In a hurry, the computer I bought yesterday automatically shut down and couldn t be opened

I know why it shuts down automatically, it is because the CPU is overheated and the machine is automatically protected and then powered off and shut down, your fan should not be a big problem, but the problem is that the exhaust outlet (heat dissipation port) of your machine must have serious dust blockage Resulting in poor heat dissipation of the CPU fan I once repaired a notebook This is this problem, and it also confused me at first, and then I wondered if there was a problem with the fan, so I opened the machine to take a look. It turns out that the exhaust outlet is basically blocked, and the fault does not appear again after cleaning, you take a good look at the exhaust outlet of the computer.

The above problems will occur if the laptop does not dissipate heat well and does not dissipate heat, I suggest you buy a laptop base fan, which can better dissipate heat, and that thing only costs about one or twenty yuan. If it doesn't work, you can leave me a message again, and I'll help you check some information.

It's your battery problem, there is a voltage detection option in your computer system, and then it will automatically restart when the voltage is low, protection, the battery may be bought and refurbished, you say plug in the power supply and it's good, then it will become a direct charge, of course, it will not be powered off, all I suggest you go to change a battery to try.

One is that there is a problem with the power supply, and the other is that there is a problem with the system itself. Reinstall the system while it can be turned on.,If it doesn't work, go and change it.。。。

Is it an automatic shutdown or is it hibernating?

Don't move the computer for a long time. The computer hibernates on its own. The indicator light flashed and flashed. Then the black screen. At this time, just press the power switch.

There are computers. When you watch a movie, you love it without moving the mouse. Isn't it?

Don't mess around with it yourself, if you move, he won't change it for you Don't tell them about the problem of charging for 24 hours (it's not a problem, but he will use it as a handle and not change it for you) You just say normal use.

Directly find the dealer to return and exchange, and don't move yourself.

1. If the host is not powered on, first check whether the indicator light on the chassis is on, put your hand on the power supply fan port, and see if the power supply fan is rotating, so as to judge whether the host is powered on; If the host is powered on normally, then see if the indicator light on the display is on, if it is on, the display is also normal when it is powered on, and both are normal, then the power supply fault is basically eliminated.

2. If the computer host or monitor is not powered on properly, please check that the power socket of the computer is in good contact, whether the power cord is broken, and whether the power strip is energized. If it is not caused by the above problems, it may be a problem with the host, and you can ask professional maintenance personnel to repair it at this time.

You can unplug it and check if there is bending, broken needle, and a lot of dirt in the D-shaped socket, which is a problem that many users often encounter. When connecting the D-shaped socket, due to uneven force, or forgetting to tighten the socket fixing screw, the socket is not in good contact, or due to improper installation method, the needle in the D-socket is broken or bent, resulting in poor contact, etc.

3. Open the side cover of the main chassis, check whether the CPU radiator fan and the power supply fan are running, if the fan is not running, then you can basically know the reason, either the motherboard or the power supply problem (if the indicator light on the motherboard is not on, it is a power supply problem).

4. If the CPU radiator fan and power supply fan are running, after shutting down, then we unplug the memory, use the eraser to erase the memory gold finger, change the memory slot and plug it in again.

5. If there are two memory, it is recommended that you unplug one memory and try to boot it up, if it can't be turned on, replace it with another (single) memory plug in, in case one memory is broken and the computer can't be turned on.

6. You can try to discharge the button battery on the motherboard (unplug the button battery and install it again), and then try to turn it on. If the computer has an integrated graphics card + a discrete graphics card computer host, most of the current computers are dual graphics cards, use a screwdriver to remove the discrete graphics card, connect the monitor cable to the integrated graphics card interface on the motherboard to try, if the computer can be turned on, it means that the discrete graphics card is broken.

I don't call a professional maintenance person.

I guess the power supply is burning, so consider changing the power supply.

1.Click "Start Settings Control Panel Power Options Advanced Power Management" and check "Enable Advanced Power Management Support" if your machine supports advanced power management features;

2.Click "Start", and run "regedit", then find PowerDownAfterShutdown in hkey local machine software microsoft windowsnt currentversion winlogon and set the value to 1;

3.The reboot will be successful.

Note: If your machine doesn't support advanced power management, unfortunately you'll have to manually cut off the power when the system is turned off and says "It's safe to shut down now".

Another: Wonderful way to solve win98 me can not shut down.

Both Win 98 and Win Me have such a problem: when the system is used for a period of time, when the system is shut down, it will stay on the screen of "the system can now be shut down normally", and the system can only be shut down by manually pressing the power button of the case.

Many newspapers and magazines have provided solutions to this problem, which can be summarized as follows: install Microsoft's shutdown patch, check if the advanced power option is turned on, and check whether the shutdown sound file is corrupted. However, the author's many experiments have proved that when this happens, these methods may not be effective.

The author's original solution was to restore the system with ghost, and then figured out the following method, which is simple and practical, and is now organized into a document.

1.Create a new text file and rename the file to ". The next step is to replace the system-generated file with this 0-byte "file".

2.Press "Start Run" in turn, enter "sfc" in the "Open" dialog box to run "System File Checker", click the "Extract a file from the installation floppy" option, press the "Browse" button, select the newly created "file" just now, press the "Start" button, then the "File Extraction" dialog box will appear, enter the directory where the file is located in "Restore From", such as "C:", or press "Browse" on the right to select; In the "Save File To" section, enter "System Drive Letter Windows" directly (you can also press the "Browse" button on the right to select); Once you have filled in both fields, press the OK button and start replacing the newly created File with the System Itself. During this process, there will be a prompt of "whether to back up the original file", just press the "skip" button. Finally, when the dialog box asking you to restart the machine pops up, press "Yes", and the computer can be shut down normally after restarting.

If the fault is not eliminated after following the above methods, please first rule out the shutdown sound effect file corruption and other factors. If it still can't be solved, then please press the "F8" key when booting up, select "Safe Mode" in the boot menu to boot, and then restart the system again.

May make hardware problems! It is recommended that you find a professional repairer!