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08-18-2021 05:58 PM
Trying to get help for my HP 27-r114. I was using it when it just turned off. The led above where the power cord plugs in to the back is lit up. When I try to power on, the LED next to the power button lights up, I hear the CPU cooling fan and HDD start to spin up but the the system just shuts down and the LED next to the power button blinks 7 times about once every second, pauses for about 2 seconds and blinks 7 times again. It does this repeatedly until I disconnect the power. I pulled the back off the computer, disconnected the HDD and powered on with same results. Replaced the CMOS battery, reseated memory and tried again with same results.
08-21-2021 11:39 AM
@27-r114 -- Is it possible that the CPU-fan has failed? Not cooling the CPU means that the CPU gets too hot, and the motherboard detects the "over-temperature" condition, and shuts down the computer, to prevent heat damage.
Can you view the fan-blades of the CPU fan? Are they turning when you power-on the computer?
08-21-2021 11:45 AM
CPU fan does spin up and is working properly. Believe I have an arc condition on my main board. At this point I’m going to salvage the parts from the computer and put them in my spare bin and by a new system. The old one (only 2 years old) will go to the recycle bin when I am done salvaging.
08-21-2021 12:03 PM
@27-r114 -- it is possible that the CPU-fan is spinning correctly, but not telling the motherboard that it is spinning.
So, the motherboard thinks "overheating", and shuts-down the computer.
Try replacing the fan, before "cannibalizing" the computer.
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