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senior800m
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January 14th, 2021 05:00
Preicison 5810 Won't Turn On
We have a 3 years old Precision 5810
It was fine yesterday but today it won't come to life when I try to switch it on.
There are no lights on the housing/motherboard at all.
I've done the Power Supply Self Test and it seems to be OK (The green light comes on at the back and all of the fans come on.)
I've also tried changing the battery and doing a hard reset which hasn't helped.
Any help would be greatly appreciated, thank you.
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Posted September 29th, 2024 18:48
I have a 5810 Precision tower. When I try to power it on, I see the following pattern: amber light flashing 7 times - pause - amber light flashes 2 twice. The machine never boots. I have changed the CMOS battery to no avail.
PLEASE HELP!!!0
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Posted September 29th, 2024 20:26
@justin.jeremie - Precision 5810 doesn't have an amber 7-2 blink code listed, but it has an amber 2-7 blink code.
2-7 is a memory issue:
Memory modules are detected, but a memory power failure has occurred.
If two or more memory modules are installed, remove the modules, then reinstall one module and restart the computer. If the computer starts normally, continue to install additional memory modules (one at a time) until you have identified a faulty module or reinstalled all modules without error.
So I'd start by checking RAM...(edited)
DELL-Cares
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Posted January 14th, 2021 23:00
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