Test your PSU or replace it if your power supply units fan is not working your PSU is faulty One bad lead can cause a computer to continue on a cycle or to shutdown or fail to detect/ boot up a computer hard drive Test all leads that attach to your hard drive including electrical extensions,IDE,SATA the leads from your ((motherboard to your hard drive)) make sure they have a secure connection and are not faulty or just replace them they could be faulty
make sure all leads that are attached to your drives dvd\cd 3 1/2 inch floppy have secure connections and are not faulty even the electrical extensions or just replace them they could be faulty a computer needs its connections to continue its cycle and have an end so any faulty leads will end up with a computer error if this fails to fix the problem
another possible reason could be a memory dump you might be running to many programs at the one time placing to much strain on the CPU also you might not have enough RAM random access memory to check what is running when your computer is running scroll to the bottom toolbar right click select task manager applications and processes if you see something you dont need running select end now to check how much ram you have click start right click on my computer select properties you will see all of your computers details another way to check how much RAM you have click start all programs accessories system tools system imformation all of your computers imformation will be there try uninstalling a few unnecessary programs then click start run type cmd then type chkdsk/r/f which will scan for and attempt to fix any bad sectors and automatically fix any corrupt files on your hard drive this will schedule on a restart don
im not sure if a corrupted bios would cause this problem however you could download there are many bios freeware tools
http://majorgeeks.com/BIOS_Patcher_d3965...
Find and fix errors in your system BIOS
BIOS Patcher can find and fix errors in your system BIOS (only AWARD BIOS for now) and also it can add or open new features, i.e. some features that your BIOS has but they are closed by manufacturer of your motherboard. It scans rom file. If it finds any known errors it fixes the errors. If it finds any closed features it opens it.
also
did you change the first boot device back to hard drive 0 http://majorgeeks.com/downloads25.html
here you will find a vast array of bios tools
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You want to delete the current partition where Windows is installed. Use the arrow key to select it, and press D to delete it. Press L to confirm. Then, to create a new partition, select the unpartitioned space and press C. To create a new partition with the maximum amount of space allotted to it, press Enter.
Now select the brand spanking new partition you've just created to install Windows on. Format the drive as NTFS (Quick if you want, but I went thorough just to be sure.) Depending on the size of the drive and how fast your computer is, this will take some time. Get a sandwich. Then, follow Windows Setup's steps, set your area code and name and password and let it reboot as many times as necessary until it asks you to log in for the first time. Congratulations! Welcome to your fresh new Windows installation.
But we're not done yet.
Step 2. Install any missing drivers.
Once you get Windows XP up and running, chances are everything on your computer won't be working perfectly. Are you connected to the internet? Can you play music? Is your screen resolution unusually large? The answer is probably no to all those questions, except the last one. Do not panic. This is the part where you install the right drivers for your hardware. First, get a list of what Windows doesn't have installed correctly. From Control Panel, go to System, then Hardware, and click on the Device Manager. Chances are it'll look something like mine did after my fresh installation:
Those yellow question marks/exclamation points are Windows' way of saying "I know this hardware is here, but I don't know what it is or how to control it." Insert each driver CD you've got stacked up beside you and install the software needed for all your computer's components. If you don't have a driver disk, get on that other machine you've got next to you, and Google up the brand and model of each of the components for which you need a driver, download, burn to disk and install on your fresh Windows machine. Those two handy hardware audits you printed out in Step 2 will be your friend, but without the discs that came with your machine, it will be a bit of a guessing game, matching up the yellow question marks with the items on your reports. Take educated guesses. Good luck.
As for me, I had to manually install drivers for my video card, sound card, printer, TV tuner card and Bluetooth adaptor. Your mileage may vary.
Step 3. Update Windows.
If you used the Windows installation CD that shipped with your computer three years ago, you've got an old version of Windows that came out 7 service packs ago. As soon as you're online (got that ethernet card/wifi card driver installed?) go directly to Windows Update and patch up Windows nice and tight and secure. Do not wait to do this as there are probably lots of computer baddies just beyond your network card waiting to ravage your virginal machine the minute it's out there alone in the wild internet. Yes, that sounded dirty on purpose.
Step 4. Install all needed software applications and tweak Windows to taste.
That's it folks, you're in the home stretch. Go ahead and have a big old software installation party with all the apps that run your life. When you're done, copy over your backed up data to C: (if necessary.) Then, sit back and give yourself a well-deserved pat on the back. You deserve it.
After I upgraded my PC and reinstalled Windows, the amount of used space on my C: drive was about half the size it was before I started, as was the size of my Windows registry. But most importantly, a few really annoying inexplicable problems I had disappeared - like no native Windows wifi network detection, a constant missing DLL popup when I launched one program in particular, the refusal of one piece of software to install at all. Plus, things felt snappier and happier in general.
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thx for the tips.. i will try it later.. one more thing, is a faulty or corrupted bios could couse this problem?
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