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- Tue Dec 10, 2019 10:51 pm
- Forum: Video (VGA) and other BIOS/Firmware
- Topic: BIOS isn't recognizing serial and mtm numbers
- Replies: 1
- Views: 3885
BIOS isn't recognizing serial and mtm numbers
I purchased Lenovo L340-15IRH gaming laptop recently. Over time I was experiencing coil whine so I decided to replace the motherboard. The service replaced the motherboard but the coil whine didn't stop, but that's another story. The problem is that BIOS is showing me the invalid serial number, inva...