Compaq Presario laptop that won't go pass black screen

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Monday October 12, 2015
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I have a Compaq Presario laptop that won't go pass black screen. The wifi button stays red, the caps lock key blinks one time, the fan runs, but after a few seconds it will shut down. I have tried hard reset, it didn't work. Please help. Thanks in advance.

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Thursday October 23, 2014
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Hello dogloverinar,

When you plug the charger into the jack, can you see the light blinking or just everything remains calm and nothing can be heard from the fan or the hard drive?
If you can't and the warranty of your laptop has expired I suggest you to take out the hard drive and try to connect it to another computer through SATA-USB cable. If the HDD doesn't spin at all, anywhere, then it has failed mechanically and needs replacement.
If your hard drive spins up on a different computer and it is recognized there, but cannot power up on your laptop, then the problem is hiding probably in the power supply unit on your motherboard. You could bring your laptop to a technician to make a test of the power connector and/or the power jack center because they might have got damaged.

Hope this helps.
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Hi Dogloverinar,

Do you see at least the BIOS screen or it seems like the laptop does not turn on? If the laptop does not turn on, there may be a hardware issue. Check the LED code from your laptop's manual. It may indicate battery or a power cable failure. Check with another power adapter. I strongly recommend you to clean the laptop fans.

Hope this helps

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