Guide. An iron test checks the amount of iron in the blood to see how well iron is metabolized in the body. Iron (Fe) is a mineral needed for hemoglobin, the protein in red blood cells that carries oxygen. Iron is also needed for energy, good muscle and organ function.
The following errors are the most common symptoms of faulty (or failing) computer memory modules: 1  Computer memory errors. 2  These include system computer memory errors, or blue screen system crashes that reference memory read/write, parity, interrupt, address, page faults, general protection faults or mismatch errors.
1 If it is less then 1024 MB then it might be the problem.  If RAM is the real problem, your computer will be slow whenever you start a new application. If your computer is only slow when you turn on your computer or reboot, it is more likely that it is some other problem.