lenovo g50-70 i7
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hello, i need help. i have a mainboard on going repair. problem is no lcd display even connected to external monitor. all coil voltages present at the very moment i connected the charger. fan already spinning automatically. power on button board was already removed for isolation but still problem exists. power button reinstalled to confirm if it can shutdown the spinning fan, yes it can put off and on the fan and power led LED1 but still no display. if i press and hold power button it will shutdown but if i removed the charger ( board was removed from chassis. ) the power led1 will lit up and...11-26-2025, 10:41 PM
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Hello ,
I have lenovo g50-70 ACLU1/ACLU2 NM A271 REV: 1.0
First problem is no display after flashing bios the mobo display the logo after 20 seconds slow boot but after boot she work fine just slow boot,any one have the clear me bios for this model,I founded here
https://***********/threads/1000-aclu1-aclu2-nm-a271.13191/
Is that clear me problem bios ?
Can someone downloaded for me?,thank you very much . -
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Hello,
this is my first request of help. I'm an hobbyist without electronic skills, just willing to repair some laptop of friends.
I have a Lenovo G50-70 ACLU1/ACLu2 NM-A271 Rev.1.0 without power at all, no led if adapter ac connected. My friend gave me after he broken the pin of the ADAPTER_ID of the cable. I thought I need to change only the part (DC POWERJACK PJ718 DC30100LD00) but after reassembled all the laptop boot fine and entered the OS, but the battery was not revealed . I thought was a software problem: no. The laptop shuts off after 20-30 minutes, even with the ac... -
Hello I Need to Clear this Bios Password
LENOVO V15 IIL GS44D GS54D NM-C711
I Write another to password cleared But Hdd Not detected
So Pls Need to Clear this bios Password...