How to change display resolution which is lower resolution than the resolution that the monitor can show with the system in UEFI mode.

Solution Verified - Updated -

Issue

  • The display resolution with the system booted as UEFI mode in GUI session is lower than the resolution which the monitor can show.
  • In BIOS mode, the resolution is the highest resolution.

Environment

  • A system booted as UEFI mode
  • MGA G200e Pilot
  • RHEL6

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