Last time, they covered what memory (or RAM) is, & what it does. They also looked at the inevitable "Do I have RAM?" query that pops up in every computer's life. But how do you know if it is working right, & what do you do if it is not?
Memory has a trait that is both lovely & bad. Lovely: if it is flawed, your computer will have issues immediately, & you won't be able to ignore it. Bad: It is not always simple to figure out if the memory is the issue. In any case, in the event you figure out your memory is flawed, replace it; there is no fixing it. Here are some signs to look for.
Blue Screen of Death (or BSOD)
In the event you have been using a computer for any length of time, odds are you have seen a BSOD, or at least heard of it. It is a dreaded thing to most people because it often means something catastrophic happened to Windows that made it halt everything it was doing & cease (in fact, they was time called STOP errors). The blue screen itself won't tell you much, but look for a mistake code that starts with 0x. Put that code in to a search engine, & you'll find some more detail on what the error means. The blue screen might even reference the memory outright. That usually means there was an argument either reading or writing knowledge in memory. It could be a physical defect, or it could be a program issue.
(Hey Rock, could this be of those electrical charge thingies you mentioned in your reboot post? Why yes, yes it could be)
Windows errors
Though less dramatic than the BSOD, bad memory can also cause Windows error messages to popup often. Again, note any codes or references to memory. Copy down the exact message, put it in your favorite search engine, & see what comes of it.
The computer won't boot up
This is a common. Fortunately, most systems can tell if the memory has an argument at boot time. You'll often listen to a beep sequence, & a message will show on the screen. The message would usually be more informative than the BSOD, so read carefully.
Ok, so it looks like the memory is bad. Now what?
The above steps are a general guide, not a be-all, end-all of memory troubleshooting. But in the event you do select through observation & research that you are having memory trouble, here's a pleasant chain of events to follow.
DISCLAIMER: These steps involve opening up your PC & handling the hardware. This can void your warranty. It may even be dicey if not completed safely. I am not responsible for any negative results (though in case you do it right, you ought to not have any). ALWAYS turn off the power, & unplug the computer before adjusting the hardware. If in doubt, consult a technician.
Troubleshooting RAM modules
Most modern computers have over memory stick in them (you can see what RAM slots look like here, with & without RAM in them). Remove stick, & power up the computer. Still having the same issue? Try of the other sticks. When you have removed a stick of RAM & the issue goes away, then you know that the troublemaker is either the stick of RAM you took out, or the slot it was inserted in to (we'll call them the suspect slot & RAM for now). Re-insert the suspect stick of RAM in the suspect slot. If the issue returns, try putting the suspect stick of RAM in to a different slot. Still having issues? Then that stick of RAM is flawed. No issues? Then the suspect slot is the likely culprit. In this case, you'll must avoid using the slot, or get a new motherboard. In case you cannot get the issue to go away with any combination of RAM/slots, then you are taking a glance at either a) a bad motherboard b) multiple bad sticks of RAM or slots or c) not a RAM issue at all.
Replacing defective RAM
There are a lot of different kinds of memory. In the event you are not positive what you need to replace your defective stick, I recommend looking it up online. Your manufacturer's net site will have that knowledge. In case you have a brand name computer you bought pre-assembled, look for the model or serial number of the computer, & put it in the search box on the manufacturer's net site. In case you built the computer yourself, or it doesn't have a manufacturer name, look for the model number on the motherboard, & go to the motherboard manufacturer's net site. In either case, you'll find what kind of memory your technique supports. You can then head to your local computer store & get the replacement part you need.
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