The (2) Values that say it all are Total & Installed, problems are when Hardware reserved {grey} are big numbers e.g. >1000 MB. Typically 32-bit causes H/W Reserve or "wasted" memory to be high. Causes: 32-bit, Memory Mapping in BIOS not set correctly, Maximum Memory in MSCONFIG, Hard drive Partitions, bad RAM stick(s), etc.
To capture a screen simply press the {PrtScn} for full screen capture, or {Alt + PrtScn} for a window; next open a free account {example http://photobucket.com/ } and in the "Add a reply" use the Add photo option or click in the IMG Code & Paste {IMG]URL[/IMG} - use [] brackets.