How to open the back of a toshiba 10.1 tablet encore2

Click and hold and sometimes there will be a little trachea not in settings then drag it to the trash

Linda, if it is the charge port, mini USB, yes they can be fixed or replaced by cell phone/computer repair shop.
Check the attached links videos showing port replacement. Good luck.
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Android tablet charging port fix
Toshiba Tablet AT300SE AT305SE Charging Port Repair
Samsung Galaxy Tablet 10 1 Tab 3 10 1 P5200 P5210 Micro USB Port Replace HD

Most likely it is dead. If you tried a real factory reset, then just look for another tablet. Toshiba is not going to help you as, from my experience, they do not care after they sell you the prodcut and it gets out of warranty.

Consider Samsung.

you do not say which version of Excite tablet you have, but this might get you going in the right direction:
Toshiba 10W Global AC Adapter for Excite 10 SE Excite Pure and Encore...

Maybe this will help

http://androidtipguys.com/forum/what-do-if-forgot-password-toshiba-excite-tablet-2427.html

There is no way around it. You will have to do factory reset.

i forgotten how to get into my tablet i used the dots as my password and forgot how to get in

i had the same problem, then i look for toshiba viturle sound wont work so try to install soundmax AC'97, coz R10 used Intel 82801DBM board. just search for intel 82801DBM Drivers