Question about Dell Precision M50 Notebook

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When i press the power button the led lights for the power and hard drive goes on and computer seems to be churning with a (blank screen), but after about 5 seconds it shuts off. I tried with the supply only and battery only, but it still doesn't boot up or stay on.

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While this could be due to any number of hardware problems, the most common and easiest to
troubleshoot or repair is RAM failure. If your laptop has two RAM modules installed, try booting with just one and then the other in the primary slot. If your laptop only has one RAM module, you might consider buying one online from a site with a good memory selector, like Crucial.com, or borrow one for testing purposes.

If this did not turn out to be the case, then you might consider removing the various components of the laptop, on part at a time, & trying to power it on to see if the problem is resolved. Start by removing the easier parts first, like the hard drive, optical drive, wireless adapter, modem, ... etc.
Continue to remove the parts, one a t a time, till you only have the motherboard & the LCD screen. Re-install the RAM, & test whether the system will stay up when turned on or not. If not, then consider replacing the motherboard with a new one.

Posted on Nov 11, 2010

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Hp dv5020us won't boot. upon power up I get some brief hard drive activity and fan noise. No blinking LED error codes. Caps and/or Num lock LED's do not light. Power LED will glow and HD...


step one, big battery out? skipped that?
step 2, a good power pack , that means 19vdc on those 2 pins.
bingo BIOS screen now work ,yes?
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screens work now (BIOS first) yes/no?

remove DVD, drive
and all USB devices
there booting with only 1 memory stick. (got more?, try each 1 by 1)
black screens of *****'.

the lack of flash codes, Implies Power pack is dead. or CPU overheated, and selfshuts down. that fan going dead tells
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http://pcdied.com/#black-screens

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HP G61 NOTEBOOK PC BIOS BLINK ERROR CODE 2 BLACK SCREEN LED LIGHTS ABOVE NUM LOCK KEY AND LED LIGHTS TO LEFT OF CAPS LOCK KEY FLASH 2 BLINKS.NO MONITOR WHEN HOOKED UP TO AN EXTERNAL MONITOR.CD DISC DRIVE...


It would seem that your BIOS has become corrupted somehow. First try entering your BIOS setup. I believe for HP computers when you press power tap the F10 key until it opens. There you can try to reset them in some fashion and save. Try rebooting. If that fails then remove the battery and repeatedly press the power button for about 10 seconds.. (make sure it is also unplugged, this is to discharge the power from the system) then replace the battery and try booting again. Otherwise it would seem that you might have tried to load the wrong BIOS into your laptop. Check with HP then if you are still covered or not. :/

Mar 24, 2011 | Computers & Internet

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Does not boot up, fans start, internet plugs light, clicks on and off.....seems this is a common problem for these machines, what is the fix?


Instructions
  1. When you press the Power button to start the boot process, the LED lights glow while the computer verifies that there is sufficient electrical power to activate the hardware.

    Effect & Solution: When you press the power button, the LED lights on the computer do not glow or the LEDs blink briefly and then stop. There is no sound of the fan or hard drive spinning, and the screen remains blank. The computer will not start if there is insufficient battery or AC adapter power.
  2. The BIOS queries various hardware components used for the startup boot process.

    Effect & Solution: When you press the power button, the LEDs glow but there is no fan or hard drive sound. The LEDs may glow briefly and then go out.

    Or

    The LED lights blink, stop, and then blink a second or third time, but there is no sound from the computer and the screen remains blank. The sequence of the blinking lights indicates a specific error code.

    Or

    A series of beeping tones is heard. The sequence of beeping tones indicate a specific error code.

    If a hardware component has recently been replaced, or if the PC has been jarred or shaken, there may be a loose connection to the memory chips or hard drive which prevents the computer from starting.
  3. The BIOS loads the basic input (keyboard) and output (advanced LEDs / display screen / boot drives) devices into memory.

    Effect & Solution: When you press the power button, the LEDs glow, the fan or hard drive sounds, are heard, but then the boot process stops and a black screen - with an error message - displays.

    The boot check has detected a communication error or conflict with a hardware component that must be corrected.
  4. The BIOS loads the Windows operating system and starts the services that allow low-level control of all of the background operations.

    Effect & Solution: When you press the power button, the LEDs glow, the fan or hard drive sounds, are heard, the HP or Compaq Logo displays on a black screen, but then the boot process stops and a blue screen - with an error message - displays.

    The boot check has detected a hardware driver error or a software conflict that must be corrected.
  5. Control is transferred to the Windows loader to initiate the display of the advanced settings in the Windows environment.

    The Windows logo displays during this step.

    Effect & Solution: When you press the power button, the computer performs all the steps in the boot process, but after the Windows Logo displays, the moving Windows progress bar or the rotating cursor stops moving and the boot process stops.

    An error message may display on a screen with the Windows logo. In some instances, there is no specific error message.

    Or

    A black screen appears and the computer attempts to restart.

    The Windows self-check has detected a software conflict that must be corrected.

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My laptop does not boot. When I press the power button, Power LED turn on but nothing else happenes. None of the other lights turn on (Caplock, wifi, etc.), the screen is blank, and there is no BIOS beep....


Welcome to Fixya

This happens with all laptops. Try to drain the remaing static energy of the motherboard. Take out the battery then unplug the power adapter form your computer. Press and hold the power button for 10 secs. Put everything back in and turn ON the computer. If same thing will happen then this is already a LCD problem. You may contact our support at 1-877-453-686 press option 2.

Thank you for using Fixya!

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My computer will not load up


Likely a hard drive failure. With system off, hold the Fn Key and press the power button, this should launch diagnostics If the diags fail on the hard drive then you have a confirmed failure. If the diags don't run, then try booting to the resource CD to run them.

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The system powers up, I get the dell screen, then the screen goes blank and a cursor remains in the top left of the screen. The light left of the power button is green but the is no light on the power...


Tap F8 several times to see if the system will start in safe mode. If it does the problem is a software problem. Then try reloading windows. If by tapping f8 several times when u see the dell screen doesn't start the computer, your problem is hardware. Possibly a hard drive.

If you were a little bit handy and had another computer you could plug in another hard drive and see it the computer starts

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Motherboard most likely blown, contact me on my support pages on http://www.motherboardsrus.net Use the email contact us button for more help. Chris, the computer doctor.

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Go into the diplay properties, under the screen saver tab there is a button marked power, open this. Under one of the tabs there is a section that reads, when I close the lid, under this section set it as never.

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