Computer black screen What is the reason, the computer black screen how to do?

Jinshan security experts for you to analyze the computer boot black screen, computer black screen reason

Recently, in the major IT portal sites and forums, many netizens consulted "computer black screen is what caused the computer black screen, how to solve?" But the friend gave the answer is not very satisfied, and do not know how to operate, after security experts on the user's computer inspection analysis,

1. Virus Trojan is the cause of computer boot black screen: This kind of Trojan mainly through some fraudulent download site, disguised as video player software, stock software and other popular software to disseminate, the Trojan after the computer first modify the system boot Startup items, and then through the computer boot, tamper Browser homepage, Continue to play IE Web ads and fake QQ lottery information, the play its main target for the game has "Swordsman Love 3" "Tianlong Eight" "Dungeons and Warriors" "through the FireWire" and so on, QQ, net silver for the stolen number. And some security software only on the virus Trojan file repair, but not the registry repair, resulting in computer boot black screen

2. Install black screen patch, the so-called black screen patch is Microsoft to warn the use of XP Professional operating system of pirated users, take one hour black screen.

3. Video card and graphics driver incompatibility caused by computer boot black screen phenomenon, as long as the matching graphics driver installation can be resolved

3.. hardware problems caused by.

Host power supply instability or poor quality caused.

Excessive overclocking causes computer black screen

Poor contact with accessories, such as loose memory, poor data line contact, etc.

Video card is damaged or poorly contacted

　　Computer black screen How to do, Jinshan Guardian to provide you with solutions

First, check is not a hardware problem, respectively, check the power supply, memory CPU, fan, if you do not understand the hardware repair, I suggest you do not operate, please get professional computer repair points to repair.

Second, and then check is not a virus trojan, some security anti-virus software to take the violent anti-virus, only delete virus Trojan, regardless of the virus Trojan to the computer system file destruction, resulting in the computer constantly abnormal errors, such as computer boot black screen, recommended the use of Golden Hill guardian of the virus Trojan Kill, You can also repair the registry of your system

1, into the main interface into the "Killing Trojan"

2, and then click on "Quick Scan" can

Manual Repair computer boot black screen virus method

In the Start menu, enter regedit in run, open Registry Editor, and locate the following registry key: [Hkey_current_usersoftwaremicrosoftwindowsntcurrentversion Winlogon], Change the Shell key value to Explorer.exe

Three. Check whether the installation of Microsoft Black screen patch led to computer black screen, through the Start menu to open Control Panel, and then double-click to run Add/Remove Hardware program, find KB905447 patch, and then uninstall the restart computer can