BIOS problem no HDD detected on bootup

January 3, 2010 at 09:26:52
Specs: Windows XP
When I turn off my computer over night and then turn back on the bios does not see my hardrives, I have to unplug it from wall, plug back in and the it will work. Then I would have to run disk check for my hardrive to boot. Weird right?! But... if I just do a quick reboot the computer is normal. Any suggestion? Thx.

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#1
January 3, 2010 at 09:32:30
How old is the cmos battery? Sounds like it needs to be replaced.
There cheap!

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#2
January 3, 2010 at 09:33:12
Laptop or desktop? Model of computer?

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#3
January 3, 2010 at 09:39:06
desktop

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Related Solutions

#4
January 3, 2010 at 09:40:51
i bought the computer used... about 6 years ago



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#5
January 3, 2010 at 09:46:33
I also think your problem is the CMOS battery. It is a silver flat coin shaped battery mounted on the motherboard. Look at the link below for a picture. When removing pay attention to which side goes up. Polarity matters.

http://images.google.com/images?q=p...


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#6
January 19, 2010 at 06:43:09
Well it's been a few weeks since I changed the cmos battery and I'm still having the same problem. Today I could not boot up at all, getting a message saying (in a black screen) file is corrupted windows\system32\config\system run the windows cd and press ' r ' for recovery bla bla and so forth. After trying chkdsk and failing I did what the (black screen) said and some how it work, not sure how I did it but here I am. I was lucky this time but what about next time. Can someone suggest anything? Thanx in advance.

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#7
January 19, 2010 at 07:28:07
I suggest you run a drive fitness test on the hard drive then. Get one from the manufacturer of your hard drive's site.

Additionally, try booting into the BIOS (setup) screens and check all the voltages in use on the computer. The ones you need to check are 3.3V, 5V and +12V. The actual values should be with 10% of those values. Preferably 5%.

You could also do a visual inspection of the motherboard. Look for bad capacitors. The link below shows some pictures. You are looking for bulging or leaking capacitors.

Double click on the images to enlarge them.

http://en.wikipedia.org/wiki/Capaci...


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#8
January 19, 2010 at 08:20:18
Oh, I have another piece of info that might help, I have another hardrive in my system a 10gb FAT 32 hd which I have no problem booting up, now my other hd 160gb NTFS slave is the one giving me trouble by the way it does not work as master even with all different jumper settings. Does this help in the troubleshooting?

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#9
January 19, 2010 at 10:04:12
What do you mean by it does work as Master even with different jumper settings?

Are you wanting to BOOT to that 160GB drive? Is an operating syste4m installed on it?

When you first start up your computer is the 160GB hard drive properly identified in the POST screens by BOTH the drive modlel and the FULL drive capacity (160GB)?

What service pack do you have installed on your WinXP boot drive?


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#10
January 19, 2010 at 10:21:24
You hard drive has bad sectors. Either boot off you Windows XP CD into Recover Mode and at the command prompt "C:>" type chkdsk -f or boot from the good drive and go to the command prompt on your start menu and type chkdsk d: -f.

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#11
January 19, 2010 at 11:04:12
ace

If the OP is running a non 48 bit LBA compliant system the 160GB drive may have file corruption but the drive itself may be OK. That is why I asked the questions above. I suspect this due to the size of the other hard drive.


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#12
January 19, 2010 at 11:17:19
Sorry I was under the assumption that they where able to boot from this drive before the problem started, I saw the part about the Windows boot to a black screen saying to boot in recovery console and I assumed they where booting from the 160GB NTFS drive. So ignore my post.

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#13
January 19, 2010 at 11:52:33
Both hard drives boot up separately, the BIOS only recognizes the 160gb drive when in slave mode not as master. Right now they both boot up no problem, but when left over night or hours off problem.

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#14
January 19, 2010 at 12:31:36
"BIOS only recognizes the 160gb drive when in slave mode not as master".

Is the 160GB an IDE ATA or a SATA drive?

Why can't you answer all questions? I asked what version of WinXP you are using (what SP) and does the BISO see the drive as a 160GB or a 137GB?


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#15
January 19, 2010 at 13:11:53
The hd is an IDE ATA, SP2, BIOS sees 160gb.

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#16
January 19, 2010 at 13:45:48
OK then. 48 bit LBA compliance is not an issue.

So then both of the hard drives are connected to the same cable?

Do you get a boot menu to choose which drive to boot to?

How did the computer work before this problem started. Describe how you were able to boot to each drive.


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#17
January 19, 2010 at 21:02:09
Yes both of the hard drives are connected to the same cable.

I do you get a boot menu to choose which drive to boot to.

Both hard drives boot and work ok once I get it stable.

The 160gb hd is a replacement for a 40gb hd that went bad.

Now when I do a “Restart” the bios sees both hard drives

and everything works ok, but when I shut it down completely

and then turn back on, the bios does not see any drives.


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#18
January 20, 2010 at 05:48:37
Try re-seating the data cable to the drives. Also, there is an option in many BIOSes to set a delay to identify your drives. If you find that setting increase the time.

Are you using an 80 wire/ 40 pin IDE cable? You can identify that type be the colored connectors. The MB end is usually blue with the center being grey and the other end black.


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#19
January 21, 2010 at 00:12:14
Yes I do use an 80 wire/ 40 pin IDE cable.

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#20
January 21, 2010 at 09:11:55
I noticed for the past few days that when I start the pc in the morning I have to unplug the pc power cord press the power button to discharge the capacitors and then plug cord back in turn on pc, then the bios sees the hard drives, if I don't do this bios does not see them. Any ideas?

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