Sanelxx

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#1
Hi there I hope someone can help me with fixing this issiue

Symptoms

My Alienware x15 r2 stopped working, which is around 2years old.
power light and keyboard turns on, power lights give 2red and 3 blue lights,
screen stays black

From dell error codes it says this is error
2,3No memory or Random-Access Memory (RAM) detected

after disassembling and removing battery removing any electricity left with power button on without psu connected, the same symptoms.

After removing the motherboard and disconnecting all cables , only psu kabel and display cable connected , it powered on and showed bios recovery screen

But the thing is, since USB and keyboard wasn't connected I couldn't perform the reset. So after shutting down the system and reconnecting keyboard cable the system stay black screen again, then I removed all cables again and only display plus psu connected as before, the screen is still black and not comming into bios recovery no matter how many times I try.

I Couldn't find any schematics for the board to try diagnose it any further,

I was thinking of trying to do bios reprogram with my programming tool but I noticed there are around 3-4 winbound chips and I am not certain which one is actually the main bios one or if I could find a working dump for this system

the motherboard is LA-L611p
With i7

Any help is truly appreciated
 

Sanelxx

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#5

Sanelxx

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#7
ONLY BIOS YOU NEED TO PROGRAM IN THE PIC
UC2
25X256
Thank you so much, I will buy the dump image from you ofcourse, I just wonder if I will be able to program it with the tl866a programmer, cause I couldn't find the chip id in the mini pro programmer. If it's not possible with 866a can u recommend me which programmer I should order for this job?
 

Sanelxx

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#8
And sorry for the questions, I am normaly not so careful but this laptop costed me 1700 I don't want to make mistakes
 

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#11
I know bro, but do u know if I can program it with tl866a or is it too old for this chip, I can't find the chip in program selection
CHECK THE BIOS CHIP PIN NUM 8
IF THE VOLTAGE 3V YOU CAN PROGRAM IT WITH YOUR MINIPRO
IF 1.8V YOU NEED AN ADAPTER FOR YOUR MINIPRO
THE NUMBER OF THE CHIP IS NOT IMPORTANT AS LONG AS THE VOLT IS SUPPORT BY THE PROGRAMMER OR WITH ADAPTER , SO YOU CAN CHOOSE ANY CHIP WITH SAME SIZE 256
 
Last edited:

Sanelxx

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#12
Hey alex
CHECK THE BIOS CHIP PIN NUM 8
IF THE VOLTAGE 3V YOU CAN PROGRAM IT WITH YOUR MINIPRO
IF 1.8V YOU NEEN AN ADAPTER FOR YOUR MINIPRO
THE NUMBER OF THE CHIP IS NO IMPORTANT AS LONG AS THE VOLT IS SUPPORT BY THE PROGRAMMER OR WITH ADAPTER , SO YOU CAN CHOOSE ANY CHIP WITH SAME SIZE 256
After connecting to the tl866 programmer I can get the chip id, but reading chip is not working with id check box on, only after disabling check box can I read it, after saving the dump file it gives only around 1 mb

Here are pics:
 

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#13
W2508 ITS 8MB CHIP IT WILL GIVE YOU 1MB FILE
you sould read it with w25q256 its 256MB chip it will give you 32mb file

the chip size divided by 8 will give you the file size
 

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