Big brother, help, the computer won t turn on

Tell me about the specific situation.

Reinstallation instructions: 1. Since the computer cannot be turned on, it needs to be reinstalled with a USB flash drive, and another available computer must be used to make a boot USB flash drive.

2. If you are running 2G or less memory, reinstall the 32-bit system, and if you have 4G or more memory, select the 64-bit system.

3. Before reinstalling, you need to back up the C disk and desktop files, if the system is damaged, enter the PE backup.

4. If you can't even enter the USB flash drive, it means that it is a hardware problem, and you need to find someone to check and repair or replace the hardware.

1. Preparation for reloading.

1. One computer and one USB flash drive can be used.

G and above U disk: Chinese cabbage U disk making tutorial.

2. Boot settings: How to set the boot to boot from the USB flash drive.

Third, the all-in-one computer can not be turned on the machine to reinstall the system method.

1. Make a USB flash drive boot disk on an available computer, and copy the computer system ISO file directly to the GHO directory of the USB flash drive; win10 on ** ask 10 system, and then choose win10 to install!

2. Insert the cabbage U disk on the all-in-one computer that can't be turned on, and keep pressing the shortcut keys such as F12 or F11 or ESC to open the boot menu after restarting, and select the U disk option to enter, such as General Udisk, the computer that does not support these boot keys to check the second point to set the U disk boot method, if the BIOS can't enter, it is a hardware problem;

3. Start from the U disk to enter the main menu of Chinese cabbage, select the option enter through the arrow keys to start the PE system, if you can't enter the PE, select the old PE system;

4. Enter the PE system, users who do not need partitions directly execute step 6, if you need to repartition, you need to back up all the data, then double-click to open the [DG partition tool], right-click the hard disk, and select [Quick Partition];

5. Set the number of partitions and the size of the partition, generally C disk is recommended to be more than 35G, if it is a solid state drive, check "Align Partition" to 4K alignment, click OK, and execute the hard disk partitioning process;

6. After the partition is completed, open [Chinese cabbage one-click installation], select the ISO image of the computer system in the image path, and the tool will automatically extract the GHO file, click the drop-down box to select the GHO file;

7. Then click "Restore Partition", select the location of the system disk, generally C disk, if it is not displayed C disk, you can select according to the "volume label" and disk size, click OK;

8. This prompt box pops up, check "Restart after completion" and "Boot repair", and click Yes to start the system reinstallation;

9. Go to this interface and perform the operation of system restoration to C drive, this process takes about 5 minutes;

10. After the operation is completed, the computer will automatically restart, at this time, pull out the USB flash drive, restart to enter this interface, and continue the system reinstallation and system configuration and activation process;

11. The whole reinstallation process takes 5-10 minutes, and after the system is reinstalled, the all-in-one computer can be turned on normally.

The computer can't turn on the machine and reinstall the system method is like this, when the computer can't be turned on, it is generally necessary to use a USB flash drive or CD to guide the reinstallation.

If the error prompt is "CPU fan error", you can open the case to see if the speed of the CPU fan is normal, whether the fan is stuck by foreign objects such as data cables and power cables, or if the fan lacks lubricating oil and the speed is too slow, you can change to a new fan to see if it can solve the problem.

The above is a CPU fan error, you check if the CPU fan has abnormal noise or speed.

Turn on the computer, press the dell key, and then enter the BIOS to see if there is a hard disk, if the hard disk is normal, you can redo a system, if you can't find the hard disk, that's called checking the hard disk cable, I use a damaged one, or the connection is bad.

Problems with the computer's power supply. Check whether the power cord is plugged in and whether the power indicator lights up normally.

The hard drive is loose. Disassemble the computer and reinstall the hard drive.

The memory module is loose or in poor contact. Reinstall the memory module.

If the computer hardware is damaged, it is recommended to send it directly for repair.

Go to the BIOS and set up the boot.

In fact, there are many reasons why it can't be turned on, such as no power and memory sticks, which need to be checked one by one, if there are no problems, you need to take it to the repair shop to check.

Dear Lenovo users, hello!