Memory slot Damage Failure Analysis three cases

Memory slot deformation damage, memory is not installed may cause a variety of anomalies, so once we determine the memory problem, we must start from all aspects, carefully check the source of the fault

Memory can be said to be one of the most frequently faulted parts of a computer, because of the performance of memory failures are relatively direct, so we do not spend too much time in maintenance to judge the source of the fault, in general, as long as the replacement of a new memory, if the machine can be successfully started and stable operation, that is to determine the memory of the problem. The current market in the production of memory manufacturers are numerous, the price is relatively cheap a lot, there is a memory failure after we will generally choose to replace the new memory to solve. In fact, in some cases, is not the memory itself, but because the quality of the motherboard is not perfect or we often plug the memory, resulting in the memory slot deformation machine can not start, frequent crashes and other failures, the next author on the use of computer in the memory of the failure to do a simple summary, Have encountered the following breakdown friend may as well as the author's method to try personally, may give you to bring you unexpected surprise.

　　One, the computer often blue screen panic, the original memory slot is causing the curse

Symptom: A 2000 assembly compatible machine, specific configuration as follows: Intel Celeron 1.1GHz Processor (370 pins), Kingston 256M DDR266 memory, MSI 815PE motherboard, Rainbow MX400 graphics card, Seagate 40GB hard Drive, Samsung DVD-ROM drive, There have been no problems with the use until now. Recently, I found that the computer used a period of time after the machine often appear blue screen and the phenomenon of panic, resulting in computer can not be used normally. After the crash to press the power switch can not normally start, the machine alarm prompts memory problems, the memory will be plugged in after the machine will be able to start normal, but the use of a period of time will still appear blue screen or panic, about two hours or so. The error message on the blue screen is "Vxd, Vmm (01) file Error".

Fault analysis and processing: According to the blue screen when the error hint is in memory some kind of virtual file error, another in the inability to start alert warning can be very accurate to determine memory problems. At the beginning of the author that may be bad contact, but also often through the plug to solve the problem. This is not the way to solve the problem. So the author took out the memory from the machine, with putty carefully wipe the memory of the gold fingers, and carefully check the memory of small components, found that there is no too big problem, reinsert the machine after the failure has not been resolved, the problem remains.

So the author from another machine to take out a normal use of memory to insert into this fault machine for testing, the use of a period of time after the machine crashed, the failure has not been resolved. It doesn't seem to be a problem with memory strips. So carefully check the memory slot on the motherboard, found that the slot in the memory bar is a bit distorted, it seems that the problem appears here. So the memory bar into another slot (due to the author's habit of inserting memory in the DIMM1 position, in the resolution of the fault does not take into account the slot will also appear problems), reboot, after playing the game for two hours, the machine work all normal, problem solving.

　　Second, upgrade the memory to cause the computer does not start normally

Symptom: An Intel Celeron 1.7GHz brand machine with memory capacity of 256MB DDR333, the work has been relatively stable. Recently for this machine has been upgraded, installed a 256M DDR333 with a model of memory, after the boot encounter black screen, the monitor power LED is bright, the machine can not pass self-test, chassis horn long time alarm, prompt memory can not pass self-test.

Fault analysis and Processing: Chassis horn prompts performance, the root of the fault is in the inside strip. Because it is installed in a memory after the fault, so the problem should be in the new 256MB memory, so will be installed 256MB memory unplugged (found memory is very hot), and then the boot, but the fault remains. Is there a problem with the video card or CPU? When using the elimination method, the graphics card and the CPU are replaced separately to eliminate, the result is still the problem.

Excluding CPU, hard disk, memory, video card, it appears that the motherboard has a problem. Get a piece of motherboard that can support the Intel Celeron processor for testing, everything is fine and the computer is running smoothly. So what's wrong with that part of the motherboard? According to the machine, the possibility of memory failure is relatively large, is not the memory slot on the motherboard is the problem? So focus on the objects that are checked on the motherboard's memory slots. Through careful examination, found in the memory slot in the 8th, 9 feet together, shorted out. With small tweezers gently will touch the 8th, 9 feet separate, and then carefully loaded with memory and other parts, after the test, finally saw a long-lost blue sky white clouds, troubleshooting.

　　Third, the insertion is not complete, causes the machine not to start normally

Failure phenomenon: With the summer approaching, the author of the computer for "cleaning", cleaning up the box in the dust accumulated, and installed a new cooling fan. After the completion of the cleaning, I can not wait to open the computer, check the results of their work, but encountered trouble. When the chassis power button is pressed, the machine does not start properly, and the short alarm sound of the chassis horn indicates that there is a problem with the machine's memory.

Fault analysis and Processing: The author's love Machine used two 256M DDR400 memory, because 865PE motherboards support dual channels, so the formation of dual channels to improve the overall performance of the system. Memory of the brand for Kingston, the stability is still quite good, the author of this computer used for more than a year has not been a failure.

Open the chassis, carefully check two memory, then found that the author because of carelessness in the memory of the DIMM1 and DIMM2 position, because the motherboard memory slot in the DIMM1 and DIMM3 or DIMM2 or DIMM4 the location of the two channels, so this time does not work in the dual-channel mode , but also not to open the machine ah. So the author will DIMM2 position of the memory to be inserted into the DIMM3 slot, but when the author in the memory when the memory is not fully inserted into the memory slot, will not be inserted not completely caused by the fault? So the author will be out of memory, reinsert, and carried out a careful examination, Make sure that it is plugged into the memory slot, and then the boot test, with a crisp "drip" sound, the machine smoothly into the system, troubleshooting.

Failure Summary: From the above three failures, memory slot deformation damage, memory is not installed may lead to various anomalies, so once we determine the memory problem, we must start from all aspects, carefully check the source of the fault. Check the slot, replace the memory, such as careful testing, and finally in accordance with the performance of the fault to find out the root of the problem, and serious summary and resolution, so once again encountered problems, we have experience, can quickly check and eliminate the memory of various faults.