Power light flashing erratically and battery charge light blinking on and off
Problem description:
The laptop power light flashing erratically and the battery charge light blinking on and off when AC adapter is plugged into the laptop.
Possible cause:
1. Power jack failure.
2. AC adapter failure.
Battery charges only when laptop turned off
Problem description:
The battery charges only when the laptop turned off. The battery charge LED lights up as normal and the battery gets charged to 100% while the laptop is off.
When the laptop is turned on, the battery charge LED goes off even if the adapter is still plugged in.
Possible cause:
1. AC power adapter failure.
2. Battery failure.
3. Broken/loose power jack.
4. Motherboard failure.
Tags: AC adapter failure, Power jack failure, Problems with main battery
Laptop switches from AC power to battery power when adapter still plugged
Problem description:
The laptop switches from AC power to battery power even when the AC adapter is still plugged into the laptop. The AC power light goes off but the laptop keeps running from the battery. If you adjust the position of the power plug inside the socket, the power switches back to AC. The problem is intermittent. Intervals between the power failure may vary.
Possible cause:
1. AC power adapter failure.
2. DC power jack failure.
