HP s5-1114 slimline desktop memory upgrade

[Haven22]

Hello

HP s5-1114 slimline desktop, I tried  to upgrade the memory to 8gb  but I failed in spite of the operation is widows 10 Home 64bit and same memory module,  I have no problem when I use one memory module 4gb , but when install the second memory module with 4gb the pc give me peeps warning, motherboard  is Carmel2 , Bios version AMI 7.14, 8/11/2011, please advice me to fix this issue .Thank you

[BeemerBiker]

8Gg should work on your system.

Does each memory stick work?

Have you tried resetting the CMOS?

There may be differences even if they appear to be identical

Please download CPU-z and compare the SPD of each memory stick and look for differences. 

There are other diagnostics but I am familiar only with CPUz

https://www.cpuid.com/softwares/cpu-z.html

should look like this:

You can use WndowsKey +shift + S to copy an image like the above and drop into word or paint

[Haven22]

Hello

Thanks for your assistant, actually I have reset  coms, and i install CPU-z for diagnostics, I found that slot 1 doesn't work. please find attachments pictures for spd.

 

 

[BeemerBiker]

Unfortunately, these are not matched chips.  In addition one of your slots is defective.  Please use a magnifier and enough light to look in the slot for debris or obvious corrosion**.  Use a cleaning duster to blow the sockets out.  Over time dust can harden and be difficult to remove.

The following memory tester can detect address errors cause by bad socket and (possibly) out of order arrangements.

https://www.memtest86.com/

With only one slot working there is obvious problem that needs to be fixed.

** if corrosion possibly the following

https://www.ifixit.com/Answers/View/73145/How+can+I+clean+a+RAM+slot

I would not use cotton swab or soft paper or anything that might disintegrate and leave particles in the slot. Brushes can lose a piece of fiber so they are out also.