Reset bd d6900 - Samsung BDD6500 Bluray 3D Player

Question edited for clarity and order, 'make model (what it is)' and toss in some CAPS.
Question moved from Cellphones to make model category.

https://www.manualslib.com/manual/834092/Samsung-Bd-H6500.html?page=50

Reset. ALL settings will be reset.
• When the factory default settings are restored, all stored user BD data will be deleted.
• factory default settings are restored, all stored user BD data will
be deleted.
• Press the button Eject (on top panel) for more than 5 seconds with no disc inside. The initialization message appears on the screen, and the player turns off automatically. When you turn your product on again, all the settings will be reset.
Don't use this unless absolutely necessary.
• When the factory default settings are restored, all stored user BD data will be deleted.

How to Reset a Samsung Blu-Ray Player - Support.com

Support.com https://www.techsolutions.support.com > how-to > ho...

1 Factory Reset · Make sure there is no disc in the player. · Press and hold the Eject button on the device for at least 8 seconds. · On the screen you will see a ...

..

This can be an issue with the Timing Control circuit board, but that is just an educated guess.

Not sure if this will help

Reset
The Reset function initializes all downloaded
widgets, erases all user accounts and settings
from the product, and resets all Smart Hub settings
to the factory default settings. It then restarts
Smart Hub as if it were starting for the first time.
Your account, however, remains on the Smart Hub
server. To log into your account, enter your ID and
password on the Create Account screen.
To use the Reset function, follow these steps:
1. In the Settings menu, select Reset, and then
press the ENTER button.
The Reset screen appears.
2. Enter the your Security password. This is the
password you entered if you set up a BD or
DVD Parental rating (See pages 51~52). If you
did not, enter 0000.
Samsung BD D8900M User Manual

This isn't the place to search for hacking blu ray player region codes. But the easy solution is to use a BD drive in a computer, you're allowed a limited number of region codes resets.

Try resetting to factory default

often a reset will solve the problem. google your make and model no how to reset.

On the Staples Scientific Calculator BD-107i, I can't find the fraction function. I don't think there is one.

All these people with their unlock code solutions for the Samsung BD-D6900 player have obviously NEVER SEEN ONE!
For a start there is no tray to open and close, only a self loading slot.
So NONE of their solutions are related to this player.

the hdmi output generally needs activating through the menu system. im assuming you havent already done this.
connect it with whatever cable works and navigate through to the menu system to select the hdmi output.
failing that it might be the hdmi cable is an older cable not capable of supporting ver1.3

I believe on startup, you need to hold the fast-forward button on the unit, until you see something about reset in progress...