[Q] my galaxy s2 doesnt swich on - Galaxy S II Q&A, Help & Troubleshooting

hello every body
I have Samsung galaxy s2 rooted
I have installed go launcher ex v3.19 with some widgets
after that my phone freeze then I remove the battery and put it back
i try to turn my phone on nothing happened it doesn't work on download mode and also recovery mode and
even if i connect the charger it still black but the phone be hot
what is the problem?
can I fix it ?

Did you do anything else right before the installation of the launcher? No rooting, no new rom, no wiping, etc?

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Hi there i have rooted my S2 but i have problems.
Some apps(non GPlay and GPlay) when i open app WiFiKill and after use when i try to turn it off my phone screen goes off then reboots.
I don know whats happeing same was whit FreeDiYoutube downloader and happend when i was on stock and unrooted using HD Widgets from GPlay.
On my mothers X10i works whitout problem never crashed or rebooted.
Here is logcat:
http://www.2shared.com/document/4iZXUsDR/2012-07-07-15-42-35.html
Heres screenshot when i pull out battery on reboot:
http://i.imgur.com/VVAaf.jpg
Here is video:http://www.youtube.com/watch?v=T2Ic5hENmJ4
My phone runs this ROM http://forum.xda-developers.com/showthread.php?t=1403044
Cheers

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