ddr

[Samarinleonid]

I want to update DDR

4 GB installed, I want 8 GB

what DDR characteristics should I choose?

hp 23 b 105 er

[itsmyname]

@Samarinleonid -- use the web-site: www.crucial.com

to determine how many slots for RAM sticks are available on your computer, and also which RAM (manufactured by Crucial) will be compatible with your computer.

Is this your display device: HP 23er 23-inch Display - Product Specifications | HP® Customer Support

?

If you open the Windows "Task Manager", and switch to the "Performance" tab, how much RAM is your computer currently using, when you have opened your typical programs (E-mail, web-browser, Adobe Reader, iTunes) ? If your computer is using only 2 or 3 GB, out of the 4 GB available, why are you planning to upgrade to 8 GB?

[Leonid_SPb]

computer is using 3,2 GB

it loads very slowly

programs start very slowly

what can you advise me?

[itsmyname]

@Leonid_SPb -- what is the product-ID for your computer.

This: HP 23er 23-inch Display - Product Specifications | HP® Customer Support

is your display, not your computer.

What is the speed of the processor in your computer?

Does your computer have a "spinning" disk-drive, or the newer/faster SSD (Solid State Device) ?

Having a slow processor means a slower start-up.

Having the slower storage device means a slower start-up.

What do you mean by "slow"?

Record the time when the Windows screen, and the "spinner" start to appear.

Record the time when Windows has fully started-up (wallpaper visible & desktop icons visible).

What are those times?

Does your web-browser automatically open several different web-pages?

Does your anti-virus software "call home" to get the latest anti-virus updates? Does it do a "quick scan" ?

Does Windows Update automatically "call home" to get the latest security-updates?

Start the Windows "Task Manager" (CTRL-ALT-DELETE).

Switch it to the "Performance" tab, to see how "busy" the CPU, the RAM, and the disk-drive are?

Switch to the first tab, and look to see which app is using a large part of that 3.2 GB of RAM.

[Samarinleonid]

I am attaching photos

[krzemien]

Try CPU-Z and under SPD tab you will be able to find all you need.

[itsmyname]

@Leonid_SPb -- thanks for the images.

It certainly shows that 99% of your 4 GB of RAM is being used. 

I think that your computer will performance much faster, if you add 2 GB, or 4 GB, of RAM.