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Repeat of Similar problem re bootup hesitation

Posted on 2007-08-03
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After running fine for a couple of years, my computer has developed a strange problem. When I turn it on everything lights up as normal and the fans start spinning for a split second and then it goes dead for about one second. After this, without me doing anything, it all lights up again and loads normally except my bios is reset.
Is this likely to be a power supply problem? My friend suggested it could be caused by the motherboard battery failing but I'm sceptical about this.
The above problem has been posed before and the originator solved this with advice using options in his BIOS which do not appear in mine - or al least I cannot find them. My board has an AWARD Phoenix BIOS and I have tried the 'Load Fail Safe Defaults' and the 'Load Optimized Defaults' options both of which have no effect on the problem.
If having set the Date and Time settings in the BIOS and booted up Windows, I then hibernate and then restart after a short interval the system reboots with no problem and the date and time are retained showing, I think, that the mainframe battery (which I replaced when the problem first occured) is OK.
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Question by:Philtrigon
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by:☠ MASQ ☠
ID: 19623846
Are you getting any screen messages when it does start?  It does sound like the CMOS battery could be the culprit & should  be less than £5 to replace.
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by:Shanmuga Sundaram
ID: 19623883
Dear Mr.Philtrigon

Regarding Computer Hardware problems, no one can give the exact reason why it happens because it may be due to many problems. Sometimes the sugessitions provided will be helpful to solve the issue but many times one cannot assure the exact solution. Any how now i try to answer what I know based on my experience.

1. Each time when  you switch on your computer, when the computer asks you to press some keys to proceed further or else if the date and time is reset then it may be the CMOS battery problem. Hence you can try replacing the CMOS Battery.

2. Next you try disconnecting all the external power cables, clean it and then try to re-plug it. If you find any dust near / in your computer try to clean it. Be precautious that the dust doesnot get inside your computer.

3. If all the above doesnot work, try contacting a good Hardware technician.

Hope that this will give you some ideas for your issue

by
D.Shanmuga Sundaram
 
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by:Philtrigon
ID: 19623985
I seem not to have made myself clear. I have replaced the battery on the motherboard - presumably this is the CMOS battery.
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by:☠ MASQ ☠
ID: 19624034
Sorry, yes sounds like it usually a coin sized 3V battery.
The reason for asking was the CMOS settings are being reset each time.  The battery is meant to retain these.
Is there any possibility that the battery is not providing power to the board?  Damaged connectors, dead cell?
I'm wondering it the original problem was dead battery and the current one is battery not working correctly.

As far as the BIOS seetings go which version are you running?  You should get a version number on boot or on entering setup.
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by:Philtrigon
ID: 19624139
I have just shut down Windows and restarted so as to see the BIOS version. The date and time were retained. The battery seems to work OK for 2 minutes at lest!
The AWARD version is :- v6 00PG
Detail at the bottom of the screen is :- 06/19/2003 - 875P + ICH5R - JS79BC0CC-00
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by:☠ MASQ ☠
ID: 19624198
The most recent BIOS for your board is here
http://www.chaintech.com.tw/eng/a41_product_downloads.php?mk=106&sk=&type=pro

Try switching off AND disconnecting the mains lead before restarting to check how the battery is holding up.
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by:Philtrigon
ID: 19625020
I cannot see any point to trying a more recent BIOS as the present one has always performed adequately and it probably is a bit of a risk with the current situation as it is.
I will certainly try what you suggest re disconnection of the mains lead.
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by:☠ MASQ ☠
ID: 19625053
I agree with you about the BIOS, only posted as you were describing a similar board with additonal options available.
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by:Philtrigon
ID: 19625254
I shut down completely disconnected the mains and restarted. The original problem of starting/stopping for about 1 second/ continuing  to bootup and requiring a seset occured. I unfortunately don't have a further battery to hand so will have to wait a little to see if the previous two were at fault.
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by:JohnnyCanuck
ID: 19627186
There is a jumper on the motherboard to reset the CMOS, try that.  Sometimes the CMOS will become corrupt for no apparent reason.  Your problem sounds like it is BIOS/CMOS related.  For instance, if the CPU is not correctly identified or is mis-identified in the CMOS setup, the computer may reboot after it correctly identifies the CPU.  This problem also occurs when a dead or dying CMOS battery is installed - when power is applied to the motherboard (you turn the computer on) the default CMOS values are loaded (which may report a CPU that is different from the one actually installed), when the BIOS notices the discrepancy it may try to auto-detect the CPU, and if successful will reboot with the new CPU values stored in the CMOS (which only lasts until the next power-on).  To test this boot the computer to your desktop, select reboot from the shutdown menu.  If it reboots normally then your problem is the CMOS/CMOS battery/CMOS battery connection.
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by:Philtrigon
ID: 19631169
Thanks for suggestions from all. I always thought that the problem was related to the motherboard battery which I had replaced twice with no sucess.
However I never thought that I might have put it in 'upside down' i.e. reverse polarity!
I checked on an old review sight and realized my error on seeing an image of a motherboard with the '+' side of the battery on top.
My feeling of guilt after 50 years in computing has nearly stopped me from confessing - but it could help some other 75 year old in the future!
Everything OK now - thanks to you all.
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by:☠ MASQ ☠
ID: 19631216
Confession is good for all of us.  As penance I suggest you hang around the site. With 50 years experience in computing you will be able to teach us all something :)
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by:Philtrigon
ID: 19631235
Nice thought. But I think a 7.5 year old might do better!
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by:☠ MASQ ☠
ID: 21716622
PAQ/Refund accepting http:Q_22739733.html#a19631169
(see Asker's post)  Although I think someone did mention the CMOS battery being the source of the fault earlier on ;)
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