No dock after booting Ubuntu 20.04 LTS

Asked by Luis M.Jacinto

Today after booting notice my top bar complete different and there is no Dock at left side of the screen.
Clicking on Top Bar Activities Dock the screen darkness and open Applications
Searching found on Tweaks > Extensions they are all greyed.
Please help to correct this
Thank you

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Solved by:
Luis M.Jacinto
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actionparsnip (andrew-woodhead666) said :

If you boot an older kernel, is it different?
Does the system have a make and model?

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Luis M.Jacinto (ljacinto) said :

First time I boot older kernel got this warning:
Sorry, Ubuntu 20.04 has experienced an internal error.
Still the same
Second time it boot but still the same

Motherboard: ASRock H81M-DGS
Processor: Intel® Celeron(R) CPU G1840 @ 2.80GHz × 2
Memory: 8GB

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Bernard Stafford (bernard010) said (last edit ):

Check to see if you have the Dock set to Auto Hide. Right click screen -> Settings -> Appearance -> Check the Dock settings. Their is a slide button to turn on and off Auto Hide the Dock.

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Luis M.Jacinto (ljacinto) said :

Yes it was ON How it got like that I don't know.
Thank you for the help