If your dell laptop shutting down suddenly or automatically. It indicates that something is seriously wrong with your laptop. Some reasons for this might include the hard drive overheating and conflicts between hardware components. Dell laptops sometimes include protection mechanisms against hardware overheating which occurs frequently in this smaller device but sometimes ventilation fails and your laptop continues to shut down unexpectedly to protect its components. This kind of problem requires online dell support professional assistance to fix it.
If you laptop is displaying blue screen error just before shut down. This signifies a conflict with hardware components or a fault in your operating system. When laptops shut down without being prompted, this typically indicates that the unit is overheating, has a malfunctioning battery or requires a software or BIOS update.
It may be possible that your laptop is infected from shutdown virus, so first scan your laptop and ensure that you have successfully remove shutdown virus.
Sometimes your laptop shuts down unexpectedly because its default settings include an automatic shutdown after several minutes or hours of inactivity to conserve battery power. Check your power settings in control panel under "Hardware and Sound" to see if you have automatic shutdown configured. If this starts happening on a regular basis, it's probably time to take your laptop in for diagnosis and repair.
Now follow steps below to fix dell laptop problems manually -
Step1: First check new BIOS updates on Dell website and also check new updates for your operating system.
Step2: Also make sure that there aren't any obstructions to the air vents. These will cause overheating and make the laptop shut down randomly.
Step3: Now first remove the laptop battery and open all hatches and blow out any areas you have access to with compressed air. This should dislodge any obstructions.
Step4: Keep retrains the battery which may have lost its ability to hold a complete charge and unplug the laptop and use the battery until it runs out. Once battery became dead, again plug the laptop in and turn it off and recharge the battery in full.
This may take at least 8 to 12 hours. But keep repeating this process three to four times.
Now again attach battery with your laptop and check that issue has been resolved or not. It is one of best technique to manually fix computer shutdown problem.