Are you trying to for a software reload, or are you troubleshooting a specific hardware error message ? GE Vivid E9 BIOS Password - MedWrench

However, the situation with the Vivid E9 is nuanced.

: Some users report using the Delete key during boot-up to enter the BIOS interface directly. Troubleshooting Login Failures

If you search online forums or biomedical discussion boards, you may find references to generic passwords or backdoor codes. It is a poorly kept secret in the industry that large manufacturers often utilize standardized service passwords for their field engineers.

Before attempting any advanced recovery, try these known default passwords. GE has used several factory defaults across different Vivid E9 hardware revisions (Vivid E9, E9 v2, E9 with XP, E9 with Win7).