Restore Points: Windows regularly creates restore points, which contain the PC's settings from a particular day. (In the event of PC trouble, you can return the PC to the settings it had at the last restore point.) However, each new restore point can add hundreds of megabytes of data to your hard disk, and that may have caused the incremental data increase you've been seeing. To counteract that, you can reduce the storage space available for restore points, or you can erase most or all of the existing restore points (see tinyurl.com/z8ml2qe).
Hard drive flaws: If the hard drive's file system software becomes corrupted, it may falsely report that some storage space on the hard drive is filled, when in fact that space is empty. That could account for your drive's apparent data increase. Try to fix the file system by running the Windows 7 "chkdsk" (check disk) software (see tinyurl.com/ze35pnr).
Q: I bought a desktop PC that has both a solid-state drive (SSD, a computer chip memory device) and a traditional hard drive. The SSD is running out of storage capacity. What files should I transfer from the SSD to the hard drive to free up space? Does Windows 10 know which drive to look on for the files it needs?
Jim Diffendal, Wyomissing Hills, Pa.
A: Your PC allows you to store frequently used files and programs on an SSD that has fast data retrieval time, but minimal storage. Everything else goes on the hard drive.
Eventually, the SSD runs out of space, forcing you to transfer some data or programs to the slower hard drive. Because any SSD programs will have to be reinstalled on the hard drive — and will run more slowly there — it’s easier to move data. Start by copying the contents of the Documents, Music or Pictures folders to the hard drive, but leave the empty folders on the SSD to be filled with new data.
Don’t tamper with the SSD’s Windows files, which start the PC faster than if they were on the hard drive. The PC will look for those files on the SSD.
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Steve Alexander covers technology for the Minneapolis Star Tribune. Readers may write to him at Tech Q&A, 425 Portland Ave. S., Minneapolis, Minn. 55488-0002; email: email@example.com. Please include a full name, city and phone number.