To TheChas not enough volume D Drive

Hi
In regards to your last message asking me if i have Hi TheChas here is the info needed to help with my problem. Thanks for this help much appreciated.
on D drive i have program files, cpqdrv,cpqs data,config Dos batch file, cto text doc, y70.sku.
I used to use my laptop for work but now only use for personal use. Do not know if some of the files where not erased when laptop rebooted with my personal programs and files.
Yes i do also have a C drive capacity 17,067,421,696 bytes,15.8GB
Used space = 4’806,942,720 bytes, 4.47GB
Free space = 12,260,478,976 bytesl,11.4GB hope this is enough info to help
Thanks
Diane