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No boot device found/ AHCI BIOS not found/alerts

So i just got back to wanting to play my pc again for a long time. And when i turned it on it gave me error messages i will list them.
No device found
AHCI BIOS not installed
Drive 0 not found : Serial ATA, SATA-0
Alert! Memory failure detected in DIMM 4
Alert! Card-cage fan failure.
Alert! Failed to detact one or more drivers during POST
Alert! Non-optimal memory population detected. To maximize performance, populate DIMMs as specified in the service manual. 
Strike F1 key to continue, F2 to run the setup utility and press F5 to run onboard diagnostics
I have a dell precision t3500 and as you can see its a bit overwhelming and i have no clue what to do any help would be great thanks in advanced
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Re: No boot device found/ AHCI BIOS not found/alerts


Hi Trell00,

Try selecting the F2 option. Once in the setup, select System Logs > BIOS Events, then select Clear Log. Power the system off and remove the power cable from the back of the system, then hold the power in button for 30 seconds. Turn the system back on and hopefully the errors will have cleared.

Let us know how you get on.

DELL-Alasdair R
Social Media Support
I'm based in the UK and I'm usually available Monday to Friday 10am-5pm GMT (BST)
Get Support on Twitter @DellCaresPro

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Re: No boot device found/ AHCI BIOS not found/alerts

thanks you. this is helping !
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