What does it mean if the CPU is burned out?

The symptoms of a burned out CPU are: 1. Black screen, no alarm sound when booting; 2. Data calculation will be very slow, and in severe cases, the computer cannot even be turned on.

The symptoms of a burned out CPU are:

The symptoms of a broken CPU: The CPU is not easy to break. Unless the power supply is insufficient or burned out.

1. Black screen, no alarm sound when booting up

2. Data calculation will be very slow, and in severe cases, the computer cannot even be turned on.

How to deal with it:

The CPU is broken. As an ordinary user, the easiest way to repair the CPU is to straighten the CPU pins after they are accidentally bent. Most CPUs have problems. Basically they need to be returned to the factory for repair. Once the CPU is broken, it can only be replaced.

Extended information:

CPU security issues:

The vigorous development of CPU also brings Many security issues. The FDIV bug (Pentium Floating Point Division Error) that appeared on the Pentium processor in 1994 could cause errors in floating-point division; the F00F exception instruction on the Pentium processor in 1997 could cause the CPU to crash.

In 2011, there was a buffer overflow problem in Intel processor trusted execution technology (TXT, trusted execution technology), which could be used by attackers to escalate privileges; in 2017, in the Intel management engine (ME, management engine) component The vulnerability can lead to remote unauthorized execution of arbitrary code.

In 2018, two CPU vulnerabilities, Meltdown and Specter, affected almost every computing device manufactured in the past 20 years, putting private information stored on billions of devices at risk of being leaked. These security issues seriously endanger national network security, critical infrastructure security and the information security of important industries, and have caused or will cause huge losses.

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