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.
through the negative feedback loop of tsh levels this should actually lower your tsh and eventually get your hormones back on track this can take anywhere from 1 to 3 months depending on your initial test results and the dosage of thyroxine you are taking