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Re: lenovo G550 zombie laptop.
check LCVD circuit, inverter pins. vin(+10 - 21V), gnd, on/off (3.3v), brightness(200mv - 3v) if one of them missing trace back to soruce. Still cant find, get vin from dc_bat_out. and others from nearest (s0)state switch..Comment
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Re: lenovo G550 zombie laptop.
I got a refurb board, and its intel based again, no nvidis gpu. But the screen is blank not dead just blank , graphics is none existent . Is this solution a reball/ reflow . Backlight is ok, the LCD cable is okay, and LCD is working on another laptop and it works fine on a external screen. What you guys think, Southbridge reflow?Comment
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Re: lenovo G550 zombie laptop.
I think a0# and a0, Should have a voltage , right?Comment
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Re: lenovo G550 zombie laptop.
Check the Close Lid switch to resolve the backlight.Comment
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Re: lenovo G550 zombie laptop.
hi, i have toshiba L510 , my problem is same there. laptop totally no power no signal, even AC plug in and battery installed, before it become so serious damage,it will auto shut down often by itself, ad later totally gone on the next day,
cpu chcked ok, Ram ok, hard disk ok, NEc 128 tokin been replace, AC adaptr 19V ok,but still no power and no signal at all.kindly advise if someone know how to resolve it,
i believe there is power problem ,but dont know which one its a root cause..Comment
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Re: lenovo G550 zombie laptop.
anybody know how to create new topic?Comment
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Re: lenovo G550 zombie laptop.
need bios lenovo g550 ( la-5082p )Comment
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This specification for the Lenovo Yoga Yoga 7i (16? Intel) 2 in 1 Laptop Notebook can be useful for upgrading or repairing a laptop that is not working. As a community we are working through our specifications to add valuable data like the Yoga 7i (16? Intel) 2 in 1 Laptop boardview and Yoga 7i (16? Intel) 2 in 1 Laptop schematic. Our users have donated over 1 million documents which are being added to the site. This page will be updated soon with additional information. Alternatively you can request additional help from our users directly on the relevant badcaps forum. Please note that we offer...09-07-2024, 05:00 AM
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This specification for the Lenovo Legion Laptop Gamer Notebook Legion 5 15ACH6H Notebook can be useful for upgrading or repairing a laptop that is not working. As a community we are working through our specifications to add valuable data like the Laptop Gamer Notebook Legion 5 15ACH6H boardview and Laptop Gamer Notebook Legion 5 15ACH6H schematic. Our users have donated over 1 million documents which are being added to the site. This page will be updated soon with additional information. Alternatively you can request additional help from our users directly on the relevant badcaps forum. Please...09-07-2024, 05:00 AM
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Hello, first of all, excuse me, I am using the translator, English is not my native language.
I have a Lenovo ideapad 330S - 14IKB laptop.
The tablet did not recognize me when I connected it, so I checked the device manager and I realized that there were many with the exclamation mark, so one by one I began to update their drivers until the sign disappeared of admiration, I even updated the BIOS, and the laptop rebooted normally and worked, so far so good, but the tablet still did not recognize me, I read on the internet that it could be due to a... -
Hello everyone,
I need your advice in diagnosing a motherboard issue on a Lenovo IdeaPad 3 15ITL05, motherboard HS45A/HS55A Rev 1.0 NM-D461 (2020-11-02).
Symptoms:
The laptop does not power on and does not respond to the power button.
Background:
According to the owner, her child was playing on the laptop when it suddenly shut down.
What has been done so far:
Original charger is missing; the non-original one was tested and found faulty (0 V output).
Using a lab power supply (20 V, 0.5 A) — no activity on the board, no LEDs, no standby voltages.... -
There was an error... Aborting......I'm using another Linux Laptop with Zorin OS...to try and patch my Lenovo V15 G4 IRU with above specs....It originally had Windows 10/11 installed and converted to a dual boot Kali OS/Parrot OS system. I may have used the wrong lenovo_autopatcher_0.2 (I believe was posted by @knucklegrumble....I am out of ideas and flat broke so i cannot afford another fix (spent it all as an e-com entrepreneur does) any help from anyone would be GREATLY appreciated.....- Laptop Model: Lenovo V15 G4 IRU
- Issue: Forgotten supervisor password.
- BIOS Chip: GD25B128E (or GD25B128B
Comment