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Elite one AIO 800 G1 not booting

HP Recommended
Microsoft Windows 10 (64-bit)



So AIO working well. Never had an issue, or error message. Used only a few hours before. Went to turn on and nothing. The light at the power button flashed white and then red very quickly and that was it. So I opened it u, reseated the RAM and replaced the CMOS battery.


PC still doesn’t start, but the light at the power button now continuously flashes red when plugged in (not just when pressing the power button, but all the time). The HDD light blinks weakly. When I hold the power button down the red light is unaffected, but the HDD light is a white blink, but slightly longer i duration and brighter (not A weak almost flicker as it was before) The fans are moving a little as well. 


Any guidance much appreciated!


Kind Regards, 





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