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Dell DHM has no display output. Key board and mouse lights go on then off after a bit. Reseated RAM sticks, swapped processor, fans all spin, but no display. A,B,C,D light on back all green. Help?

Answers :

How do you reset the graphics and chip
Try to reseat the graphics card/chip
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Dell DHM has no display output. Key board and mouse lights go on then off after a bit. Reseated RAM sticks, swapped processor, fans all spin, but no display. A,B,C,D light on back all green. Help?

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