Possibly the indication of a hardware fault was the errors you were finding on the files system.
Normally if Puppy fails to load, unless there is an error on the CD, a faulty burn, or an error on the CD drive, not reading correctly, OR it is inidicative of a hardware error on gthe computer.
Puppy runs in RAM, so that is one area we must examine.
Before we proceed to that, would you please reassure yourself that the CD will boot another computer and load.
Follow the same procedure please boot from the CD
If that Puppy will not boot another computer it is the CD itself
If it will it is either your CD drive or other hardware in your computer.
If it WILL not boot another computer - try this Puppy
You must use the ISO burning program again.
After you have done that we will proceed to check your memory and the HDD