Sorry but as there is no mention of HDD make, model, RAM and more all I can offer is that you may want to be sure it has 4GB RAM and try some SSD drive. Then again I find folk install what we call TOXIC COMBINATIONS and some won't remove what we see. If you want to complete your post, just add details.
My HP Probook 6550b running on win 7 takes about ten minutes to load OS. I have tried system restore but it doesn't work.
I did sfc/scannow with no result. But when the system finally loads. It runs normally.
Please i need help on how to make it to load os faster as it used to do.