fix a problem automatically. To view more troubleshooters, click a category.

Method 3: You can also try the steps of troubleshooting (filter drivers that can be loaded) provided in the material provided below.

http://support.Microsoft.com/kb/929461 (this article can also be used for vista, but can also be used for windows 7)

The following explains the error code number, as this article is published under Windows XP, but Device Manager error codes remain same for Windows 7
http://support.Microsoft.com/default.aspx/KB/310123 (you can also try the troubleshooting provided steps)
 
Hope this information is useful.
Let me know if it worked.
 
Thank you, and in what concerns:
Umesh P - Microsoft Support

Tags: Windows

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