Faulty Dell Laptop purchase in need of repair

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A complete laptop in good condition purchased from ebay, with the problem that power on caused brief flicker from the led's in the bezel, then nothing.

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As there was no response from the M90, I thought that the Intel T5300 processor may have blown, as with a broken graphics adapter there is usually some response. However, after purchasing a new condition Intel T2400, also from ebay, the problem was unaffected, so I watched a video by Gold Lark called shake'n'bake which repairs a bakeable nvidia geforce video card, similar to the nvidia quadro unit in this M90, and following this procedure using the suggested 200C, 10 minute bake resulted in a working laptop!

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The upshot of this is that the socket 478 m/board accepts most Intel T series processors, up to T7600, I read on a Dell forum. I found that the hardware supported graphic resolution of the laptop (some M90's have an unusual 1920*1200 WUXGA+ resolution), which, possibly due to the new processor, had changed to 1440*900 WXGA+, a resolution that most good games support without exhausting the capabilities of the 256MB graphic adapter. As I did not know of this before I attempted this repair, I found it intriguing, also quite cheap, as Intel T series processors can be difficult to obtain at a cheap (£5-10) price.