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| Lenovo Legion 5-15ACH6H (NM-D562 rev:2.0) no pictures after flash bios https://vlab.su/viewtopic.php?f=58&t=134071 |
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| pcexpert8 [ 11 апр 2023, 18:55 ] | |
| Заголовок сообщения: | Lenovo Legion 5-15ACH6H (NM-D562 rev:2.0) no pictures after flash bios |
Fans stop spin and i flash bios ,but after no picture any more all power voltage are present..Please help |
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| Serguz05 [ 11 апр 2023, 19:37 ] | |
| Заголовок сообщения: | Re: Lenovo Legion 5-15ACH6H (NM-D562 rev:2.0) no pictures after flash bios |
How can I help you ? |
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| pcexpert8 [ 11 апр 2023, 21:27 ] | |
| Заголовок сообщения: | Re: Lenovo Legion 5-15ACH6H (NM-D562 rev:2.0) no pictures after flash bios |
After flash bios from this site ,doesn't turn picture on screen I save old one, again I flash bios but same result ,I don't understand why this happen ..I measure by oscilloscope on 2 leg of bios no signal :( |
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| Serguz05 [ 11 апр 2023, 21:43 ] | |
| Заголовок сообщения: | Re: Lenovo Legion 5-15ACH6H (NM-D562 rev:2.0) no pictures after flash bios |
pcexpert8 писал(а): After flash bios from this site ,doesn't turn picture on screen and before that it was ? |
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| pcexpert8 [ 11 апр 2023, 21:58 ] | |
| Заголовок сообщения: | Re: Lenovo Legion 5-15ACH6H (NM-D562 rev:2.0) no pictures after flash bios |
Before was ok,only fan didn't spin ,I decide flash bios after black screen ..On fan red voltage only 0.200 v.. |
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| Serguz05 [ 11 апр 2023, 22:11 ] | |
| Заголовок сообщения: | Re: Lenovo Legion 5-15ACH6H (NM-D562 rev:2.0) no pictures after flash bios |
pcexpert8 писал(а): Before was ok why flash it then? pcexpert8 писал(а): only fan didn't spin put another fan in first to check p.s. fan controlled by multicontroller pcexpert8 писал(а): I decide flash bios after black screen perhaps something has been taken down. maybe you need to flash the multicontroller and what to say without measurements. there processor ryzen ? |
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| pcexpert8 [ 11 апр 2023, 22:57 ] | |
| Заголовок сообщения: | Re: Lenovo Legion 5-15ACH6H (NM-D562 rev:2.0) no pictures after flash bios |
It Ryzen CPU..I did by vertyanov flash EC .. Before I change fans ,I test fans by power supply spin norma(fans are ok)..Before flash bios laptop was working ,only fans did not spin ,that is reason why idecide flash bios..Better If I was not flash,but now is late:( |
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| pcexpert8 [ 12 апр 2023, 15:13 ] | |
| Заголовок сообщения: | Re: Lenovo Legion 5-15ACH6H (NM-D562 rev:2.0) no pictures after flash bios [РЕШЕНО] |
this is my old bios and EC..Wow i flash bios with programmer 1.8v and laptop turn on..But fans not spin:(this bios are working ) I found issue for fans this was damage (AOZ2151EQ)PU7901 i chnage it now fans working Thank you |
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