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My dell T3500 precision not working and led 3 and 4 is on :( can any one tell me what to do ?

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  • Dell Master
  • 3,154 Answers

Https://www.dell.com/support/article/ca/en/cadhs1/sln288786/precision-t3500-t5500-t7500-workstations-diagnostic-lights-and-beep-codes?lang=en

The lights alone don't tell enough to tell you how to fix it ACPI S3
Suspend to RAM Windows Standby State.
Does it boot if you use a recovery disk or an emergency boot DVD or USB stick?
Detach all the hard drives and peripherals, pull out all the memory except one, Try again. What is the result?
Try it with a different memory module alone, Repeat.
See if you can isolate a bad memory module
Or it could be a bad motherboard. Shut down and unplug, Inspect the capacitors on the board. are any of them swollen, split or leaking?

https://www.dell.com/community/Desktops-General-Read-Only/Precision-T3500-error-3-4-loud-fan/td-p/4593093

https://www.dell.com/community/Precision-Fixed-Workstations/T5500-diagnostic-lights-3-amp-4/td-p/6066338

Posted on Nov 19, 2019

  • Larry Ng
    Larry Ng Nov 30, 2019

    sure, the dell manual covers that.
    we are not dell here, we are only fixya.

    i have the better T3610 here, and books too.
    Precision T3500
    LED errors 1,2,3,4/
    are.
    34 is
    Possible system board resource and/or system board hardware failure
    let me decode that to english real.
    it means vast things can cause this.
    PSU bad.
    any shorted modules inside or USB outside, cause this error.
    so remove all USB devices, ok now.
    then remove any PCI-e cards next. ok now.
    this is called reducting a PC to minumum system
    all SATA cables, dvd and hdd, etc.
    ok now?
    is this OLD PC running that 10 year old RTC battery , yes, why? a $1 part.

    ok now?
    last we test each RAM stick in bank0 channel A slot 1by 1, blow out the shots first with
    shop air or CAN-O_AIR sold at walfart.


    your service manual is here.https://www.dell.com/support/home/us/en/...

    the strip down test are here, in step by step.
    http://www.pcdied.com/PSU/strip-down-tes...


    that code 34 is not AI< not by a mile
    it is just crude error code, means, do all the tests by hand to find out why.

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6ya staff

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Posted on Jan 02, 2017

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IQUIT

  • 3940 Answers

SOURCE: dell precision 490 led 1 & 4 on

If you are getting no video at all, then we can use the diagnostic LEDs and the power LED to help determine the failure.
http://www.fixya.com/support/r4282412-find_no_post_diagnostic_information_dell

Posted on Mar 29, 2010

c-hom

Anirban Mazumdar

  • 150 Answers

SOURCE: dell T3500 with E139765 on motherboard. LED on

Hi,

Try the steps given below and it should resolve the issue;
1. Turn off the computer - unplug the power cable
2. Press and hold down the power button for 1 minute with power cable unplugged
3. Release the power button
4. Reconnect the power cable and turn on the computer
5. Dell ought to boot in Normal Mode

Lemme know the results.

Regards,

Anirban Mazumdar

Posted on Dec 04, 2010

heavymetal77

Pete MacSparran

  • 721 Answers

SOURCE: how do you remove the

http://support.dell.com/support/edocs/systems/wsT3500/en/SM/td_opthd.htm

All the info you need. Very easy to do.

Posted on Apr 30, 2011

shademand

Shannon Anderson

  • 114 Answers

SOURCE: Dell Precision T3500 Press

Try running diagnostic test press the power and the windows key at the same time and it will run in diagnostic mode and hopefully that will reveal the trouble. Also, you may wish to try reseating the memory.

Posted on Sep 06, 2011

butaqa

BRIAN WILSON

  • 1 Answer

SOURCE: dell precision T3500 unable to initialize fan controller error

This works without opening the case. It should resolve your problem:

1. Shut down your Dell Precision T3500 workstation.
2. Disconnect the AC power cable from the system.
3. Drain the power from the system by pressing and holding the
power button on the front of the chassis for about 30 seconds.
4. Reconnect the AC Power cord.
5. Restart the system.

Issue should be resolved.
- Source = Dell Support:
http://www.dell.com/support/article/us/en/19/SLN79964/EN

Posted on Mar 21, 2016

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Dell precision t3500 solid Amber light and 1 and 2 were blinking


kindly tell what LED blink
The monitor power buttons wrong color LED.
the PC power case button or LED
the PC 4 LED strip ? POST error coded strip.
The KEYBOARD keys act funny, even blink out codes/?
direct to it":

https://www.dell.com/support/home/us/en/19/product-support/product/precision-t3500/manuals



IS the 9 year old PC dead? I presume so. but is it?the screen is blank and black full time.
T3500 the letter "T" means tower, or desktop.
amber lamps on the unstated monitor, or PC case front. or on some dell PC case it as 4 led, diagnostic strip of lamps, a coded, that?
The manual is free to read, and covers led codes.
I'm answering hyjacker Seun O now,, you too no clues as to what you see, on monitor or the PC itself.
here are common failures, on all 9 years old PCs.
The RTC battery in the PC goes dead, the coin cell inside,
the HDD is bad.
the HDD OS is corrupted. for sure if XP OS.
The monitor is older than 2010 the CCFL backlamps die.
the 12 tests are here.

http://pcdied.com/dead-PC.html

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Were do I connect the monitor to the dell precision t3500


It's simple. If you still have a problem please take a look at manual in pdf file for this dell t3500. You can find it here for example:
User manual for Dell T3500

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Dell T3500 Power button blinks yellow 3-5 times and the 1 and 3 numbered lights blink as well - then they go off together and computer will not turn on


Blinking Amber - System fault error condition including Power Supply (only +5VSB working), V reg (Voltage Regulator) failure, missing or bad CPU etc.1 and 3 LED"s indicatesMemory configuration error.
Just to make sure thatnothing else is causing the problem, remove any PCI cards like modem, videocard, sound card, etc... Remove the memory modules and disconnect cables toCD/DVD drives. Look at the USB ports to see if any are damaged.

Jul 03, 2011 | Dell Precision T3500 Computer Workstation...

1 Answer

Dell T3500 with E139765 on motherboard. LED on motherboard is yellow & system will not boot up.


Hi,

Try the steps given below and it should resolve the issue;
1. Turn off the computer - unplug the power cable
2. Press and hold down the power button for 1 minute with power cable unplugged
3. Release the power button
4. Reconnect the power cable and turn on the computer
5. Dell ought to boot in Normal Mode

Lemme know the results.

Regards,

Anirban Mazumdar

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