My desktop wont open .. it will only load windows 7 logo then it will suddenly restart

what happen to my desktop

if u dont have any hardware knowledge its better to contact some hardware expert near u .. who can chk for errors or u can post this issue to some hardwareforum where u can expect to get better replies

I have the same problem when my motherboard was faulty. At first there was occasional restart and it started to happen often and often. In the end it restarted a few second after booting.

I've seen that before, turned out to be the fan over the processor clogged in dust which caused it to overheat.

It is either hardware or a windows issue.

Try to get a bootable CD like Bart's PE was and try to boot from the CD.

If it boots fine than windows is guilty, otherwise it's hardware.

you can try this steps

first clean your ram.and fix it again in your another port.restart

 

if still any problem check your connections

or simply by an cd of window 7 and select repair. may be a virus penetrated your window.

if steel you find problem than feel free to ask.

Check eith those option, I thing they would be helpful.

• Data Execution Prevention (DEP) is disabled either in the BIOS or in the operating system.
• The system is configured to enter hibernation or to enter hybrid sleep mode when the power button is pressed.
• The language version of the operating system that you are running is a double-byte character set (DBCS) language. For example, you are running a Chinese, Korean, or Japanese version of Windows 7 on the computer.

if you still have difficulties you can get further online help by computer repair in sydney.

Access BIOS mode and check If your PC automatically restart within 1 minute or 5 minute then it means your PC SMPS is faulty and you need to change your Powersupply(SMPS)

 

You can use Live Ubuntu CD? Maybe your PC is infected by virus or your Windows Logon profile is corrupt.