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Thread ID: 55440	2005-03-10 09:46:00	CMOS Battery? Changing it safely...	Princess (7275)	Press F1

Post ID	Timestamp	Content	User
332795	2005-03-10 09:46:00	:confused: Evening All Could anyone give 'clear' instruction on safely changing the wee battery on the following type laptop: hp compaq nx9010 (need I say it - Intel Celeron!!) Have read in past CMOS info on PCWorld that you need to save your CMOS settings before changing the battery. How is this done also? Can't seem to find any assistance via Microsoft help and support. Thanks :D	Princess (7275)
332796	2005-03-10 10:01:00	Umm, normally you cant change settings before u take this battery out. Just turn the system off, take the CMOS battery out, and once replaced, (wait for about 30 sec - 1 min). Turn the system back on. Then go into the BIOS and reset it / change to whatever settings u had before and then save the settings. Thats it.	Speedy Gonzales (78)
332797	2005-03-10 10:11:00	Welcome The only way I know of to save your CMOS settings is with pen and paper > write them down. I think youll find though after changing battrey and starting up your laptop it should default back to the manufacturers settings, thats if in fact the CMOS losses enough charge to loose those settings. Changing a battrey doesnt take that long. Are you getting CMOS checksum errors on bootup or a message asking you to press f2 (I think thats the key) to continue just after you turn the laptop on ?	beama (111)
332798	2005-03-11 00:37:00	where can we get these CMOS batteries from?	Prescott (11)
332799	2005-03-11 00:50:00	where can we get these CMOS batteries from? DSE or the supermarket. The latter will be a couple of dollars cheaper than DSE though. Have a look under the hood and make note of the battery number because there are several batteries the same size on the stand but they are different voltages (or something).	FoxyMX (5)
332800	2005-03-11 01:01:00	Type CR2032 is what you want. They are sold most places including The Warehouse, Be aware it can be easy to break the battery holder, especially if you try to lift a spring clip. Holders are not all the same. Some have a 'beam' design at the front which you push down on to allow the battery to slide forward under the spring clip. Make sure you have plenty of light to see exactly how the holder retains the battery. No force is required. Jack, J^5 will testify how easily a holder can be broken:)	Terry Porritt (14)
332801	2005-03-11 04:00:00	CR2032 is usually what you need. ;) Some use 2025s. I've got one which uses a CR1220. These buttons are lithium 3V cells. The bigger they are, the more mAh they are good for. The numbers give you the size: In a 2032, the "20" is the diameter (mm) and the "32", read as 3.2, is the thickness in mm. As a further useless piece of information: 20 mm is the size of a farthing coin. These 20 mm cells are not the size of a 10c piece. They are closer to a 5c. ;) It's advisable to wipe the cell with a tissue (sometimes they have a silicone oil film on them) and to try to avoid getting skin oils/acids on it. Modern BIOSs can usually reconfigure themselves automatically pretty reliably. If you are reasonably quick about replacing the cell, the BIOS won't have time to forget the settings. ;)	Graham L (2)
332802	2005-03-11 04:01:00	Welcome The only way I know of to save your CMOS settings is with pen and paper > write them down. If you have a digital camera, just photograph each CMOS screen. Check that the results are all readable before you proceed. Do not use flash! If you change the battery quickly enough, you won't lose any settings anyway. Personally I don't bother turning the computer off to change CMOS batteries, unless you have a fairly old computer there is no mains power at the on-off switch so there is minimal shock risk involved. The biggest risk is that you will drop the old battery when taking it out or the new one while installing and short out something on the motherboard, so if you are butter-fingered or get then nervous sweats when working inside the box, best you turn it off. Cheers Billy 8-{)	Billy T (70)
332803	2005-03-11 04:14:00	Am I the only one to notice that the question was posed regarding a laptop? These can often have very different CMOS batteries to the CR2032 type, and harder to find.	godfather (25)
332804	2005-03-11 06:29:00	Am I the only one to notice that the question was posed regarding a laptop? These can often have very different CMOS batteries to the CR2032 type, and harder to find. I think you are GF. :blush: :blush: :blush:	Terry Porritt (14)
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