I can power up the laptop with or without the power cord and i hear all the fans come on and under a bright light i can see where the Windows introduction is on the screen and where it prompts me for the password. Someone told me to take out the RAM chips and put them back in and reboot the laptop. Did that, now it will not stay on with battery power or AC power cord.
It seems to me the LCD cable is either not properly unplugged or LCD ha gone bad.
Connect external monitor to the laptop and check if you have the Video on the external monior. If everything looks fine on external monitor then you can get the LCD replaced.
In case system does not power up and there are no indications of power.
Here are the steps:
Connect only the AC Adapter and take the battery out.
Check if you have a green led lit on the AC Adapter.
If AC Adapter does not has a green led please replace it with a known good AC Adapter.
If the AC Adapter has a green led but still no power it can be the system board which has gone bad.
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This problem can also be due to the corruption of display drivers// assuming that you have checked the contrast and brightness do this step:- goto device manager// click on the display adaptar + sign and on the pop-up driver right click and select uninstall//
once the driver is uninstalled then restart the computer and check//
if that doesnot work then you can also upgrage the grafic card by going to the web site// even if this doesnot work then 100% the problem is with the notebook screen// contact best buy or wallmart or the retail store from where you have bought the notebook//
I have the dell inspiron 5160 works great a little slow but no big deal. The problem I have as of Monday the power cord will not stay in and now will not charge. Is it the power port? Can this be fixed?
I believe I have found the problem with the 1525 that I am currently working on which has the same problem that you describe. Ultimately I think it's a problem with the inverter in the LCD. When the laptop is powered by battery the brightness is lower than full. When I plug in the power adapter the brightness goes to "full" and I hear a faint sizzle and the LCD's backlight goes off. Same as if you hold the Fn key and press the up arrow to brighten it, it will do the same thing when you reach near the full brightness. So for now I have fixed this problem by going in the Power Options and clicked on Adjust the display brightness on the left. Slide the slider to the left on the "plugged in" part and now when you plug it in it shouldn't make it go blank. I do want to note that I hear a faint buzz coming from the LCD when I plug it in. That must mean the inverter is faulty. WAY TO GO DELL!!!!!!
if you have 2 memory sticks, (i.e. 2 ram sticks that are 2 gb each) try putting on in and start it. if it does not work try this.
remove all power supplies (cord and battery).
hold down the power button for 30-60 sec.
after that plug the power in and try turning it on.
There is a small board that the power button is integrated into that connects to the motherboard. When this power board malfunctions it will cause this issue with the machine. It can, and quite often does, damage the motherboard when it malfinctions. You should take the machine in for a power board replacement and a diagnostic to make sure that the power board hasn't damaged the motherboard.
I am facing a similar problem with 5160 and my power button will not power up the laptop. I presses the shift key, it got powered up (offcourse only fan started but the screen is black)
Try pressing shift key to power up.