The black screen problem is more likely to occur in some old computers. There are many reasons. It is usually a hardware problem. We usually find the root cause of the problem through replacement and elimination methods. If you also encounter the problem of a black screen when the computer starts up, you might as well take a look at the following solutions
win7 can be said to be enduring. Although win8 and win10 have been released one after another, there are still many problems. It has not shaken the dominance of win7. However, some friends using win7 system reported that the computer turned on and the screen went black. What is going on?
The following will introduce to you the solution to the black screen in win7:
Method 1. If you are a computer novice, try restarting the machine first.
1. If the screen is still black after restarting, restart again and directly boot into the desktop in F8 safe mode.
2. After entering the system, press the win R key at the same time to open the input command bar and directly enter: cmd, hit Enter to enter the DOS interface.
3. Enter netsh winsock reset catalog and hit Enter directly.
Then it prompts "You must restart the computer to complete the reset. Just restart the machine and it will be done.
Method 2. Other solutions
1. Wiring problem
First reconnect the monitor wiring or replace the wiring , try to see if there is a problem with the monitor wiring. If there is no problem with the connection, it is best to try another monitor to determine whether there is a problem with the monitor.
2. Memory If the memory module is not in good contact, the screen will be black
If the memory module is faulty, there will usually be a long and short beeping alarm sound. If there is an alarm sound, you should open the case, take out the memory module and wipe it clean with absolute alcohol or an eraser. Re-insert or unplug it or try another slot. Be careful not to insert the memory stick backwards.
3. If the graphics card is not in good contact, the screen will go black
Remove the graphics card, clean it, and try connecting it again. If there is no problem with the contact, it is best to ask someone to borrow a different graphics card to try to determine whether it is a graphics card problem.
4. Improper startup of the floppy drive will cause a black screen
Sometimes improper startup of the floppy drive will cause a black screen when the computer is turned on or restarted. To avoid this situation, you can also cancel the floppy disk startup item in the BIOS. Press DEL to enter the BIOS after booting and select When advancedbiossetup sees floaty, change it to HDD-0 or IDE-0.
5. Improper display settings will cause a black screen
Sometimes the display cannot withstand the high resolution of the graphics card, adjust the display brightness button.
6. Improper addition of new hardware will result in a black screen
Check whether the new hardware is plugged in securely, unplug it, try another slot, and install the latest driver.
The above is the solution to the black screen when the computer starts up. I hope it can help you.
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