To format a computer means that all your data will be lost. Your operating system, programs, emails, drivers, pictures, everything! All of the updates on your programs will be gone, infarct the every entire program will be gone.
This drop in TSH is an attempt to return circulating thyroid hormone levels to normal. So, a test to measure the amount of TSH in your system will usually show lower than normal TSH when the thyroid is overactive. So, in general, LOWER TSH = OVERACTIVE THYROID / HYPERTHYROIDISM.
Many people have symptoms of low thyroid function even when their TSH is well below the upper level of the standard reference range. A debate ensued between conventional MDs, physician members of the American Association of Clinical Endocrinologists, and the National Academy of Clinical Biochemistry.