My dell inspiron 1521 show blank screen then shut down [Closed]

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Thursday August 8, 2013
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my dell inspiron 1521 show blank screen and then shut down automatically after 5 secs of power up.
and have tried removing the battery but still getting the same result. but I notice that if I leave the laptop for about 2 or 3 days then power it up again, its will work perfectly but now even if I leave it for 5days it still doing the same thing (show blank screen and shut down later).
have tried taking it to an engineer and it was told its the motherboard that is faulty but he didn't sure its the motherboard.
please what can I do to it

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I also think it's the motherboard.
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Hi Sirhammed,

I am Shuchi from the Dell Social Media outreach team.

I will help you with this issue. This issue may be due to Motherboard or any other hardware failure on your system.

1)Check that the system has a power light.
2)If the system has no power light, ensure it is plugged into AC power. Remove the battery.
3)If the system has power but is not performing a Power On Self Test(POST), check if the keyboard status lights flash to indicate a successful POST but no video or if the keyboard status lights are lit in a sequence indicating a system problem.

Keboard status codes:
On Flashing Flashing -- Ram missing
On Flashing On -- Ram Fault
Flashing Flashing Flashing -- Motherboard
Flashing On On -- Motherboard
Flashing Flashing On -- Video
Flashing On Flashing -- LCD
On On Flashing -- Mini PCI Card
Flashing Flashing off -- Keyboard
Flashing Off Flashing -- USB
Off Flashing Flashing -- Modem

In case the keyboard lights are not showing any of above patterns then try connecting an external monitor, if the external monitor has display it means it is LCD issue else it is Motherboard issue.

4) Run the Pre Boot system analysis by following the steps mentioned below:-

- Press Fn and power button on your system and keep them pressed till you see some diagnostics running on the system.

Once test start running leave both the buttons and wait for the test to complete also make note of any error code if you receive.

In case you have any further doubts or queries, Please feel free to contact me directly by sending a reply to this blog.

We would recommend you do not post your private information on a public forum.

Thanks & Regards

Dell_Shuchi_S

Dell Social Media Responder