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April 27th, 2023 21:00

Orange light blinks only once for 1 or less than 1 second.

I have Dell Vostro 3470. Once I was working on my PC and suddenly the power gone off. When I restarted my PC then CPU's Orange light blinks only once for 1 or less than 1 second. After that there is no response from my CPU. Can anyone let me know if the problem lies with my RAM, MotherBoard, or PSU. 

Specifications -

Dell Vostro 3470

i3 10th gen Processor

4GB DDR4 2666V RAM

9 Legend

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14.4K Posts

April 30th, 2023 06:00

V3470 cpu is 8/9th gen.  If you have 10th gen cpu it may be V3888.

Desktop computers released after April 2020 should have RTC Reset enabled by default.

For desktop computers that use RTC Reset, hold the power button for 30 seconds. 

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