Memory failure, a common troubleshooting method for industrial all-in-one computers. Industrial equipment such as embedded industrial computers and industrial tablet PC customization may have malfunctions during use, which cannot be avoided. The industrial all-in-one computer fails due to various reasons, which may be internal reasons of the machine, external environmental factors, weather changes, etc.
When the weather suddenly becomes hot or suddenly cold, as long as you answer the phone, the user will report for repair either by turning on the alarm, or there will be no response after turning on the power. Most of these problems are caused by loose memory or poor contact after the golden fingers are oxidized. The solution is also simple, just open the case, unplug the memory and plug it in again. In some serious cases, you may need to carefully wipe the gold fingers of the memory with an eraser to solve the problem. There are also others, no matter which memory slot is an alarm. Such problems may be caused by excessive humidity in the environment where the industrial tablet computer is used or the user does not turn it on frequently, causing the gold finger of the memory bar to oxidize. If it happens once in a while, it's still acceptable, but if it happens once every two months, it will be unbearable. For ordinary users, they don't know what "cannot start after memory alarm" is, and it is impossible to troubleshoot the problem by themselves, so they can only think that the host is broken or the memory is broken.
The general reasons for such problems are:
1. The memory is not made standardly, and the thickness of the memory is too thin, which causes the golden fingers of the memory to be in contact with the memory slot on the motherboard.
2. The motherboard is severely deformed, causing the memory bar to fail to be inserted into the memory slot. Even if it can be inserted, the memory stick will fall off if it is moved or vibrated slightly.
3. Complicated working environment, excessive humidity, and excessive acidity in the factory workshop may cause premature damage or scrapping of the computer.
4. The installation staff did not wear gloves when installing the machine, and directly touched the memory stick with their hands, and the sweat on their hands adhered to the golden fingers of the memory stick. After a long time, the gold finger of the memory stick will oxidize and make the contact bad.
5. The memory slot on the motherboard is of poor quality, which is often found in low-end low-end motherboards. Generally, there are only two memory slots. Because of frequent memory alarms and frequent insertion and removal of memory, it is easy to burn the memory bar or memory slot due to the memory insertion; or a reed of the memory slot is broken or deformed due to improper force. , And use the memory slot to be scrapped.
Solution:
1. For the memory alarm caused by the harsh environment, pay attention to the normal working conditions of the machine, the humidity is 30-80%, and the temperature is between 15-35 degrees.
2. For occasional power-on alarms, you only need to carefully dust the case, scrub the gold fingers of the memory stick, and install it in place, and then use a glue gun to glue the two sides of the memory stick.
3. If a power-on alarm occurs once a month or two, you should first replace the memory module of another brand to check whether the fault disappears. If the fault persists, you can only replace the motherboard of another brand.
