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.
Keep in mind that for Social Security Disability Income (SSDI), there is a mandatory five-month waiting period from the date that Social Security determines your disability began (your onset date) to when your monthly payments can start.eep in mind that for Social Security Disability Income (SSDI), there is a mandatory five-month waiting period from the date that Social Security determines your disability began (your onset date) to when your monthly payments can start.