Closed Help! acer e5-473 no display. status other fan spinning so speed

[Jkiller1225]

Hello there

I have repair

Unit Model: Acer E5-473G-304W
MOBO MODEL: A4WAB LA-C341
REV: 1.0
2015-01-28

STATUS: NO DISPLAY / FAN SPINNING SO SPEED/ BUT CAN TURN OFF

I check The 3.3V ALW and 5 VALW Present.

I Check +1.05VSDGPU Memory and VGACHIP Ok Have Volt.

I try to Flash the ROM Bios. But Still Not Luck.

I try also to Download here a Bios File same Of This Model But Not Luck.

fan spinning full of speed. have no idea what's wrong. all voltage checked good. but processor and chipset not even hot.

Any Idea how to fix this. Thanks

 

[AVOITIX]

Try to reset the bios battery just jumper the connection and hayaan mo lang mag unaga tapos try mo e on ulit

 

[Jkiller1225]

Try to reset the bios battery just jumper the connection and hayaan mo lang mag unaga tapos try mo e on ulit

Try kona din boss wala padin.

 

[AVOITIX]

Try kona din boss wala padin.

Hmmff. Try tk remove the ram tapos start mo and pati hdd nya

 

[yokzkidbest]

malamang cpu na yan boss.