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Often a blue screen occurs on my friend's computer and it can't be turned on. There are many reasons for a computer blue screen. If computer has a blue screen, don't panic. Follow method below to fix problem step by step, and finally it can be solved!

General treatment

1. First, understand situation with computer before blue screen and operations performed. If computer has a blue screen after overclocking processor or memory, blue screen failure is related to overclocking if frequency has recovered to a normal level.

2. If computer does not turn on correctly when reading a CD, resulting in a blue screen, blue screen failure is caused by a malfunction. Generally, insert CD back into CD, and then close CD tray.

3. If blue screen appears when computer connects and disconnects a specific device, blue screen failure is related to connecting and disconnecting device. Generally, restart your computer to recover.

4. If your computer experiences a blue screen while using certain software, blue screen crash might be caused by that software. Generally, software can be uninstalled and reinstalled to troubleshoot; otherwise it may be The software of program itself has errors and cannot be used.

5. If computer has a blue screen after logging in, there can be many reasons for blue screen failure that need to be resolved in stages. Use antivirus software to check and kill virus first, and resolve blue screen error caused by virus. If error is resolved, it is blue screen error caused by virus.

6. If error persists, restart your computer, and then use "safe mode" to start your computer, log out after startup, and restart normally. If error is resolved, this is caused by a blue screen error. by system error.

7. If error persists, use a registry backup to restore Windows registry back to normal. If error is resolved, this is a blue screen error caused by corrupted Windows registry.

If your computer is experiencing a blue screen (including gaming software) while using certain software, blue screen crash may be caused by that software. Typically, software can be uninstalled and reinstalled for troubleshooting purposes; if not, software itself may have a bug and cannot be used.

The program is not compatible with system

1. Go to device manager and check if there are conflicts with different drivers and if there are yellow ones! If it can be caused by device driver incompatibility with system, uninstall driver, and then install drivers one by one. Reboot computer every time you install device to check which device driver caused error. Once you find out, download a new driver for failed device and install it. Then clean your computer of dust, clean golden fingers of memory, video cards, and other hardware, and reinstall memory and other hardware.

2. If blue screen appears when computer connects or disconnects a specific device, blue screen error is related to connecting and disconnecting device. You can usually restart your computer to recover. If this happens frequently, it means that device is not compatible with system Replace hardware or install a USB Try driver, if error persists, do not hot-swap and try connecting it before turning on machine.

Errors due to memory issues

1. Restore BIOS to factory defaults first, and then run test.

2. If problem persists, remove memory, then dust memory and motherboard and check if problem is fixed after cleaning.

3. If problem persists, wipe gold finger of memory with an eraser, after cleaning, install and run test. (The yellow part in picture below is golden memory finger)

4. If error persists, install memory in a different slot and run test. If fault disappears, recheck if spring sheet of original memory slot is deformed. If so, just adjust it.

5. If problem persists after replacing memory slot, use replacement method to locate memory. When good memory is installed on motherboard, fault disappears. It may be a failure of original memory; if failure persists, it is a problem with motherboard's memory slot. At same time, install faulty memory on another good motherboard to check if it can be used normally, memory is not compatible with motherboard, if same fault occurs on another motherboard, quality of memory is poor or damaged.

6. Video card driver failure:

A graphic card driver failure usually causes system instability, crashes, screen blurring, incomplete text and images of graphic cards, and other crash phenomena. Video card driver failure mainly includes video card driver loss, video card driver incompatibility with system, video card driver corruption, and failure to install video card driver. In event of a video card driver failure, usually go to Device Manager first to check if there is a video card driver.

If not, just reinstall it. If there is, but there is a "!" in video card driver, it means that video card driver is not installed correctly, driver version is incorrect, driver is not compatible with system, etc. As a general rule, uninstall video card driver and reinstall it. If there is still a "!" after installation, you can download new driver version and install it. If video card driver fails to install, problem is usually with driver or with registry.

If it's a system crash or a blue screen crash caused by a Trojan horse, check and destroy Trojan horse to restore system.

Computer blue screen problem, you need to check cause, try one by one, it is difficult to find cause step by step, currently most common cause of blue screen is a memory or software conflict, so if there is a blue screen, you can first check is it a problem with memory card? Remove memory card and rub gold finger with an eraser. If error persists, then consider a software problem.