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Windows 7: Desktop with windows 7-OS not starting

24 Sep 2012   #1

windows 7
Desktop with windows 7-OS not starting

hiii all,

For last few day my desktop (lennovo -K210) not starting soon after,the cpu start button is pressed,The fans just running again and again for few mins(almost 15-20 mins) after few mins the cpu(Fans) stops running...and all the lights goes off...then if the cpu-start button is pressed the computer starts....the most amazing thing is at the start-up no error shows starts normally..

And the one main event i noticed is this happen only when the computer is started after long time(8-10 hrs) of shut down...,once i got same problem as i said above and after few mins it started...just to check the problem i shutdown the computer and started started at the first press of cpu "start"no delay on 2nd start-up.

I tried the following,but no use at all:

1.restored the system configuration by start-up utility
2.reset system cmos through jumper
3.changed new motherboard battery

Help would be highly appreciated,thank you

My System SpecsSystem Spec

26 Sep 2012   #2

windows 7

Need help with this problem...
My System SpecsSystem Spec
27 Sep 2012   #3

windows 7

Hiii,no reply so far...i need to confirm wheather... I naratted the problem correctly or..nobody had experienced this problem so far...plz some one reply
My System SpecsSystem Spec

28 Sep 2012   #4

windows 7

My System SpecsSystem Spec
28 Sep 2012   #5

Windows 7 Professional x64 Linux Mint 16

You need to post your message and wait, someone will be along.

Bumping is not appreciated and might just delay a reply.
My System SpecsSystem Spec
28 Sep 2012   #6

Microsoft Community Contributor Award Recipient

Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1

If having problems:
  • you see bios screen?
  • You can press F8 to enter bootmenu?
My System SpecsSystem Spec
28 Sep 2012   #7


Have you done startup repair? Can you boot into safe mode with networking? Turn on-Press F8 repeatedly, and select it.
My System SpecsSystem Spec
28 Sep 2012   #8

windows 7

hii, startup repair couldn't find any error...and "safe mode with networking" is booting without any error....reinstall the os is the only way to fix this problem.i guess.....
My System SpecsSystem Spec
28 Sep 2012   #9


Have you tried a Restore Point?
My System SpecsSystem Spec
28 Sep 2012   #10
Microsoft MVP


Try unplugging the HD to see if it starts correctly every time. THis can be caused by bad code in the boot sector. What's required in that case is to back up your files, wipe the HD with Diskpart Clean Command to run Clean Reinstall - Factory OEM Windows 7

If not then you have a hardware problem most likely in your Power button assembly or Power Supply. To test each you can bypass the switch by crossing the leads, or trying another PSU. Psu calculator - Windows 7 Forums
My System SpecsSystem Spec

 Desktop with windows 7-OS not starting

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