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.
If your birthday is December 15th and you are already over age 62, your first payment should arrive on the third Wednesday of the month following the month in which you apply. (If you're already on Social Security, or receive both Social Security and SSI payments, you may receive them on a different date.)