lenovo w540 lkm-1 ws mb 12291-2 no boot

会员1068985 · 发表于 2017-6-13 19:33:37

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Lenovo w540 lkm-1 ws mb 12291-2 not boot.. voltage is good.. what to do?

会员871576 · 发表于 2018-7-15 21:52:25

flash bios 4 chips at this site all files 2 of them below vga card

会员1247394 · 发表于 2020-4-12 07:20:45

Use pq56 to push + 15V to the past and apply + 3V voltage to pq23 to generate starting voltage.

be careful:!! The 33.8mhz of this board will not vibrate when it is in standby mode. The BIOS can be powered on as long as it has 2V voltage

In addition, Lenovo's machine must use the original power adapter, otherwise it will not charge

lenovo w540 lkm-1 ws mb 12291-2 no boot

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