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Why does my pc restart at intervals and displays a message on the boot screen” installing windows update “ and then comes on only to restart severally again with irregular intervals. I can’t do anything with my pc because it might just restart again. Also when it boots it show a notification “ restart required. Your pc needs to be restarted to finish setting up this device: HP R90 System Firmware “
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Rep: 496 mil
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Hi @maxmillzz,
Check in Device Manager and see if there's a yellow exclamation mark next to the HP R90 system firmware entry.
If so try installing the drivers manually.
Right click on the entry and select update drivers. You need to be online for this to work.
To get to Device Manager in Win10/11 press the Win key + x key (both together) and click on the link.
First problem now is no indication that the charger is connected and that the battery is charging i.e no battery light on.
It may be just coincidental that the problem started after update restarts in that if the battery wasn't being charged due to the charger not supplying power (no indication?) that there's now insufficient power left in the battery so the laptop cannot run anymore.
This is only conjecture at this stage because with the charger connected, charging should happen regardless of the laptop being on or off i.e. laptop's battery light status is either white or amber. If it is off it means not charging or no voltage from the charger is being received.
If possible try another known working compatible charger and check if the laptop shows it is charging when the charger is connected.
If it also doesn't work then the USB-C charge port could be loose or damaged perhaps. Try using a strong light and a magnifying glass to visually inspect the charge port to ensure that all the necessary pins are there and that there not bent, broken or missing. Also check if there's any debris lodged in the port preventing a good electrical connection. If there appears to be some, use a vacuum cleaner to try and remove it. Do not use a pin or probe as you may damage the pins or cause electrical problems on the motherboard.
If the port seems OK, you may have to open the laptop and check if the power is getting to the motherboard from the USB-C charging port.
Here's the maintenance and service guide that will help. Go to p.41 to view the procedure to remove the systemboard. This may have to be done to replace the the USB-C port if it is faulty.
Here's a link showing the pinout of a USB-C connector that may also help.
The connector in your laptop may not have all the pins shown i.e. 24 but the voltage (VBUS + GND), data (D- D+) and power delivery (CCI and CC2) pins would be there. Their position is standard for all USB-C ports.
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The system won’t even come on now 😞
Does the laptop indicate that the battery is charging when the charger is connected?
What happens when you try to turn it on?
@jayeff no it doesn’t indicate. When I turn it on only keyboard light comes on nothing shows on display till it goes off.
I think the reason indicator wasn’t showing was because the battery had been fully charged. Later I tried to charge and the white light came on, telling that the pc was charged and soon full! The amber light only shows when the pc is low. Now how do I go about the pc not doing anything other than show keyboard light and go off few seconds after considering the pc is changing
Try a power refresh and check if that fixes it.
Disconnect the battery from the motherboard (see p.28 of the maintenance and service guide linked above) Note: you don't have to remove the battery simply unplug the battery cable from the motherboard.
Then press and hold the laptop's power button for 30 seconds and then release it.
Reconnect the battery cable to the motherboard, reassemble the laptop, connect the charger and then check if it turns on OK.
There may be a message saying the date and time are incorrect. This is normal as the BIOS has been reset back to factory settings by the power refresh procedure. Once you correct the date and time the message won't appear the next time you start the laptop.
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