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  Where is the CMOS battery on an Inspiron 1150? 
 
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Gert Frobe May 08, 2009, 11:55am EDT Reply - Quote - Report Abuse
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I've got this down to the motherboard and can't find the CMOS battery. Can anyone tell me where it is?

Thanks.


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Nathan Daniels May 08, 2009, 12:27pm EDT Reply - Quote - Report Abuse
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>> Re: Where is the CMOS battery on an Inspiron 1150?
It appears to be right behind the RAM slots. By "behind" I mean the gold pins of the SODIMMS should be pointing to it. I'm basing my info off of this image:
http://image.pelltechnology.com/product/motherboard.jpg

--------
"The more we sweat in peace, the less we bleed in war."
-Patton
Gert Frobe May 08, 2009, 12:42pm EDT Reply - Quote - Report Abuse
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>> Re: Where is the CMOS battery on an Inspiron 1150?
Thanks. After further google searching I think I've determined that its on the bottom of the motherboard but unfortunately soldered on so I can't just pop it out to reset the bios. Anyone know of another way to do it?

Thanks.

Laptop Willie May 08, 2009, 05:46pm EDT Reply - Quote - Report Abuse
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>> Re: Where is the CMOS battery on an Inspiron 1150?
Gert Frobe said:
I've got this down to the motherboard and can't find the CMOS battery. Can anyone tell me where it is?

Thanks.

My question is why are you trying to reset the BIOS?

Laptop Willie
check out laptopwillie.com
Nathan Daniels May 08, 2009, 07:32pm EDT Reply - Quote - Report Abuse
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>> Re: Where is the CMOS battery on an Inspiron 1150?
Laptop Willie said:
Gert Frobe said:
I've got this down to the motherboard and can't find the CMOS battery. Can anyone tell me where it is?

Thanks.

My question is why are you trying to reset the BIOS?


Why not?

And there might be jumper wires somewhere nearby that you can short to reset the BIOS. I have no idea where those might be but 99% of motherboards have them somewhere.

--------
"The more we sweat in peace, the less we bleed in war."
-Patton
Gert Frobe May 09, 2009, 06:50am EDT Reply - Quote - Report Abuse
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>> Re: Where is the CMOS battery on an Inspiron 1150?
Perhaps I shouldn't have started another thread as I was the last poster in the previous Inspiron 1150 problem thread. However, that thread seemed dead and this seemed like a completely new question. So anyway.. why am I trying to reset CMOS?

My 1150 powers up but nothing comes on screen. I changed the power jack and replaced the AC adapter and still having same problem. On the odd occasion that I can get it started, it tends to completely freeze up shortly after. However, I have noticed an odd sequence that I can follow to at least get it started and that is:

Unplug AC, remove battery and hold down power button for ten second.
Reconnect AC and battery and try to start up. Nothing on screen.
Disconnect battery and then start up. 9 times out of 10, it will start up following this sequence. If I don't move it at all, I can sometimes use it for a half hour or so before it then freezes up.

Have tried everything and someone on another board suggested removing CMOS battery for a few minutes. I now see it's soldered in so can't just pop it out.

Ultimately I think I have a major motherboard issue but want to try everything before trashing the laptop.

If anyone has any suggestions I'd appreciate.

Thanks.


Nathan Daniels May 09, 2009, 10:30am EDT Reply - Quote - Report Abuse
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>> Re: Where is the CMOS battery on an Inspiron 1150?
Further research lead me to the info that the Inspiron 1150 doesn't have jumpers. So that means your best bet is to use a soldering iron to remove the battery. If you are going to do that, be careful not to drip any solder on the motherboard.

--------
"The more we sweat in peace, the less we bleed in war."
-Patton
Laptop Willie May 09, 2009, 10:32am EDT Reply - Quote - Report Abuse
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Edited: May 09, 2009, 10:34am EDT

 
>> Re: Where is the CMOS battery on an Inspiron 1150?
Gert,
Have you tried the "connect to an external monitor" trick?

also remove the covers for the memory and modem and network cards to remove pressure on the motherboard. These three things have cause more 1150 deaths than water drowning them. :)
Of course there is still the overheatinng thing.


edited: to add content

Laptop Willie
check out laptopwillie.com
Gert Frobe May 09, 2009, 02:50pm EDT Reply - Quote - Report Abuse
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>> Re: Where is the CMOS battery on an Inspiron 1150?
Thanks all. Willy, I have tried hooking up an external monitor and get nothing. I have tried removing memory, etc. but will try removing covers and see if that does anything.

tom burkhardt May 22, 2009, 10:50pm EDT Reply - Quote - Report Abuse
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>> Re: Where is the CMOS battery on an Inspiron 1150?
on the underside of the motherboard, at the very front of the computer. It has blue shrink wrap around the edges, the positive side faces the board.
I know this because I just went through a round with Dell who told me that battery is not available. I found someone in England with over three hundred of them, they are about $10 each. You do have to remove pretty well everything including the CPU and cooling fan to get at it.

Laptop Willie May 23, 2009, 07:37pm EDT Reply - Quote - Report Abuse
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>> Re: Where is the CMOS battery on an Inspiron 1150?
Gert Frobe said:
Thanks all. Willy, I have tried hooking up an external monitor and get nothing. I have tried removing memory, etc. but will try removing covers and see if that does anything.

Gert,
Having worked on many of these motherboards, I sorry to say that the most likely problem with your board is that the video chip is bad. Dell had a lot of problems with this board because they didn't provide enough stiffener for the board. The board would flex from heat or the user picking up the laptop and the BGA video chip would pop one or more of the solder beads on the bottom of the chip. With the BGA chip, there are no leads. All connections are below the chip and can not be reached for standard troubleshooting. My best guess, replace the motherboard.

Laptop Willie
check out laptopwillie.com
Gert Frobe May 24, 2009, 04:34am EDT Reply - Quote - Report Abuse
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>> Re: Where is the CMOS battery on an Inspiron 1150?
Thanks all. Have now sold the laptop for spares. I figured it was the motherboard.

Laptop Willie May 24, 2009, 10:52am EDT Reply - Quote - Report Abuse
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>> Re: Where is the CMOS battery on an Inspiron 1150?
Gert Frobe said:
Thanks all. Have now sold the laptop for spares. I figured it was the motherboard.


Laptop Willie said:
Gert Frobe said:
Thanks all. Willy, I have tried hooking up an external monitor and get nothing. I have tried removing memory, etc. but will try removing covers and see if that does anything.

Gert,
Having worked on many of these motherboards, I sorry to say that the most likely problem with your board is that the video chip is bad. Dell had a lot of problems with this board because they didn't provide enough stiffener for the board. The board would flex from heat or the user picking up the laptop and the BGA video chip would pop one or more of the solder beads on the bottom of the chip. With the BGA chip, there are no leads. All connections are below the chip and can not be reached for standard troubleshooting. My best guess, replace the motherboard.



......or you could sell the good parts. :):blush:

Laptop Willie
check out laptopwillie.com

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