Member Avatar for tphan80

one night i accidently took the ram out while it shutting down. after that the screen is black and i have to hold the power button to turn off. From then when i turn on the computer, i don't hear anything running at all and the screen is dark black then it turn off after 3seconds. I only can see the power light come on during that 3 seconds. it happen ever time....anyone has any suggestion of what happen...i really need this laptop for my school works....thank you so much for reading..

  • 3 Contributors
  • 3 Replies
  • 125 Views
  • 1 Year Discussion Span
  • Latest Post Latest Post by ssabir

Dani AI

Generated

The symptom described by — power LED on for about three seconds, no fan/HDD noise, then an automatic shutoff — and the identical report from point to an early power/POST failure rather than an operating-system problem. is correct that hardware is likely involved, but it helps to narrow which subsystem before replacing parts.

Try these targeted checks in order (power off, unplug AC and remove battery before opening anything):

  • Do a power/EC reset: unplug AC and battery, then hold the power button 30–60 seconds. Reconnect AC only and try to power on. This clears an embedded-controller lockup that can cause instant shutdowns.
  • Verify the adapter/DC jack: check the adapter LED (if present), wiggle the plug gently while powering to see if behaviour changes, or measure the adapter output with a multimeter and compare to the label. A failing adapter or a cracked/wobbly DC jack will cut power immediately.
  • Boot with minimum parts: remove HDD, optical drive and any cards; leave CPU, one RAM module and video. If the board stays on longer, add parts back one at a time to find the culprit.
  • Observe audio/LED codes: listen for beep codes or note any blink patterns; they give specific fault clues. Try a single RAM stick in the primary slot (if comfortable doing so) to isolate memory faults.
  • Visual inspection: look for burn marks, swollen/bulging capacitors, or a loose/kinked power jack. Smell can reveal a burned component.
  • Reset CMOS if accessible: removing the coin cell briefly can clear BIOS problems that block POST.

Cautions: use antistatic precautions, work on a nonconductive surface, and do not short connectors. If these steps don’t change behavior, the failure is likely in the power delivery or logic board and a repair shop or a used replacement board will be the next practical option. Record exact LED/blink timing and any beeps — that information speeds accurate diagnosis.

Member Avatar for Member #134132

You've probably burned either the motherboard or the RAM. In the latter case changing the ram module might help.
However the rule of a thumb is call DELL.

Member Avatar for tphan80

Thank you so much for you advice, i will call dell for info then try to change the ram...if still not work then i'm scrue....once again,,thanks

Member Avatar for ssabir

IS your problem resloved, I too have same problem with Inspiron 6000, I didnot take out RAM, when I press power on button all LEDs come up for 3 seconds and laptop shuts down. Display is blank. Pls reply ASAP.

Thanks in Advance.
SABIR

Be a part of the DaniWeb community

We're a friendly, industry-focused community of developers, IT pros, digital marketers, and technology enthusiasts meeting, networking, learning, and sharing knowledge.