HP hx2190b unlock problem

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1. My pda now lock mode


2. Never don't change unlock mode
3. Click unlock button then came white screen


4. While don't plug Sd, MMS card in my pda. Memmory size don't normal.

Anything don't take hard reset and soft reset.
Pc don't see my pda
Please help me. I don't anything

Please help me!

MAte,
no one is helping because we dont understand your problem.
try going 1 by 1 step by step.

Re-flash

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Download the latest ROM from HP web and flash it again