Windows 7 Forums

Welcome to Windows 7 Forums. Our forum is dedicated to helping you find support and solutions for any problems regarding your Windows 7 PC be it Dell, HP, Acer, Asus or a custom build. We also provide an extensive Windows 7 tutorial section that covers a wide range of tips and tricks.


Windows 7: Computer not turning on.

02 Sep 2010   #1
emJay

Windows 7 Professional x64
 
 
Computer not turning on.

Hey guys,

For some reason my computer's just not turning on. The motherboard light is on, showing the PSU is working. But when I turn on the PC it just doesn't boot or even start at all.

Sorry for the vague description, just really unsure what the problem could be.


My System SpecsSystem Spec
.
02 Sep 2010   #2
Carl Lawrence

Dual-boot: Windows 7 HP 32-bit SP1 & Windows XP Pro 32-bit SP2.
 
 

It might be your motherboard.
My System SpecsSystem Spec
02 Sep 2010   #3
Dwarf

Windows 8.1 Pro RTM x64
 
 

Do you get any beeps when you attempt to switch it on, and if you do, what do you hear?

After each step described below, power your system up and note if there is any sign of life. Please report back with your results.

1) Check and recheck ALL motherboard connections, especially the power and front panel cables. If your motherboard has onboard graphics capability, remove your card (if you have one fitted) and use that instead.
2) Unplug the optical and HDD drives from the board and disconnect their power cables.
3) Reconnect the drives, one at a time. Repeat until all drives are reconnected.
4) If you removed a graphics card, reconnect it. Don't forget the auxiliary power connector(s) if needed.
My System SpecsSystem Spec
.

02 Sep 2010   #4
MacGyvr

Windows 7 Ultimate RTM (Technet)
 
 

The light on the MB doesn't mean the PSU is working properly. It just means there is "some" power there. You need a professional to actually test the power supply, or do it yourself with a tester available cheaply on eBay. You could also test it by temporarily swapping it out. The PSU is the most likely culprit.
My System SpecsSystem Spec
07 Sep 2010   #5
emJay

Windows 7 Professional x64
 
 

When I switch it on there's no response what so ever (no fans booting up or anything) and the only thing that indicates power is the red LED on the motherboard.

Thanks so far for all the helpful replies.
My System SpecsSystem Spec
07 Sep 2010   #6
Carl Lawrence

Dual-boot: Windows 7 HP 32-bit SP1 & Windows XP Pro 32-bit SP2.
 
 

It could be your PSU.
My System SpecsSystem Spec
Reply

 Computer not turning on.




Thread Tools





Similar help and support threads
Thread Forum
computer turning itself on during night
Hi everyone, Just wondering if anyone has any solutions to this other than a complete shutdown. I place my computer in either stand by or hibernate and for some reason in the early ours of the morning it will turn itself on and sit on the login screen. I think it must be some kind of...
Performance & Maintenance
Computer not turning on
last night my pc was running, suddenly it powered of itself. then i manually powered it on, this happen for two times, third time as same as previous it turned of, then i tried to on it again but my pc wont turned on, after powering on - power light not turning on, but processor fans are...
General Discussion
When turning off computer & turning it back on again screen is blank
Here is the issue, when my computer goes to sleep after it's on for a while when I move the mouse to get the screen back up it shows the backround no icons or anything to click. Same if I turn it off and turn it back on. I have to turn it off and on many times then go to safe mode and shut down...
General Discussion
Computer Not Turning On?
My computer isn't turning on, I've tried multiple power cables and different powerboards. How can I tell any signs of something breaking inside the computer (it's a desktop). What do I look for signs of? Thanks.
Hardware & Devices
Problem with turning computer on
Guys, I know that most of you here know for a problem, in my opinion hardware related, when you hear a little noisy sound that comes out from your computer case, your machine is not turning on but having power, and you wonder what that might be... So, I usually used to resolve this problem by...
Hardware & Devices
Help... Computer turning off.
Hey... My computer has started to turn itself off and when i turn it back on it shows this error message, dose anyone know how to sort it? Thanks much . http://img685.imageshack.us/img685/835/77680729.jpg
BSOD Help and Support

Our Sites

Site Links

About Us

Find Us

Windows 7 Forums is an independent web site and has not been authorized, sponsored, or otherwise approved by Microsoft Corporation. "Windows 7" and related materials are trademarks of Microsoft Corp.

Designer Media Ltd

All times are GMT -5. The time now is 10:08.

Twitter Facebook Google+



Windows 7 Forums

Seven Forums Android App Seven Forums IOS App