![]() Sometimes this battery is called the Real Time Clock battery. The standard CMOS battery that has been used for years in many PCs is the CR2032. If the CMOS battery is in fact dead and you have subsequently booted up your PC then you are you are using the default settings. Some BIOS functions will allow you to replicate the settings to external media so that the settings can be restored after a CMOS clearing or when the BIOS has been flashed (updated). Taking note or backing up the CMOS settings means that if you made changes to the default settings then you need to make note of those changes or the BIOS default settings will be used. Please advise of the best method of resolving this issue. If you power down how long do you have before power drains away and the settings are lost?Īpologies for my ignorance but in umpteen years of computing on a variety of computers I've never changed a CMOS battery, it looks like I've got away with it to date. On another post (for a notebook) it recommended doing the change in safe mode, I'd assumed that I'd have to power down first, please advise. Please advise, does HP have a utility to do this? 269 of the HP Maintenance & Service quide for this model, it says "Before replacing the battery, it is important to back up the computer CMOS settings." but it does not say how to do this. I've done a bit of googling / forum searches etc and I'm assuming that it is a CMOS battery issue, but I have not yet purchased a replacement, as I'm not sure what type to buy, (not opened up the case to look yet), please advise.Īlso on p. It has run OK today, but I've not shut down yet. Hi, yesterday, for the first time (ever) I got a 161 Real Time Clock Power loss error message, clock defaulted to on reboot, so I reset the time. Business PCs, Workstations and Point of Sale Systems.Printer Wireless, Networking & Internet.DesignJet, Large Format Printers & Digital Press.Printing Errors or Lights & Stuck Print Jobs. ![]() ![]() Notebook Hardware and Upgrade Questions.
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