Hi there,
Follow the steps below:
- Open Disk Cleanup by clicking the Start button
, clicking All Programs, clicking Accessories, clicking System Tools, and then clicking Disk Cleanup. - In the Disk Cleanup Options dialog box, choose whether you want to clean up your own files only or all of the files on the computer.
If you are prompted for an administrator password or confirmation, type the password or provide confirmation. - If the Disk Cleanup: Drive Selection dialog box appears, select the hard disk drive that you want to clean up, and then click OK.
- Click the Disk Cleanup tab, and then select the check boxes for the files you want to delete.
- When you finish selecting the files you want to delete, click OK, and then click Delete files to confirm the operation. Disk Cleanup proceeds to remove all unnecessary files from your computer.
Make sure while selecting the drives, select D: Drive.

Desktop search for "disk"
Figure C 
Initial Disk Cleanup dialog screenThenext dialog screen wants you to make a drive selection. (
Figure D)
Figure D 
Choose a driveAfter youchoose your drive, the tool calculates the potential space savings that can beachieved. (
Figure E)
Figure E 
Calculating space savingsOncethe analysis is complete, the Disk Cleanup tool gives you a list of potentialspace saving file deletions it can make. The list includes the usual suspectslike Temporary Internet files, but it also includes more obscure files like thehibernation file. (
Figure F)
Figure F 
Disk Cleanup analysisOne ofthe largest files on my laptop was the System queued Windows Error Reportingfiles. These files were generated during the month I was operating withoutVista approved wireless 802.11 LAN card drivers. Thankfully, those bad days arebehind me and I can regain over 25 Mb by deleting those files. (
Figure G)
Figure G 
Regaining 342 Mb