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| Lenovo b50-30 (LA-b102p) Usb's Don't work https://vlab.su/viewtopic.php?f=58&t=71274 |
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| SpinNNN [ 27 янв 2018, 16:43 ] | |
| Заголовок сообщения: | Lenovo b50-30 (LA-b102p) Usb's Don't work [РЕШЕНО] |
Hey guys I have this machine and the usb's don't work. i have 5v and I already checked the bios and it does not appear.. i Try to reprogram Bios but same problem. Can be a dead processor?? Any one can help me?? thank you |
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| aspirant [ 27 янв 2018, 16:52 ] | |
| Заголовок сообщения: | Re: Lenovo b50-30 (LA-b102p) Usb's Don't work |
Check Dataline if fault on these lines then you have 99% CPU dead |
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| IOD [ 27 янв 2018, 16:57 ] | |
| Заголовок сообщения: | Re: Lenovo b50-30 (LA-b102p) Usb's Don't work |
Check the resistances on the lines -D, +D USB with GND. |
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| SpinNNN [ 29 янв 2018, 14:17 ] | |
| Заголовок сообщения: | Re: Lenovo b50-30 (LA-b102p) Usb's Don't work |
Thank you guys for reply.. Usb's 2.0 i have 2,9ohm in -D, +D Datalines... And i have a short to ground in bougth pins. i think CPU is dead?? |
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| IOD [ 29 янв 2018, 14:54 ] | |
| Заголовок сообщения: | Re: Lenovo b50-30 (LA-b102p) Usb's Don't work |
SpinNNN писал(а): i think CPU is dead?? yes |
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| SpinNNN [ 29 янв 2018, 21:01 ] | |
| Заголовок сообщения: | Re: Lenovo b50-30 (LA-b102p) Usb's Don't work |
Thank you, i will replace a cpu and after i post the results. |
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