Assuming you have the user manual (either hard copy or downloaded), what does it say about recovery and especially about what the pin hole for reset does? Could it be that it resets the tablet to factory mode?
If no luck with reset, consider the option that it's just defective. Repair outside warranty might be more expensive than buying another tablet, but that's for the shop or their customer service or the repair tech to tell you.
No need to be desperate if there's nothing on it that you want to keep or if you were prepared for failure by having a good backup.
Then all you lost is a device that was too cheap and inferior to start with. I see it offered for 90 euro, so it can't have been more than 80 dollar in the USA.
I have Point of view P1046 tablet. It doesnt want to boot. Just stay on android welcome screen for a while then shows black screen. How can I boot into recovery mode? There is no volume buttons, only power, esc and pinholle for reset. Adb recovery via pc doesnt work, adb devices list is empty.
Help me please, I am desperate. Sorry for my bad english.