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Problem with boot up

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by ajus21us

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ok im not a computer genius...this has never happened before but recently...my computer is set to shut off every day around 3 am...and when i start it the next morning it cant get past the bios...it will freeze there...if i restart it a few times it will work or if i push the reboot button and continuously push delete i can get the bios to load takes some time but it will load...then i exit the bios and my computer boots right up...problem here...but dont know what it is...please help version is windows xp i have heard it could be one of my hardrives is bad or a power problem...wouldnt i have seen that before?

11 replies

by ajus21us

i have heard that it could be a bad hardrive i have hooked up or a power problem...but wouldnt i have seen that before? this has happened just recently

by older mycroft

Could be that your Shutdown time is constantly interrupting an Update (assuming you are running a M$ OS) causing problems the next time you power-up.

It would help if you told us what type of computer you have and what operating system is runs.

by rob miners

the System remove the power cord from the PSU for a minute and then reconnect it. If it starts up it will be the power supply.

When you enter the BIOS are you saving the settings on exit. Is the hard drive being detected properly in BIOS.

by ajus21us

ok i have an asus motherboard and windows xp home edition yes im saving settings in bios but only when it changes hard drives...sometimes it will change the boot order on its own...then i must enter bios and fix it...its asus p4p800-e
also my shutdown is set for 3 am...also i think my updates are as well...ill change that...ok i have avg anti virus...it was set for 3 am as well and to turn of computer upon completion...instead i have set my auto updates to 3am and my virus scan to 5 am shutdown computer on completion...i hope that will leave enough time inbetween updates and scans

by rob miners

and change the shutdown time to 2.30am.

Edit:

Did it make any difference removing the power cord.

by ajus21us

i havent tried the cord yet...explain that one more time...i turn comp off...pull out cord for 1 min and plug back in...now if the computer starts on its own bad power supply? and i know the computer will start fine right now...it only has a problem when i wake up in the mornings...after it sits all night\\
curious...what will the cmos battery do?

by rob miners

CMOS is short for Complementary Metal-Oxide Semiconductor. CMOS is an on-board semiconductor chip powered by a CMOS battery inside IBM compatible computers that stores information such as the system time and system settings for your computer.

A damaged or insufficiently charged internal battery can corrupt CMOS or BIOS settings. Incorrect or corrupted CMOS and BIOS settings can cause startup problems or shutdown problems. After awhile it doesn't retain the BIOS settings and that can lead to problems like you are experiencing now.

Sometimes when you power down the PSU doesn't switch off all the way and it is still allowing current to pass through. By removing the Power cord you are draining that current.

The ultimate test is to use another PSU and then start it first thing in the morning.

Keep us informed as to your progress if you require further assistance. ;) :D

If you think that any of the posts that have been made by all TechRepublic Members, have solved or contributed to solving the problem, please Mark them as Helpful so that others may benefit from the outcome. ;) :D :-bd

by ajus21us

is the cmos located in the psu? or on the motherboard? that is very useful information thank you much... i will let you know the outcome i will change the battery

by oh smeg

With removing the Mains Lead is to discharge the Capacitors in the Power Supply.

If it starts up straight away the PS is going off and needs replacing as it is not offering enough protection from Spikes and other stray Frequencies on the Mains.

Instead of unplugging for a minute, unplug and press the Power On Button on the front of the case then plug the mains lead back in and see if it starts up now.

Col

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