I have a Compaq V4325 US laptop that keeps powering down unexpectedly. There is no warning it just turns off as if someone had flicked a switch. Sometimes the computer will not even complete booting before it turns off and there is no way to use the computer, at other times it can work for hours without issue.
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Usually, this means that something either running in the background, or an app, or an update trying to install is keeping the pc from shutting down. Wait about an hour if it is still just sitting there spinning you may want to do a hard power down.
WARNING forcing your pc to power off may have unexpected results not limited to unable to power up and lost data.
To force the pc down press and hold the power button until the unit switches off. Immediately restart the unit and do a thourough review to ensure proper operation.
If you're running Windows go into Control Panel and check Event Viewer. Look under Windows, System, and look at any Warnings (Yellow triangles with exclamation marks) If you're seeing error codes you can look those up; if "unexpected shutdown" shows up a lot your laptop could be overheating or it may be a power issue.
This is a total long shot, but could there be some of the original packaging attached to the battery? The 'brand new' aspect of the laptop made me think about this.
It sounds like your computer is powering directly from the charger, without any of the charge going into the battery. If there was a small plastic cover over the contacts on the battery, it may explain this probem.
Otherwise, I would look towards some other battery issue.
There could be a power saving feature somewhere causing this problem, however there's normally some sort of warning about this, rather than an unexpected and instant shutdown.
If the laptop shutdown maybe it cause overheating. Laptop shuts down? Computers may not be smarter than people, but if
they’re designed properly, they will shut themselves down before
overheating to the extent that they do themselves damage. If the smart
person keeps turning the notebook back on and figures out a way to foil
the protection, the laptop is probably doomed. Once a laptop shuts down
for thermal event protection, it may refuse to power back up for a
fixed period of time, five or ten minutes, or it may begin to boot and
shut down immediately as soon as it boots to the point that it can
figure out that its too hot. The over-temperature protection is
generally a BIOS rather than an operating system function, so one sign
of an overheated laptop is one that shuts itself down while you’re
using it and then refuses to boot as far as the operating system unless
you leave it alone for an hour or so to cool down. Unless you’ve been
working in a very unfriendly environment, high temperatures, direct
sunlight, etc, you should take even a single overheating shutdown as a
warning to back up your data at the first opportunity and to give the
cooling system a serious cleaning.
Try doing power drain by taking out the battery & keep holding down the power button for complete one minute to drain out the power from the computer components. Restart the computer after putting the battery in.
Try restarting the computer only with the AC power, without the battery & vice-versa.
That should resolve the issue. If the issue persists, then the only option is service center.
There are quite a few laptops and towers (my e-machine) that is not compatible with service pack 2. However, they are compatible with service pack 3 release candidate 2. Down towards bottom of page, choose which language.