I initially thought it was a system problem, but changing the system didn't solve the issue, and I even tried several different versions.
Then they suspected the hardware, checked it over and over, and then checked the data through the software and found that it was correct and displayed normally.
If the problem can't be solved on-site, we can only take one or two machines back for detailed inspection.
The result was the same when the factory engineers were given the task; everyone was completely baffled.
Don't underestimate a computer just because it consists of only a few components; problems can be quite complex. Start by ruling out system issues, then check the software – could a bug be causing the problem? If all else fails, then look for hardware components.
Besides the system, the most likely culprit for slow or laggy performance is a memory issue. If the memory is not the problem, then check the hard drive.
If the above methods still don't solve the problem, then check the CPU.
Computer malfunctions can only be diagnosed by elimination, one by one, by ruling out problems one by one.
After two days of troubleshooting, all the hardware and software are fine, but the engineers at the company feel like they've encountered something strange.
It's unbelievable that someone would find out the cause of a malfunction in a machine they made themselves.
As the saying goes, data doesn't lie, but often, if you trust data too much, you'll be taken advantage of without mercy.
Software testing is always the initial basis for judgment, and it does not have complex diagnostic functions. Especially in the early stages of diagnosing computer faults, software plays an auxiliary role, while everything else relies on experience for the initial judgment.
If a motherboard malfunction cannot be diagnosed using software or experience, then you'll have to use a multimeter or locate the source of the heat. And the components most prone to failure are usually resistors and capacitors.
Finding the heat source is one of the best ways to diagnose a fault; if a component generates a lot of heat, simply replace it.
As for CPU failure, it's very obvious when it malfunctions. Either it won't turn on, or it will overheat severely. If you notice it overheating, you must disconnect the power within ten seconds, otherwise it will easily burn out.
The engineers also suspected the CPU, but they couldn't find either of those faults. The computer could power on, the fan was spinning, and it could boot into the system, but it just couldn't run any software.
By using the process of elimination, the CPU fault was ruled out, and the cause was then investigated from the other major components.
For a whole week, the cause was still not found, and the number of calls reporting the problem kept increasing, to the point that the technician in charge of the on-site repairs was getting angry.
Shipping products without properly adjusting the computer is a serious quality issue.
The situation was getting serious. As the number of repair requests increased, some customers even wanted to return the goods. This matter also alarmed the senior management of the company, who realized that there was a serious problem with this batch of goods.
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