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Flashing Caps Lock for 45 times and blank screen desplay Dell 1420 and won't start

Posted by Samantha Wijesundara on

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colt_baldwin

Donald "Colt" Baldwin

  • 103 Answers

SOURCE: Blank screen on laptop

Sorry to hear you are having problems. I have had this same issue before with this particular model. The following solution works 90% of the time.Perform a hard reset as the first procedure.

  1. Disconnect all peripheral devices and remove all USB devices and media cards. You want to test the computer not the accessories!
  2. Disconnect the AC power adapter, remove the battery, and then press and hold the power button for at least 15 seconds .
  3. Reconnect the AC power adapter (but do not connect the battery), Press the Power button, Look for glowing LEDs near caps lock and num lock keys, and Listen for sounds of a disk drive and fan turning.
Meaning of Sample Blink Codes for some EFI Notebooks Number of Blinks or Beeps Location of Blinking LEDs Component Being Checked Error Condition Continuous glow Battery power LED Battery The AC adapter is attached and the battery is charging, but does not yet have sufficient charge to power the notebook. 1 Caps Lock/Num Lock CPU CPU not functional 2 Caps Lock/Num Lock BIOS BIOS corruption failure 3 Caps Lock/Num Lock Memory Module error not functional 4 Caps Lock/Num Lock Graphics Graphics controller not functional 5 Caps Lock/Num Lock System board General system board failure 6 Caps Lock/Num Lock BIOS BIOS authentication failure Continuous blink AC power adapter LED Power adapter Insufficient power
Blink codes are often displayed after a user adds memory to the computer but does not seat the module properly. The LEDs may also blink error codes if a hardware component is loose because the computer was dropped or jarred. Some HP Notebook PCs come with one stick of memory but have two memory slots. The problem could be that the stick of memory or one of the memory slots has a bad connection. The memory module compartment on most notebooks is located on the bottom of the case. The exact position varies by model. However, on some models, the memory compartment is under the keyboard. See your User Guide for the exact location of memory modules on your notebook.

Use the following steps to remove and reseat the memory modules: Step 1 - Remove the electrical power To remove all power from the computer and prevent accidental damage to the electronic components, do the following:
  1. Turn off the computer by pressing and holding down the Power button for about 30 seconds.
  2. Unplug the AC adaptor from the notebook.
  3. Slide and hold the battery release latch to the unlock position.
  4. Use your finger to lift the battery up and out.

  • Remove the memory module cover on the bottom of the notebook .Loosen the compartment's retention screws and lift up and remove the memory compartment cover. Remove the memory modules from the memory slots To prevent damage to the memory module, grasp the memory module by the side edges. Do not touch the metal contacts.
    1 - Pull the retention clips away from sides of the memory module
    2 - Gently pull the module out of the memory module slot
  • Reseat the memory module by holding module at a 45-degree angle, and pressing it firmly into the memory slot until it is seated.

    After reseating the memory module, replace the cover over the memory compartment before restarting the computer

    Hope this helps FiYa! If you find this solution helpful, please take a moment to leave us some feedback.

    Thank You!

    Posted on May 12, 2010

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    Jubert

    Jubert Ledesma

    • 249 Answers

    SOURCE: Dell Inspiron 1520- Blank screen, Caps Lock flashes 45 times...

    If it does not even post or show the DELL Logo then this may already be a hardware failure. The best thing to do is to contact Dell Tech Support. Specially if you still have warranty. It could already be a couple of things ranging from the memory to the motherboard itself.

    Posted on Apr 29, 2010

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    Anonymous

    • 233 Answers

    SOURCE: Hello All, I have dell inspiron 1420, suddenly it

    The issue could be due to various reasons such as corrupted display drivers.
    Visit the below link for more information
    http://notebook-solutions.blogspot.com/2009_07_05_archive.html

    Posted on Aug 19, 2010

    Tom Gilligan

    • 111 Answers

    SOURCE: Flashing Caps Lock for Dell 1420 and won't start.

    A quick look on the Internet and the DELL support side indicates the flashing caps lock light is the result of a SDRAM memory fault. It flashes 10 times, after which all led lights above the keyboard go off. have you installed new memory lately? Maybe it cam loose. If not swapping out the memory may solve your problem.

    I’m happy to help further over the phone at https://www.6ya.com/expert/thomas_b83e841f114394f4

    Posted on Nov 23, 2010

    NomadTrucker

    Nomad

    • 166 Answers

    SOURCE: dell inspiron 1501 won't boot

    Caps lock flashing indicates faulty memory - it's a POST (Power On Self Test) before BIOS executes. When memory is removed it should indicate "no memory". Carefully re-insert the RAM memory module, check the tiny contacts inside the connector on dust. Then try again.

    If there are 2 memory banks (1 one the back, the other under keyboard) remove one RAM memory module.

    If capslock keeps on flashing test it with another RAM module.

    Posted on Jun 30, 2011

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