Lenovo ThinkPad SL510 is not booting and there is no BIOS beep

[celestiall]

I am having Lenovo ThinkPad SL510 and it was working fine by now but then it has suddenly started not booting and I am not having access to the bios or boot menu as well, I have tried resetting the cmos as well and even it did not helped. I just wanted to know if there is anyone who has faced the same and can suggest me a workaround for the same.

[akkiiii]

I am having Lenovo ThinkPad SL510 and it was working fine by now but then it has suddenly started not booting and I am not having access to the bios or boot menu as well, I have tried resetting the cmos as well and even it did not helped. I just wanted to know if there is anyone who has faced the same and can suggest me a workaround for the same.

I am not very sure but then I just wanted you to try out the hard reset method, where you have to take out the battery as well as the ac adapter and after that press the start/off button ten time and that too within 30 sec and after that reboot the machine, if you have not tried the same then try it out and then let me know if it is helping. Other than this you can also try to re-flash the bios , just try these things and see if it is making any difference.

[celestiall]

I have tried out the battery and push the start/off button process that you have tried out the same, I have tried resetting the cmos but then I am not aware of what you mean by flashing the BIOS, can you explain the same in detail??