Adding hardware such as a disc drive (e.g. CD-ROM or DVD), modem, mouse, network card, printer, sound card, or speakers are not required, but give the computer additional functionality. 1  How to install computer hardware.
Retroactive Payments. The SSDI retroactive payments are payments made to disability applicants for the time passed between the onset of the disability to the date that the application was passed. Retroactive payments are paid for 12 months prior to the date of the application being passed.
Unfortunately, though, the Social Security Administration does not make retroactive payments after a period longer than six months. If you wait more than six months to claim Social Security death benefits, you will not be entitled to back payment for the time over six months.