One of our past customers and a fellow blogger recently talked about his friend’s 17-inch iMac monitor that showed something that didn’t belong there: colorful vertical lines. A quick peek at the screenshots on a different monitor revealed the problem was not in the system board, but with the LCD monitor itself. More specifically, the Color Active Matrix system, the components largely responsible for displaying clear images on the monitor.
Spares were costly (to the degree that they cost more than the entire iMac itself), but we know that replacement parts don’t have to be brand new. In fact, the customer visited our website and found a few affordable components like the DELL YU413 Dell Latitude E6500 System Board that solved the problem without requiring him to spend an amount greater than a new computer. Four days and $260 later, the display was fixed. He was so happy he blogged about his savings, saying he, “originally thought he would have to break his bank on a an entire new laptop, but instead found affordable replacements parts that fixed his computer anyway.”
There are cases, though rare, similar to the story featured above from customers who discover a faulty system board was the root issue of a bad display. While usually this is only a matter of using the correct connection to the monitor, never rule out the internal circuitry. Here are some tips provided from Intel support on how to look for signs of display issues in the motherboard.
The LED indicator light on a system board tells you whether or not the system has enough power to run even the basic functions. If the light does not glow, it may indicate an issue with either the computer’s power supply or the system board itself. In either case, the LED on faulty boards won’t light up.
Display issues may arise when the system attachments, particularly the display card and the RAM, are loosely connected to the mother board. Connect the cards and the parts properly to prevent display problems in the long run. If you’re well-versed with computer repair, you can do this yourself.
For the most part, you may be using the wrong component in a specific system board like a DIGI 77000015 COM/8i RS422 ISA. Always check with an expert or your retailer about the correct specifications for your RAM, graphics card and other parts. Specific system boards can support only a corresponding set of parts, which is why compatibility is an important issue.
BIOS and CMOS
If all else fails, you can perform a BIOS recovery or a CMOS reset procedure. But take note this should only be executed by true computer professionals who are familiar with this type of reset. Put it this way, if you have no idea what this means—then you should probably ask for assistance.
Do you have any questions about display fixes? Leave us a question below and we will be sure to follow up with an answer.