DVD-brännare och en hdd fattas i Vista

DVD/CD Missing
Step 1: Start Registry Editor
Click Start, click Run, type regedit, and then click OK. Registry Editor starts.
Step 2: Delete the UpperFilters registry entry
1. In Registry Editor, expand My Computer, and then expand
HKEY_LOCAL_MACHINE.
2. Expand SYSTEM, and then expand CurrentControlSet.
3. Expand Control, and then expand Class.
4. Under Class, click {4D36E965-E325-11CE-BFC1-08002BE10318}.
5.
In the right pane (topic area), click UpperFilters.
Note An UpperFilters.bak registry entry may also appear. To delete the UpperFilters
registry entry, you must click UpperFilters and not UpperFilters.bak.
6. On the Edit menu, click Delete.
7.
When you receive the following message, click Yes to confirm the deletion of the
UpperFilters registry entry:
Are you sure you want to delete this value?
The UpperFilters registry entry is removed from the {4D36E965-E325-11CE-BFC1-
08002BE10318} registry subkey.
Note Do not exit Registry Editor. You must have this program for the next step.
Step 3: Delete the LowerFilters registry entry
1. In Registry Editor, expand My Computer, and then expand
HKEY_LOCAL_MACHINE.
2. Expand SYSTEM, and then expand CurrentControlSet.
3. Expand Control, and then expand Class.
4. Under Class, click {4D36E965-E325-11CE-BFC1-08002BE10318}.
5.
In the right pane (topic area), click LowerFilters.
Note An LowerFilters.bak registry entry may also appear. To delete the LowerFilters
registry entry, you must click LowerFilters and not LowerFilters.bak.
6. On the Edit menu, click Delete.
7.
When you receive the following message, click Yes to confirm the deletion of the
LowerFilters registry entry:
Are you sure you want to delete this value?
The LowerFilters registry entry is removed from the {4D36E965-E325-11CE-BFC1-
08002BE10318} registry subkey.
8. Exit Registry Editor.