Changed battery and now will not boot, no drives dectected

January 26, 2012 at 16:59:58
Specs: Windows Vista
After changing battery on 8400, no drives detected. I wrote down settings before changing battery. Battery was hard to get out even though it wobbled from side to side in the holder. New battery popped into place easily but it too will go from side to side when touched.
After changing battery and checking to see that all settings were back the same, it does not recognize or detect any hard drive, floopy drive or cd drive. I have tried to set to factory default, I have changed from RAID/AGHI (?) to RAID/ATA and it still does not detect any drives. At one point I got a message like "Failed at Checkpoint WAKE". What do I do next?
OS is Windows XP

See More: Changed battery and now will not boot, no drives dectected

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#1
January 26, 2012 at 20:16:00
What battery from what computer? We are not mind readers here. If you mean the CMOS battery you may have damaged the contacts by improperly removing the battery.

You don't charge those batteries anyway. Once they are dead you replace them.

Did you have the computer unplugged before messing around in there?


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#2
January 27, 2012 at 03:12:44
Computer was a Dell Dimension 8400 with Windows XP. It was the CMOS battery and was not charging it, only changing it because of message saying low voltage, low battery or some such. the battery is one of those flat, coin like batteries. I removed it by pushing in a little release spring and using a plastic spoon handle to pry it out.
thx

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#3
January 27, 2012 at 05:13:46
The exact message does matter, it could have been referring to the CMOS battery or it could have been referring to your power supply and that one or more of its output voltages is low.

You have to be a little bit crazy to keep you from going insane.


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Related Solutions

#4
January 27, 2012 at 07:42:10
Sorry about the charging/changing thing.

You didn't answer if you had the computer unplugged when changing the battery.

The computer will run without a CMOS battery.

Sounds like your drives are now configured differently than before, or the cables were disturbed. You said you wrote down the values so I would first check all the connections by re-seating them.

If you were confident that you restored the values as before then why try using different settings?

If checking the cables didn't help then I suggest you set the values for each page to the defaults and try that.

The Dell specs for your computer indicate you have an IDE CD drive and a Serial ATA 150 Hard drive (SATA). See if there is a setting to run in an IDE mode.


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#5
January 27, 2012 at 15:47:30
Thanks, it was referring to the CMOS battery. The computer had not been used in months and when I first tried it again I plugged it into a surge protector and when I began getting the message of the low battery I read that the Dell 8400 had a problem with some surge protectors so at first I just tried not using surge protector but got same message each time I booted and had to keep setting the time. So then I checked after unplugging and disconnecting all power cords and the battery seemed loose, it rocked from side to side when I touched it. I closed up and tried again and got same message on low battery. that;s when I bought a new battery and replaced and since then at reboot none of the drives are recognized.

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#6
January 27, 2012 at 15:51:12
thanks. I tried to set to factory default because I thought I may have recorded one of the settings wrong and another source told me to change the RAID settings. I will check connections. Does the one message I got that siad failed at checkpoint WAKE mean anything.
Thanks again.

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#7
January 27, 2012 at 15:51:55
Try the suggestions in #4 above.

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#8
January 27, 2012 at 17:23:59
Thanks will do. The computer belongs to my brother and it is at his house. I will try tomorrow or Sun.

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#9
January 29, 2012 at 15:02:35
Opened Dell dimension 8400 back up today and checked connections. One form hard drive I think was loose and I reconnected and tried again. I did turn off and disconnected everything from computer. When I hooked back up and plugged in I had the message again with low battery and on the screen was the floppy drive and CD drive. I went into set up again and set time and reset all settings to same as when I first shut down and again i get a message with no bood device found, no drives etc.
What now?

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#10
January 29, 2012 at 15:28:48
Boot into the BIOS screens again and see if the drive is listed there. Also, disable fast boot so you can see what is being configured during the POST screens at startup.

Did you try setting the values in the BIOS to defaults on all screens?


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#11
January 29, 2012 at 19:06:48
Thanks, will try again tomorrow.

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