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QUANTA AM9A Skylake 6th

Dell 15-7559
DAAM9AMB8D0 REV D
AM9A DELL PN:1P4N7
The computer does not see any USB. No short circuits or low resistances on the lines between the I/O board sockets and the TPS2546 chip. USB power supply voltages are present.
Could it be a BIOS or EC issue? KBC was replaced because it had a short circuit.
 
Dell 15-7559
DAAM9AMB8D0 REV D
AM9A DELL PN:1P4N7
The computer does not see any USB. No short circuits or low resistances on the lines between the I/O board sockets and the TPS2546 chip. USB power supply voltages are present.
Could it be a BIOS or EC issue? KBC was replaced because it had a short circuit.
USB I think you need check chipset.
 

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