Blank screen only vibrates

[Soltakr]

Hello

Phone was being used then went blank.

Samsung Note 20 Ultra 5G, note sure what SW versions.

Phone vibrates when connected to a charger.

PC beeps if connected to phone.

(Under Device management shows up as Samsung Mobile USB Composite/Connectivity Device V2)

Dex doesn't recognise phone being connected.

Smart switch doesn't recognise the phone being connected.

(Using emergency software recovery and initialisation doesn't show up, using initialisation says please check connection. Emergency recovery asks fo code I do not know)

Power and Volume down 20sec just vibrate once

Power and Volume up and long vibrate

Both black screen

No Physical damage just scratched screen.

Phone connected to wifi says router/find my phone only shows last connection on timeline.

Calling phone just rings out

Not sure what steps to take now

Thank you

[Kalledq]

This is the exact same issue Im having at the moment. Phone screen became insanely laggy for ~3 seconds and then went full black. Its vibrating but the screen is black. This just happened around 2 hours ago so I hope it will fix somehow

[Soltakr]

Any update mate?

[Dipo Orims]

Sorry to hear this happened to you too. The fone is still fully functional, it's just that the screen won't come on. I used a USB C to HDMI Adapter, recommended by @Soltakr . And I have been able to access my data and do a full backup. 

[Dipo Orims]

The screen remains off, but I have backed up my data and continue to use the phone occasionally with the adapter you suggested. I'm still hopeful that the screen will turn on again in the future. Thank you once more!

[Members_YOzs3g5]

Hey there

I Have the same problem with my s10e. Did you fix tours?

[anehta]

i had exact the same problem. leave the phone for weeks now.  nothing helps....

[Soltakr]

Have you tried connecting to external monitor or tv?

[anehta]

Yes, I did connecting to both monitor and PC. It just shows the digital clock flying from one side to another. As if it's not activating dex. (If I do the same from another samsung phone, the dex will automatically pops up and ask to click start at the phone).

I know it really connect as the monitor shows something connected but I can't do anything 

[Soltakr]

Use a keyboard and try any short cut. Use a dongle to do this .

[Soltakr]

I used this. Also I traded my S20 for S22 Ultra. I have 22 and 24 now so long gone. Think I had S20 for few months after problem and it never happened again.