Hi guys. I have a lenovo g555 here that returned from waranty. I did reball 1 month ago and now the same problem. I have buyed new chip and replaced the old one but still black screen. Any ideas? Thanks
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Re: lenovo g555 no video
Is it version with disrete gpu or integrated one? Which one did you change? -
Re: lenovo g555 no video
reball new chip.Comment
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Re: lenovo g555 no video
Integrated one.chip is manufactured 2013 lead balls. Just to be surr I did the reattach at 225 degrees.Comment
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Re: lenovo g555 no video
So as far as I understand it is NOT a new chip, but used and reballed to lead.
225 degrees is too much for lead balls, try 210 on IR reworkstation, or 215 on hot-air, it should be enough.Comment
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Hi guys,
Today I pulled 5 Lenovo T420 laptops out of a bin at the rubbish tip, and they're old school laptops and they're all locked with a supervisor password.
In the past I've unlocked similar Lenovo laptops, often I used the trick of shorting a few pins together on the chip on boot to get into the GUI and overwrite the config but it doesn't look like that is working with these laptops. I guess Lenovo fixed that trick? I have unlocked some other HP laptops by reading the chip, running a patch and re-writing back.
But I can't work out these T420...11-11-2023, 10:05 AM -
This specification for the HP EliteDesk 800 G3 + GoPro HERO6 Black 4K Ultra HD Video Camera can be useful for upgrading or repairing a desktop PC that is not working. As a community we are working through our specifications to add valuable data like the EliteDesk 800 G3 + GoPro HERO6 Black 4K Ultra HD Video Camera boardview and EliteDesk 800 G3 + GoPro HERO6 Black 4K Ultra HD Video Camera 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...09-12-2024, 02:00 PM
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Lenovo 3000 G555 Laptop Schematic
LA-5972P...10-08-2024, 12:02 PM -
Lenovo 3000 Series Schematic
Lenovo 3000 was a line of low-priced notebook and desktop computers designed by Lenovo Group targeting small businesses and individuals. It was replaced with the IdeaCentre and IdeaPad brands.
3000 C100 laptop with Braille keyboard
Lenovo 3000 C
C100, C200 - 15-inch XGA screen
Lenovo 3000 N
N100, N200 - 14.1-inch- and 15.4-inch- WXGA models
N500 - 15.4 inch screen.
Lenovo 3000 V
V100, V200 - 12.1-inch WXGA models
Lenovo 3000 G
G400, G410, G430, G450, G455, G510, G530, G550, and G560...10-04-2024, 06:05 AM -
This specification for the Lenovo IdeaPad 120S 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 120S boardview and 120S 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 no warranties that any specification, datasheet, or download for Lenovo IdeaPad 120S...09-06-2024, 06:40 AM
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