Mobile is not switching on

i have a htc desire 628 phone

i flash a stock rom 2PVGIMG_V36BML_DUGL_L51_DESIRE_SENSE70_HTC_India_SEA_1.17.400.1_492560_combined_signed_2_4.zip

but after flashing by sp tools, my phone don't power up & also don't charge.

But if connect by charger the indicator light up.

And my pc detects the phone only for 2-3sec

Than i again flash other stock rom 2PVGIMG_V36BML_DUGL_L51_DESIRE_SENSE70_HTC_Europe_1.17.401.2_Radio_0.1524V28P45.0504.0422_1_release_488427_signed_MT6753_Hboot_2_4

but my phone don't power up

please help