Power button turning on but system is not booting
Dell latitude E6440 not turning on
Bu iyi bir soru mu?
Dell latitude E6440 not turning on
Bu iyi bir soru mu?
Hi,
If the laptop indicates that it is getting power when the charger is connected try a full power refresh and check if that resolves the problem.
Here's the owner manual for the laptop. Go to p.10 and p.19 to view the procedures to remove the main battery and the coin cell battery, respectively. If you have a DMM (digital multimeter) measure the voltage of the RTC battery when it has been disconnected from the motherboard. If it is <2.5V DC replace it. Search online for Dell E6440 CMOS battery to find suppliers that suit you. This battery maintains the BIOS settings when the laptop is turned off and when its voltage gets too low, the BIOS can become corrupted, preventing a normal start.
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