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.
High TSH - High levels of TSH are typically caused by an underactive thyroid or hypothyroidism. This is typically caused by Hashimoto's thyroiditis. If you are already being treated for a thyroid disorder this can be a sign that you need to increase your medication.