Why is it that my computer is blank when it is turned on, and I have to wait for a minute?

To optimize the system to the satisfaction.

If your computer goes blank after you turn it on, it's usually one of several issues:

Monitor failure: If the computer can start normally, but the monitor is blank, it may be that the monitor is faulty, such as the monitor power cable is not connected, the monitor resolution is set incorrectly, the monitor signal cable is loose, etc.

Operating system problems: If the monitor is blank after the computer is booted, it may be due to a problem with the operating system, such as operating system boot failure, operating system driver corruption, etc.

Memory problems: If the monitor is blank after the computer is started, it may be a memory failure, such as the memory is not plugged in properly, the memory is damaged, etc.

Graphics card problems: If the monitor is blank after the computer is booted, it may be due to a graphics card failure, such as a corrupted graphics card driver, or a graphics card that is not properly plugged in.

For these problems, you can try to check the hardware and software such as the display, operating system, memory, graphics card, etc., to confirm the specific cause and fix it. If you are unsure of the solution, it is recommended to contact the computer after-sales service or professional repair personnel to deal with it.

It may be that some hardware dust has accumulated and caused poor contact, you can first open the chassis to check the motherboard interfaces, especially the memory and hard disk interfaces, and then try to use the eraser memory and graphics card, sound card, network card cheat. You can also check whether the fault light on the motherboard has a faulty display, and find out the problem according to the **.

Details are as follows.

1. Open the chassis and check the motherboard interfaces, especially the memory and hard disk interfaces, which may be due to the dust accumulation caused by the long-term non-use of these parts can not be used normally; Then disconnect all the connections of the motherboard (except the CPU), remove the dust, and check that the motherboard is not disconnected from the virtual connection, or the foreign matter is short-circuited, and the capacitor is deformed and leaking.

2. Use the eraser to erase the memory and graphics card, sound card, and network card gold finger, clean the motherboard slot, and plug in the memory and graphics card, sound card, network card, etc. tightly.

3. If you can hear the sound of the motherboard after booting, but there is no image on the monitor, check whether the connection between the monitor data cable and the graphics card is firmly inserted, and tighten the screws; Also check the monitor for problems.

4. If there is a faulty LED light on the motherboard, you can check whether there is a fault** display after turning on the power, and find the cause of the fault; Try to replace the motherboard battery on the motherboard again, connect the positive and negative stages of the battery, and then install it.

5. Check whether the computer can be turned on after all the connections inside and outside the chassis are normal; If you can't access the system after booting it, it is due to a system failure and you need to reinstall the system.

6. If it still can't be turned on normally, you can only take the computer to the computer repair shop for a professional to check it.

1. You can directly use the "Ctrl + Shift + Esc" shortcut key to open the Task Manager program directly;

2. After the task manager pops up, find "Processes" in the "Processes" tab;

3. Check the "End Process" button below to close the explorer;

4. Then click "File" in the upper left corner to open the menu, and select "New Task (Run)";

5. After that, the "New New Task" window will pop up, enter the name of the process you just closed", and click OK.

There are many, many reasons why it can't start normally, so there are many ways to solve it, and I've collected a list of various solutions on the Internet about not starting, and together they should be able to solve more than 90% of the problems that can't start. Because it can't be booted, you need to open the task manager after booting it before you can perform a series of repair operations.

1. Run the registry, find the shell in the hkey local machine software microsoft windows nt currentversion winlogon, and see if its value is "if not, change it to.

hkey_local_machine\software\microsoft\windows nt\currentversion\ image file execution options\

hkey_local_machine\software\microsoft\windows nt\currentversion\ image file execution options\

If there is one, remove these two keys, restart.

2,There is a file named:,Identified as a Trojan by security software such as Kaba、360 Security Guard,After killing,There is only one background picture on the desktop。 In the task manager, there is no trace of it, even if you recall it, the desktop icon and taskbar are just a flash, and there is still only a pure desktop background in front of you.

Copy one from the normal system, then rename, reboot. The issue of the file being killed as a Trojan horse has already been submitted to 360, and if you are wrongfully killed again, it means that you have been poisoned.

3. This program should be called when starting explorer, and there is a problem when calling it. Rename and restart.

4. Copy a file from a normal computer to overwrite the original.

5. Open the relevant software such as Security Guard 360 to check the startup items, prohibit or delete all the unfamiliar and unsafe, or go to the registry hkey local machine software Microsoft Windows CurrentVersion Run to delete all the items that can be deleted.

6. Enter safe mode, start cmd, run sfc purgecache with sfc scannow to repair the changed system files.

No, if you search again, it won't start automatically.

If none of the above methods can be fixed, it is recommended to reinstall the system.

If the system is poisoned, it is recommended to enter safe mode to see. If you want to solve it completely, you need to reinstall the system.

Did you set any options, and if you think about it, what did you do before?

It may be that the explorer file was deleted.

(1) The display is powered off, or the display data cable is in poor contact. In addition, the computer has been used for a long time, and the power cord of the monitor is easy to oxidize and break;

2) There is no power supply to the motherboard;

3) Poor contact or damage to the graphics card;

4) Poor CPU contact;

5) Poor contact of memory modules;

6) Machine infection.

CIH virus, BIOS

is destructively refreshed;

7) Check the plugging and unplugging, if necessary, you can use a rubber to remove the oxide film on the gold finger;

8) If the floppy drive has a floppy disk, many times it will cause the computer to start or restart, and the computer will have a black screen and cannot enter the system. To avoid such situations, it is also possible to cancel the floppy disk boot item in the BIOS.

The white screen when turned on, or the people who use the computer understand the meaning of this "white screen", but there are also a few people who use the computer who do not know enough about the white screen. Is it a quality problem with the screen or a damaged graphics card? Will it occur if the LCD screen is not in good contact with the motherboard cable frequently?

Why do some laptops occasionally have white screens? How can you determine the meaning of a white screen?

With these questions, the author will give a detailed answer to the meaning of the white screen and the ** that produces the white screen. First of all, the white screen is our term in the maintenance industry, the boot light can be lit, the screen is blank and the boot screen is not displayed, but the sound of entering windows can be heard.

In the process of use, you need to know how to count as a white screen, whether the white screen is connected to the graphics card, as long as the computer and PC monitor are connected to the boot to see if the display is normal (generally there is a port for an external PC monitor behind the computer). If the PC monitor display and the laptop screen display are both white, then the possibility of damage to the graphics card is relatively high. The graphics card of the laptop is divided into two sets of synchronous signal output, one for the LCD screen and the other for the display port, so the best test method for whether it is connected to the graphics card is to connect it to the PC monitor.

Today, the customer sent the Lenovo Zhaoyang (Legend) S300 for repair, and its faulty boot white screen. According to the customer's understanding, the screen will flicker occasionally, and when the flickering is bad, the computer flashes when it is restarted, and it is excluded, and it is not too much to affect the operation, so it has been ignored. But one day, when you turn on the computer again, the screen is blank (1) The display is powered off, or the display data cable is not in good contact.

In addition, the computer has been used for a long time, and the power cord of the monitor is easy to oxidize and break;

2) There is no power supply to the motherboard;

3) Poor contact or damage to the graphics card;

4) Poor CPU contact;

5) Poor contact of memory modules;

6) Machine infection.

CIH virus, BIOS

is destructively refreshed;

7) Check the plugging and unplugging, if necessary, you can use a rubber to remove the oxide film on the gold finger;

8) If the floppy drive has a floppy disk, many times it will cause the computer to start or restart, and the computer will have a black screen and cannot enter the system. To avoid such situations, it is also possible to cancel the floppy disk boot item in the BIOS.

1. If it is xp, it means that the explorer process is dead, the possible reasons are: poisoning (enter the safe mode to kill the virus), hard disk file system failure (chkdskc: f x automatically repair the file system), and there are too many files on the desktop, especially large files (can be removed from the desktop), and in my documents, too many files are placed (by modifying the attributes, move to other disks), other cases are rarely like this, so it is relatively easy to deal with;

2. If it is win7 or above version, this problem occurs, not only the problem of the explorer process and all the above xp is the same possibility, there will be an additional possibility of damage to the user profile, the easiest solution is to create a new user, the authority is also the administrator, normal can not enter, just enter the security mode, as long as the new user is established, the user profile is new, it must be intact, delete the old damaged user in the future, use the system with the new user account. If necessary, you can use the migration tool to migrate the user's data to the new user, including favorites, documents, contacts, mailboxes, etc.

Here's how to fix a blank computer boot up:

1. Restart the computer, press the F8 key as soon as it appears, select "Last Correct Configuration" and press Enter.

2. If the "last correct configuration" does not solve the problem, choose to enter the safe mode, use 360 or other software to repair the system files, and check for viruses and Trojans.

3. If it can't be repaired, you can enter the safe mode for system restoration.

4. It is not possible to reinstall the system to completely solve the problem of the software.

5. None of the above methods work, it is recommended to do the following:

Desktop host: 1) Power off, open the chassis, plug and unplug the memory, wipe the gold finger part with an eraser, and plug it back in.

2) Plug and unplug the graphics card, wipe the gold finger part with an eraser, and plug it in tightly.

3) Unplug the power cord, cut off the motherboard button battery, wait three minutes, and then replace the motherboard.

Laptop:

1) Unplug the power cord, remove the battery, open the back cover of the memory, plug in and unplug the memory, wipe the gold finger part with an eraser, and plug it back in.

2) Unplug the power cord, remove the battery, and press and hold the power button for 30 seconds without letting go.

3) If the fault persists, then send it to the after-sales maintenance center to detect and replace the damaged hardware.

First, it may be a system problem, a possible solution:

1. Keep clicking the F8 key when you boot up, enter the system operation menu, select "Last correct configuration", restart the computer, and see if it can be solved.

2. Boot up and keep clicking the F8 key, enter the system operation menu, select "Safe Mode", if you can enter successfully, click "Start" "All Programs" "Accessories" "System Tools" "System Restore", the "System Restore Dialog Box" appears, and select "Restore my computer to an earlier time". In this way, you can use the built-in system restore function of the Windows system to restore to a restore point when the computer was able to boot normally. (if any).

3. Use the system to install the CD-ROM disc, put it in the CD-ROM drive, restart the computer, enter the CD-ROM installation system state, wait until the boot interface flashes, do not choose to install the system, but choose the repair system, repair the current system (it may run for a long time, 2-4 hours is possible), wait patiently for the repair to be completed, and see if it can solve the problem.

If the above 3 methods are invalid, you can only reinstall the system.

Question, but now I can't turn it on.

Pressing that f8 doesn't work.

What does it mean to ask a question?

It's just that it was blank just now, and now it's all black.

It doesn't matter if you can charge it or not.

Question: How do you get it?