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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