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12 Elder
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December 27th, 2021 08:00
Optiplex 7050 blinking power button
I have an Optiplex 7050 and after doing recent windows updates, that included optional cmos and processor updates, my pc will no longer turn on. It blinks 3 white lights then 3 orange lights. I have attempted the jumpers on the mb, as well as the removal of the cmos battery and draining power. Nothing changes.
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redxps630
11 Legend
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December 27th, 2021 08:00
Try replace CMOs battery with a brand new CR2032, then try clear CMOs settings by RTCRST jumper on motherboard again (which you said you did).