which cmos battery is in Gateway e-4200

February 11, 2015 at 16:13:36
Specs: windows XP
My desktop Gateway has no cmos battery and I need to know which battery to buy. There's no information in their manual on the type of cmos battery.

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#1
February 11, 2015 at 17:35:44
Looks like it's a CR2032 coin sized battery with a short cable with a plug on the end of it:
http://www.ebay.com/itm/NEW-DELL-LA...

Always pop back and let us know the outcome - thanks

message edited by Derek


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#2
February 11, 2015 at 18:58:09
Not what I was asking about. I'm asking about the round battery that's clipped into place.

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#3
February 11, 2015 at 20:13:33
Very likely to be a bare 2032 just the same, as most are using that battery for that purpose. It might have that number on the motherboard in really fine print close to the battery clip. Otherwise measure the clip to see what diameter is needed and then a battery in the store. Back when computers cost $3000, they didn't have this level of info either. Consider it a feeble attempt to get you to buy a new computer. I don't have that model number so no help there.

Lee


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Related Solutions

#4
February 11, 2015 at 23:36:42
It is the cr2032 or equivalent. This pdf:

http://gmcotton.com/Ham_Radio/MISC%...

shows where it is on the motherboard and how to replace it. Just do a word search for 'battery' in the document. Even if for some reason the battery was previously removed, its socket is easy to locate.


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#5
February 12, 2015 at 00:31:18
Thank you Lee. I have tried a new 2032. It might be a different problem. The computer loses all new infromation input every time it's rebooted.

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#6
February 12, 2015 at 00:46:07
So with a new battery the cmos isn't holding the information? Make sure it's in right and making good contact with the socket.

Is this a computer you've had for awhile or is it one you recently acquired? The problem ought to be just a bad battery but if a new one doesn't fix it the computer must have been defective for quite awhile and someone should have noticed it before.


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#7
February 12, 2015 at 05:07:53
"The computer loses all new infromation input every time it's rebooted"

There is always standby power to the motherboard, even when the system is shutdown. The only time the CMOS battery really comes into play is when the power is completely cut to the system. By that I mean, the power cord is unplugged or the surge/power strip is switched off. Rebooting does not cut power to the CMOS chip. Neither does shutting down the system but leaving the surge/power strip switched on.

Do you have to change the time & date after every reboot?


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#8
February 12, 2015 at 07:34:11
The computer reverts to boot sequence every time. I have tried attaching only the DVD drive with windows program in the drive and it doesn't recognize the DVD drive. I will try new ribbon cables next.

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#9
February 12, 2015 at 07:39:17
"Not what I was asking about"
Depicted at #1 was a CMOS battery. However it looks like a CR2032 inside the blue part. Mostly they just clip into place and it sounds like your particular E-4200 (serial number) uses a loose round cell.

"The computer loses all new information"
Can you describe exactly what it loses please.
EDIT:
We overlapped. Does Windows eventually start?

Always pop back and let us know the outcome - thanks

message edited by Derek


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#10
February 12, 2015 at 07:56:19
No, Derek Windows will not start. Gateway logo comes up then it reverts to default setting including old date not recognizing last reconfiguration.

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#11
February 12, 2015 at 08:03:52
Very long shot but try 2nd paragraph of #9 here:
http://www.computing.net/answers/wi...
(ignore the bit about removing the main battery obviously as yours isn't a laptop)

Strange about the date though. I assume you are certain the CMOS battery is the right way up.

Always pop back and let us know the outcome - thanks

message edited by Derek


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#12
February 12, 2015 at 08:51:39
"I have tried attaching only the DVD drive with windows program in the drive and it doesn't recognize the DVD drive"

Did you change the master/slave jumper setting on the drive? And what do you mean by "windows program in the drive"?

Make sure the DVD drive is the only device on the primary IDE channel, that it's jumpered as master, & that it's connected to the end plug of the ribbon cable. Boot the system, enter the BIOS & make sure the boot order is correct. Change as necessary, save the settings, & exit. Then try booting off a Linux disc.


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#13
February 12, 2015 at 09:56:20
Did you SAVE the changes in the BIOS when exiting? If so, you may have installed the battery upside down, of possibly bent one of the contacts. Also could be a defective battery, although not likely. My guess is you are not saving the changes.

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#14
February 12, 2015 at 11:26:51
You would guess wrong. Changes are saved.

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#15
February 12, 2015 at 12:20:24
Gateway E4200 resting place

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#16
February 12, 2015 at 12:42:50
Can I assume no response to #11 means it did not help? I wasn't too hopeful but it has sometimes come up trumps.

Always pop back and let us know the outcome - thanks


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#17
February 14, 2015 at 22:34:57
I've found that they will happily sell you a dead battery just like it was a good one too. Putting it in upside down might also be a reason for missing OP in a good way, it obviously wasn't saving BIOS settings.when it should have been. The side with the numbers/symbols/text should be readable after installation just for the record.

riider's claim of power thru rebooting cycle but not powered off case while accurate may not apply in the case of backwards battery. Since power is used in conjunction with battery we have to assume that there is a resistor keeping the battery from being overcharged during use and this resistor would then not be able to supply enough current with backwards battery even with power still on reboot. It never was saving that CMOS info but especially not with backwards battery. I'm assuming the OP got what he wanted and left for that reason probably a little embarrassed about upside down battery installation the first time around.

As to second paragraph in #9 in posted link, I have a 97 chaintech that will refuse to boot if you leave it plugged in after shutting down for a good while. The good while part is the power still applied part like in days. Try to reboot and it just fails, no error beeps, nothing, it won't even turn on the monitor - absolute door stop time. Shorting the battery out and priming the empty pump with the power button while unplugged as advised does nothing for it. Tried all that in at least three different episodes. It just takes days of no power at all except for the battery and at some point it will boot again as if nothing was wrong in the first place. But this is probably a fluke case. They still had BIOS bugs they didn't even know of back in 97 yet, and little from then probably even applies to a unit seriously being considered for revival today.

Lee


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