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‎07-11-2016 07:14 PM

HP Recommended
Product: HP 640 G1 i5
Operating System: Microsoft Windows 7 (64-bit)

Hi, my company laptop (HP 640 G1) was working fine yesterday. this morning when I tried to power it on, it was not working. I removed the laptop from the docking station and tried, same problem. I removed the battery and tried with power adaptor only, same problem. I inserted the battery back and tried, same issue. I removed the RAM and reinsert still same issue. I tried different power adaptor but same problem. Is my laptop mainboard faulty?

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