Can I reset my htc pd53100 without turning the phone on?

http://www.att.com/devicehowto/index.html#!/?make=HTC&model=FreestyleF5151

Turn off phone and hold the volume up button and the home button together,then turn the tablet on ( keep holding the volume up and home button ) when phone starts it will show you a secret menu, you can try rebooting it first from that menu and if it still dose not start do the same thing again but go for reset. ( this will wipe it clean,you will loose everything,so only do that as a last resort ) hope this helps

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If you've forgotten your pattern, your solution is factory reset (hard reset)
To hard reset the HTC Desire:
-Turn the power off. If your phone is frozen, pull the battery out and reinsert it.
-Hold the "Volume Down" button
-Press and release the "Power" button
-Select "Clear Storage" by pressing the "Volume Down" button
-Press and release the "Power" button
-Now simply confirm your decision: "Volume Up" for YES and "Volume Down" for NO

if you don't need any data in it, then just reset it:
-turn it off
- keep pressing Volume-Down button while powering it on until you see the recovery menu
- choose reset and restart it

When it comes to the HTC phone as with any ANDROID PHONE it has bugs the same as a computer. Try talking battery out and leave it out for about an hour, or in your owners manual it should show you how to factory reset without the phone completely booted up. If that does not work, you will need to find a corp store for your carrier, they can put them on a machine to reset them, you may lose all your saved info but it willl save your phone. HOPE THIS HELPS

Please go to the following site and follow the instructions to unlock your mobile:
http://www.gsmliberty.net/shop/htc-freestyle-unlock-codes-p-3220.html?gclid=CI3i5o6j260CFc166wod6Ukklg

you can Unlock your HTC pd 53100 with imei unlock code. it is very simple and eaisiat way to unlock your HTC pd 53100. get your HTC pd 53100 Imei Unlock Code . and use any gsm sim card.
i hope this will help you .

I called and spoke to HTC ..apaprently there are issues with some of the handsets .. and its power related ... the best this is to do 2 things to solve any number of issues....
A: Get a replacment battery, and recharge it fully without turning the phone on. So plug it in and charge it until the white pulsating light is fully lit and not 'breathing' ..as they say. Once fully charged then turn on your phone...
B: Once on ... 'hardware' reset it -  (you turn on the phone, holding the volume down button, and the hang up button and pressing the 'software reset button, at the same time)  
Should solve it ... IF it dosent .. and your getting the same issues after battery replacment, software and hardware resets ...you've basically got a 'hardware' issue with the phone in which case you need a replacment or repair... (make sure your phone is insured)
Hope that helps folks...
p.s. My phone eventually stopped charging ...nothing, no power so i sent it back for a replacment which im waiting for to arrive...

my phone did the exact same thing, they say its a system operating error, u need to goto back to where u bought ur phone and they need to request a new one for you. theres no hope for it