Hi guys!. I have this Asus motherboard Wich back usb ports stopped working suddenly . I connect something and is not detected , just receives power but nothing appears in OS. I checked with multimeter in a working USB and I have 5v ,gnd and 0.025-0.030mv from data lines . Tested in the ones that are not working and I got same measures except for data lĂneas Wich are lower , about 0.010 MV or less . I think I have some failed "filters" ics Wich are marked as 027 30ECG but I didn't find any matches . Does anyone knows what are and what part number is needed please?. Thanks !
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Asus z87 pro back USB ports not working suddenly
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Asus z87 pro back USB ports not working suddenly
Last edited by Dark Knight_TJ; 02-13-2022, 03:47 PM.Tags: None
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Re: Asus z87 pro back USB ports not working suddenly
Hi,
Can you please post the number of the isolator ICs ?
If you are adventurous, you can switch the same IC from a working USB port to the non-working one and see if it works. Another option is to take the D+ D- (for USB2) before the chip, connect to a USB connector and see if there is any communication.
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