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My Computer Does Not Boot

My PC does not boot when I press the power button on. The power comes alright but it will not boot and load files unless I leave it on for a long time and later reboot it again. This has been the problem for sometime now and I decided to take it that, the Intel Mother Board Intel D845PEBT2 needs to get heated up before it finally boots. I wish to bring this issue to your notice so you can help me out.
Another issue is that, it always reports a system date change(Problem with the C MOS date after it finally boots (thus during the booting up process). A computer technician in my area advised that I should change the CMOS battery, I inserted a new CMOS battery but the problem remains the same. Please help me.

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  • Kalevra13
    Kalevra13 Jan 10, 2009

    Ya i have the same problem, everything powers up but no signal to monitor. Is the board sol or is there maybe a siple solution that you geneouses know of??? Thanks for any help.

  • limerickeire Mar 24, 2009

    My Gateway laptop ML6227b will not power up either with battery or power cable. What do you think could be wrong. Would apreciate your help on this. Regards from me Don

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  • 192 Answers

If your system is still not holding the date and time after changing out the CMOS battery, then ther is what is called a "cold" solder joint on the motherboard thjat might work, as you mentioned, after the system is warm.
However, sicne the system does boot up and operate later, it is more likely that the power supply has the issue and is not delivering power properly until it stabalizes.
Get a replacement PS, just make sure that it has at least the same wattage as the original one. You don't even have to physically install it at first, just swtich all the connections from the old one to the new one and see if the system comes up right away. It is does, then do the swap. If not, you can return it and replace the motherboard.


Posted on Jan 10, 2009

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Two event log files that come in handy for troubleshooting your PC are the boot log files. These files are created when you specify boot logging as a start-up option. The files are named either ntbtlog.txt or bootlog.txt, depending on how old your PC is. These files, found in the Windows folder, list the success or failure of various pieces of Windows as it's loaded into memory from the PC's mass storage system.
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Can you at least boot up pass the BIOS POST?

If you can try tapping F8 repeatedly, sometimes it will give you choices of boot devices, so just choose your primary hard drive press enter and tap F8 again until you see the Advance Boot Menu, choose safe mode and see if you can successfully boot into it.

Once in safe mode click on Start>Run then type in restore. Anew window will pop up. double click on on rstrui icon.

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Hi bridey28, when you replaced the cmos battery & the bios did not maintain the correct time than the cmos is not at fault. More likely its your power supply. The cmos receives its power (Recharge) from the power supply. An average cmos battery should last for 5 years. The fact that you attempt to power up the PC & you have to wait, points to a power supply problem. Not a bios problem.
Bios corruption is rare, unless you have tried to flash the bios & it failed. Replace the power supply before attempting flashing the bios. Every manufacture warns against flashing the bios. Only flash the bios if your 100% sure that it will correct a bios malfunction. If the issue presist after replacing the power supply, Intel has instructions of (How to flash the bios) on their site.
Here are the instruction from Intel for your MB model number.
http://downloadmirror.intel.com/5519/ENG/BIOS%20Update%20Readme.pdf

You'll need this link to download the bios file;
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Good luck bridey28!
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