Hi @harry22 ,
The date and time being incorrect usually indicates a problem with the RTC battery (Real Time Clock), (supplier example only) being low voltage. This battery maintains the BIOS settings when the laptop is turned off.
Try a full power refresh to hopefully resolve the charging problem in case it is due to a corrupted BIOS.
Turn off the laptop if on and disconnect the charger if connected.
Remove the main battery from the laptop
Disconnect the RTC battery from the motherboard. Here’s the maintenance and service guide for the laptop. Go to p.80 to view the necessary pre-requisite steps and then the procedure to disconnect the RTC battery. If you have a DMM (digital multimeter) when the RTC battery is disconnected measure its voltage. If it is <2.5V DC replace it. Search online for 665733-001 to find suppliers that suit you best.
Press and hold the laptop’s power on button for a full 30 seconds and then release. This action drains any residual power from the motherboard and resets the BIOS back to its factory default settings. If you have changed any user defined settings in BIOS to suit your particular operating requirements they will have to be changed back again to what you had set them to. There may also be a message reagrding the date and time being incorrect the first time that you start the laptop. Once the date and time have been corrected the message won’t appear the next time that the laptop is started.
Reconnect the RTC battery, reinsert the main battery and close the laptop service cover.
Reconnect the charger, check if the battery charges without the laptop being turned on. If it does allow it to fully charge before turning on the laptop. Given that it is a new battery it may not have come fully charged and it may have had a very low state of charge to start with. If it was low this may take a bit of time
Once it fully charges turn on the laptop and then create a battery report to check the status of the battery. Compare the Design Capacity value against the Full Charge Capacity value. For a good battery they should be nearly the same.
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I having this same issue but with an HP EliteBook 840 G5. Purchased a new battery from here and am very frustrated. Getting battery error 601 which indicates the battery is under 20-25%. I can't start to calibrate because of this.
из Daniel A. Barcenas Jr
If ANY battery has been drained to 0% (but otherwise ok) and some new ones, it can sometimes take several hours for the laptop to "detect" them actually charging. Have had that problem for years, especially Dell and HP.
HOWEVER, all the NEW batteries should have at least 30-50% charge. If not, the battery may be bad
из R Phuche