That is such terrible design. They could have put the CMOS battery anywhere, like somewhere serviceable.
On Wed, 19 Oct 2022 at 19:58, D. Hugh Redelmeier via talk <[email protected]> wrote: > Almost all PCs have settings that they want to keep while the computer is > off or even unplugged. Ones that they don't want to keep on disk. Things > you set up from the firmware setup screen. > > Furthermore, they have a realtime clock that runs when the machine is > turned off or unplugged. > > These are all powered by a lithium coin cell. > > Eventually, that battery runs down and you have to replace it. Five or > ten years of lifetime seems normal. > > When it runs down, the computer will forget the date, time, and all its > setting when it is turned off. This is annoying: every time you start up > you have to fill in the time and other settings. > > Luckily, for most computers it is easy to replace: it is in a socket in > the motherboard. The battery can be sourced from Dollarama or Amazon for > a buck or two. Just get the size right. > > For (some? all?) notebooks the coin cell battery isn't used if there is a > charge in the main battery. So you may not notice that the coin cell > battery is failing. > > I flattened my notebook's main battery somehow (left it sleeping for a > week?). When I powered it on, it had no idea of the time nor what to > boot. > > Upon investigation, I find that I have to completely disassemble my > computer to replace the battery! They placed it on the top of the main > board whereas access is to the bottom. If you care, you can read page 50 > of > <https://dl.dell.com/topicspdf/xps-15-9560-laptop_setup-guide_en-us.pdf> > > It looks as if I will need some new thermal grease since I have to remove > the heat sink from the processor. And the coin cell assembly is not > generic -- no Dollarama battery. > < > https://www.amazon.ca/LeFix-Replacement-Battery-Connector-Precision/dp/B082G35D4R/ > > > --- > Post to this mailing list [email protected] > Unsubscribe from this mailing list > https://gtalug.org/mailman/listinfo/talk >
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