There is no doubt that TX1000 series of laptop – faulty. And symptoms are the same: 1 – Turn on laptop, all lights on normal. 2- Screen black, nothing came out. 3- Fan running, physical seem OK / A lot of users faced that problem – bit.ly – but HP doesnt repair this if the warranty is ended. And even costly repair – changing of motherboard ($400-500) with time problem appears again.
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HP TX1000 motherboard and lan problems on TV news