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nishanthm

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Hi,

Laptop Model: Idea pad
L340-15IWL

Motherboard Model:
FV741/FV540/FG5NO
FG540/FG548/FG740

Problem:
1. Power LED solid GLOW after Power up....
2. No Display
3. Fan is Running


Voltages Level:
+5VALW --> OK
+3VALW --> OK
+VCC_GT --> 640mV
+CPU_CORE --> 705mV
+VCCSA --> 0.8V
+1.2V --> OK
+1.05VALW --> OK
+USB_VCC1 --> 5.106V
Battery Charging -->OK



What will be the issues... Help me out this problem.... Is that BIOS Flash or any Power Issues...?



Regards,
Nishanth M
 

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Lenova L340.jpg
you need try BIOS before
I am trying to enter the Bios while startup (F2 Key) No display.
Display itself not turning at startup....Even I press NUM LOCK Key, LED of the NUM LOCK is not responding...

Help me to how to solve this problem...

Regards,
Nishanth M
 
I am trying to enter the Bios while startup (F2 Key) No display.
Display itself not turning at startup....Even I press NUM LOCK Key, LED of the NUM LOCK is not responding...

Help me to how to solve this problem...

Regards,
Nishanth M
need Programming BIOS new
 
same problem is BIOS good, next Please check hardware.

I checked all the voltage levels.. it seems to be fine...
Is there any protection signal is blocking the processor to work...

Voltages Level:
+5VALW --> OK
+3VALW --> OK
+VCC_GT --> 640mV
+CPU_CORE --> 705mV
+VCCSA --> 0.8V
+1.2V --> OK
+1.05VALW --> OK
+USB_VCC1 --> 5.106V
Battery Charging -->OK

please help me to solve the problem...

Regards.,
Nishanth M
 

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