Beep Code

[HopeBennett]

Someone PLEASE help me, I have Googled and youtube so much my fingers hurt! 

My desk top hp pavilion all in one 23, it powers on but the screen stays black and a beep code starts as soon as its powered on , 3 beeps and quick pause then 5 beeps, and it repeats the sequence once then stops! can any one please tell me how to fix this? I have tried the hard reset, unplug key board etc, then unplug power cord, hold power button 15 secs then plug back up and turn on, and it still does the same!! please help me, this computer has everything pics videos documents, of my mother who has passed 2 years ago and i dont want to loose it.

[Prométhée]

hi

Hello

[start]This is an automatic response
in order to avoid writing the same thing each time

Some elements may therefore not apply to you 
To be able to answer you effectively, we need some information

we need the exact model of your computer, and the product number
To find it follow this
for a desktop computer

HP Desktop PCs - How Do I Find My Model Number or Product Number? | HP® Customer Support
and for a laptop
HP Notebook PCs - How Do I Find My Product Name or Number? | HP® Customer Support

Give the full name with the product number P / N

this is not a model:
HP Desktop M01-F1xxx
the requested product number must look like this
Product Number: 9EE50AA # ABA
the model corresponding to this number will therefore be
HP Desktop - M01-F1033wb

Give the full version of windows

for windows 10 type winver in the search box
if you give the best information
your problem could have a solution more quickly (depending on the difficulty, of course)
Learn how to use the Community

Advice for asking the "Very Best Question"

First-Time-Here-Learn-How-to-Post-and-More

[end]

https://support.hp.com/us-en/document/bph07107

Hardware

3.5

The processor is not detected.*

Indicates potential CPU failure. If able, reseat CPU. If able, test known good CPU. Replace affected component. Replace both CPU and system board if unable to perform steps.

you can confirm if it looks like this
3 long and 5 short!

you can always recover data from hard drive