Lenovo NM-C111 REV 1.0 no AC_OK signal no power
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Re: Lenovo NM-C111 REV 1.0 no AC_OK signal no power
You may have to reflash the bios but personally do not have experience with this. If you have the tools, desolder and back up the current bios contents.
Then consider to erase and flash a fresh image to test again. Or wait on advice from others but often this is the next suggested step.
Things that was donee
Change Charger Ic c
Check resistance to grand every mosfet and coils
Flashed Bios Done
Fully Working
THANKSComment
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by questoreDear all.
I have a Lenovo Legion 5 that come to me as faulty.
The problem was that Adapter_ID pin was shorted by some liquid... killing the EC (there was a hole in the EC) (therefore 3.3v was shorted)
I have removed shorted EC it and tested that if i short EC_SBM_CK1 to ground, then the BQ24780SRUYR power IC lets 20v pass the first and second mosfet.
Nothing else seems shorted when checking 3V,5V, 1.1V, battery or 1.0v coils, so I have ordered the new EC chip.
I have ordered a preprogrammed Chip for NM-C921 and soldered it on. (No pins shorted after checking... -
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by derradji89Hi everyone 🤗
I have a Lenovo MIX 320-10lCR computer.**
1. **Operating System**: Windows 10 ** Education** 64-bit.
2. **User Account Restrictions**: The account I'm using has heavily restricted permissions via **UAC** and **Group Policy**. This means I cannot install any software without admin rights, adjust system time, run Command Prompt as administrator, or modify the registry via Regedit—all are blocked.
3. **BIOS Password Protection**: The BIOS is locked with a password, preventing me from installing a new operating system.
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