My all in one desktop is not detecting my 2nd monitor

[Jenni121]

I was working from home Friday and both screens went black then the all in one came back on.  The Asus 2nd monitor would not reconnect.  I trues asus supporr and it was not help.  Purchased anew HP monitor this weekend and it too is not detected by my PC

[Prométhée]

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

[Jenni121]

computer model is 9ED577AA#ABA

[banhien]

@Jenni121 

What is your AIO machine ? Does it have HDMI out port ? HP has

• Some models/products which have HDMI out (for a second monitor),
• Some models/products which have HDMI in (for games consoles to use AIO),
• Some models/products which have both.

Regards.

[Jenni121]

Yes its HDMI.  had this set up for months then mid task friday it stopped.  

[Jenni121]

any surggestions?

[itsmyname]

@Jenni121 -- welcome to this peer-to-peer discussion forum. It is not a path to HP Supporot.

In your case, what seems to have happened is that the video-circuits inside your All-In-One have failed.

If your computer is less than 12 months ago, contact HP Support: http://Support.HP.com and open a "case" (as HP calls it) to make a claim against the warranty. HP will repair/replace your computer, at their expense.

However, if the computer is older than that, you are on your own.  I recommend that you find a computer technician to do the trouble-shooting.  Be sure to ask them what it will cost, and to set an upper-limit on your spending.

However, for an All-In-One, the video-circuits can be part of the motherboard.  Replacing a motherboard is very expensive for the replacement, if you can obtain you, and expensive to completely disassemble the computer, replace the motherboard, reassemble, and test.  Ouch!

The only good news is that the disk-drive inside your computer is probably intact.

A technician can remove it, connect it to a different computer, and copy all your Personal Files.

[Jenni121]

actually I was able to successfully correct the issue by uninstalling the most recent display driver.  When i restarted my computer it updated to the last displaa driver and viola problem solved. 

[Prométhée]

Hello @Jenni121 

Sorry, I wasn't here anymore, and I see the answers didn't help!
If I understand correctly, luckily you solved the problem easily.

💪
Fortunately, who knows what a professional "repair" would have cost!!
Sorry, for not having answered, with the jet lag, not simple
Just a little thing you can check, we never know
your reference, does not match

https://www.google.com/search?q=9ED577AA
With google I only find this:

https://support.hp.com/us-en/product/hp-pavilion-all-in-one-pc-27-d0000i/37914264/model/37933896?sku...