E7440 - sleep issues and display problems

There are three major issues I have with my laptop, and I was wondering if someone else was too... I have not yet contacted dell support, but I will in the weeks that follow if I figure somehow what he has going on myself.

I had my laptop for a little less than 2 months, so these are the things that I noticed.

Number 1: when you plug the power cord into the computer, the screen freezes on what it is currently. I noticed this problem because sometimes when I plug in my power cord and try to use the mouse pad to select something, the mouse pointer is gone! I have to disconnect - reconnect the power cable to get the pointer of the mouse to display again. I don't know what is the cause of this problem. It seems to have to do with the screen

Number 2: when I wear my E7440 autour in my bad, or do close for long periods of time > 3 hours (I simply close the lid), the computer will be SHUT DOWN. The thing stops completely, even if I just closed the lid! At first, I thought he was just in hibernation, so I disabled hibernate in my power settings. But no, even when the computer is asleep, it will be occasionally closed it self without reason at all.

Earlier, I closed the lid on my laptop and put my bag, then went back to my office about 10 minutes. When I sat down at my desk and opened my laptop, to my surprise, he had stopped by itself. All my open windows, browsers and applications have been closed and opening of chrome and microsoft word, I was greeted by "your browser is not stopped correctly" and "microsoft word recovered files. This points to the conclusion that it was not in Hibernate's fault, but rather a problem with the laptop stops when it is put to sleep. This issue must be corrected immediately if this is a widespread problem.

Number three: when the computer wakes back from hibernation or from standby, the computer is very very slow, even when it is plugged. It is slow forever, OR until that power management is set to everything he needs 'high performance '. during the visit to the previous powerplan of high performance, the speed of the system is restored. That tells me that the system limits himself when he took over after the hibernation, because God knows why. This must be fixed; many people (including me) just thought that the system itself was slow and low power, without realizing it was just limiting himself when he came out of the mode standby or standby extended.

If someone has one of these same problems, or knows a way to fix them, do not hesitate to post.

Update to original poster! It does not work!

PARTIAL CORRECTION

1. press F2 during the boot and go to settings.

2. go in power options and turn off 'block sleep '.

3. Save and reboot.

4. the system now seems to go into Hibernate when closing the lid.

5. in fact in Windows, you don't see the option to sleep more.

It takes more time to wake the portable computer, but at least all the work is intact.

Let me know if it helps you.

Tags: Dell Laptop

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