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boot up

By adamhardy21 ·
my pc was working fine and i shut it off and when i turn it back on the next day it went throught the check screens and then went blank and all i could do is turn it off by the cables. I tryed going into safe mode but all it does is goes blank again. Thanks for any help u could give me.
Adam

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by adamhardy21 In reply to boot up

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by adamhardy21 In reply to boot up

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by adamhardy21 In reply to boot up

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by Nacromancer9 In reply to boot up

unplugging the computer is not good all you should have to do is hold the power buttom for about 15 seconds and it should shut down, none the less. This will get you back up where you can access your Bios and CMOS.
Afte uplugging the computer open the case and remove the CMOS battery for about five minutes and check it's voltage if you have a multimeter. Better yet before removal buy a new one and replace it. BUT once you remove the battery wait at least fiev minutes and then replace it. This will reset the CMOS. Then go into your BIOS and check your settings, see what your bootable drive is by default, and depending on what OS you are using set the bootable drive to either the floppy or CD-ROM. make sure you save any changes before you exit, then do a re-boot. If your system still does not come up then it could mean your hardrive has gone bad, or you have one heck of a virus.
If your computer still does not come back up by booting up normaly, then try booting the computer from a CD-ROM. If will allow you to do so, try to get in and retrieve any files you wish to keep to a disk. And then re-boot the system with a clean install. If it is a virus this will get rid of it. If it the hard drive it will not allow you to reinstall because it will not see the hard drive and not install. Which could also mean Disk Manager is failing, and that can get extensive to explain here on how to fix, but at least these few steps should get you to the point where you can get into CMOS.
Note* as a suggestion, if you do replace the hardrive, do yourself a huge favor and stay with the same manufacturer as the one you are removing. Changing hardrives is not a big thing, but if you change the manufacturer I have seen it more than once the system may not like the change and cause more problems than a simple fix will cure. DO not ask me why but it is the truth.
I hope this helps...

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by willcomp In reply to boot up

I am assuming that you get to Windows startup screen and that's when PC reboots.

First thing to do is replace memory. If you have 2 or more sticks in system try booting with each one.

Second thing is power supply. Although unlikely in your case, power supplies can cause strange problems. Test with a known good one of higher wattage, if possible.

Longer shot but still plausible, check video adapter. Swap if possible. Video memory could be the culprit.

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