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While you have it apart again, take a look at the connections to see if maybe something didn't connect all the way too. Maybe try reseating the cable from the vidio to the systemboard, before swapping the systemboard back.
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While you have it apart again, take a look at the connections to see if maybe something didn't connect all the way too. Maybe try reseating the cable from the vidio to the systemboard, before swapping the systemboard back.

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Already opened it up and reseated cable.
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This laptop had a motherboard that had failing USB ports. &nbsp;I bought a used motherboard and replaced it.<br />
When I turned it on, there was no display, turned it off and on, and it started display, no problem, it POSTS(can see everything), gets to the Start in Safe Mode etc Options.<br />
If I select Windows Normally, it blanks out.<br />
If I select Safe mode, it tries to start but nothing.<br />

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This laptop had a motherboard that had failing USB ports.  I bought a used motherboard and replaced it.
When I turned it on, there was no display, turned it off and on, and it started display, no problem, it POSTS(can see everything), gets to the Start in Safe Mode etc Options.
If I select Windows Normally, it blanks out.
If I select Safe mode, it tries to start but nothing.


Gateway W340UI ML3109, changed motherboard, now  NO GUI

A laptop or notebook is a portable personal computer with a clamshell form factor, suitable for mobile use. Although originally there was a distinction between laptops and notebooks, the former being bigger and heavier than the latter, there is often no longer any difference. Laptops are commonly used in a variety of settings, such as at work, in education, and for personal multimedia. A laptop combines the components, inputs, outputs and capabilities of a desktop computer, including the display screen, speakers, a keyboard, and pointing devices (such as a touchpad or trackpad) into a single unit. The device can be powered either from a rechargeable battery or by mains electricity from an AC adapter.