Hi - I have a Dell 8400, fails post. Diag indicators are A,B,C green and D amber. Sometimes the screen is black with a single blinking cursor and sometimes it shows the Dell splash screen. Cannot get to the point where I may select safe mode, f8 key, etc. I have a P4 with RAID 0. It did fully boot twice but failed with a blue screen soon afterwards. Seems to be the same if I have nothing plugged-in or if I only have the USB keyboard plugged-in. Oh - once it failed with the diag indicators A=amber, B,Cand D=green, Dell splash screen only. I recently uploaded MS updates including SP3 but I operated the PC several days after that, my guess is that the updates are not a factor. Dell service was not able to help me. They suggested I take it to a shop. If I cannot fix or diagnose this I would like a suggestion for getting the data off the RAID disks, maybe a suggestion for a compatible RAID controller card to use with a new machine (yeah, I know, but I waas sloppy with backups). Thanks much

Question 1

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Dell E510 power on , black screen and amber color button and cuts off What do I do?????

A DELL PC OUT OF THE BLUE FAIL? OR BOUGHT IT DEAD?
E510 DESKTOP RELIC FROM THE YEAR.2005
jUST 17 YEARS OLD,
wow it ran every day for 17 year and failed today 2022?????
no monitor told it too has power button and cable.(video)
the power button glows and has green or amber.
and can flash.
I'm reading your free manual now on line
it tells you
"amber light - Blinking amber indicates a problem with the power
supply inside the computer. If the system cannot boot and there is
a solid amber light, this indicates a problem with the system board
(see "Power Problems" on page 40)."

FANS DEAD, CPU AND PSU, IS POWER FAILURE
IT FAILS DEAD COLD< OR ONLY HOT RUNNING LONG TIME.?
my guess you meant dead code power on.

first off the COIN cell battery is dead now.
no PC runs right with that dead. ever.
is 1st thing to do.
below 2.9vdc it fails. no coin lasted 17 years NOT ONE
and can NOT Be ignored
sold in exit lane 15 walmart. CR2032.

dell has the worderful 4 bit binary diagnostic LED bank\
that has code for all POST errors, nice , no? page 47.

https://downloads.dell.com/manuals/all-products/esuprt_desktop/esuprt_dimension_desktops/dimension-5150x_owner%27s%20manual_en-us.pdf

manual was first google hit.
amazing no:?

Feb 24, 2022 • Dell Computers & Internet

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Dell dimension 8400 blinking amber light ethernet port

An Amber blinking power button indicates a low voltage problem. This can be caused by a defective power supply or a defective motherboard. Since you replaced the power supply, my guess is that the motherboard has a problem.
Just to make sure that nothing else is causing the problem, remove any PCI cards like modem, video card, sound card, etc... Remove the memory modules and disconnect cables to CD/DVD drives. Look at the USB ports to see if any are damaged.

Jul 27, 2012 • Dell Dimension 8400 PC Desktop

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After the power on (green light steady) the dell logo proceeds then a blank screen comes up with a cursor to the top left of the screen. Please help The cursor comes to blink so I dont get anything...

It must be a software problem... try to restore your software most dell computers have a particion where all the software needed to start you pc is stored....
Here's a video tutorial of how you can do it

:)

Aug 23, 2011 • Dell Dimension 8400 PC Desktop

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Hi, I have a dell 4300 dimension that won't boot past the bios screen. When powered up, the motherboard displays a solid green light and a solid amber/yellow light?

you need to post the Power LED and Diag LED status from the rear of the computer, as they have information on why the system isn't booting.
http://www.fixya.com/support/r4282412-find_no_post_diagnostic_information_dell

Mar 21, 2011 • Dell Dimension 4300S (Refurbished)...

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My 6 year old Dell Dimension 8400 quit working completely.

Depending on the symptoms, you may have different faults.
http://www.fixya.com/support/r4282412-find_no_post_diagnostic_information_dell
Flashing Amber power LED, normally power supply
AAGG Diag LEDs normally bad RAM
Solid Amber Power LED, bad motherboard or Expansion card connected to it.
If you need a motherboard a Precision Workstation 370 motherboard is essentially the same and is available, (8400 motherboards are scarce)
http://shop.ebay.com/i.html?_kw=T7787&_kw=DELL&_kw=Motherboard

Feb 05, 2011 • Dell Dimension 8400 PC Desktop

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Dell 8400 No Boot, not even POST

It sounds like your bios were improperly flashed or went bad. The X300 SE message is your video card. So your video card works, the system mostly works, but the BIOS isn't starting up. You should contact Dell and tell them the situation.

Apr 19, 2010 • Dell Dimension 8400 PC Desktop

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My dell dimension 8400 canot boot up at all and the Diagnostic Lights not light oso..so wat i can do?

The POWER and DIAG LEDs can give you information. If no DIAG LED look at the POWER LED
http://www.fixya.com/support/r4282412-find_no_post_diagnostic_information_dell
Flashing amber, most likely the power supply
Solid Amber, motherboard or item plugged into the motherboard (Expansion card, external connection etc.)

Apr 17, 2010 • Dell Dimension 8400 PC Desktop

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Will not Boot Dell XPS600 Pentium D Processer 830 with Dual Core @ 3.0GGHz, 800FSB Vista Ultimate GeForce 8400 GS 512 MB DDR2 PCI Express Graphics Card Sound Card : SoundBlaster X-FI XtreamMusic Memory 3GB...

hey the problem from ram or hard disk cable dutted

Dec 15, 2009 • Dell Computers & Internet

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Dimension e310- Black screen when powering on, 1 & 2 lights blink

Generally, the 1 and 2 Diagnostic LEDs indicate a failure of a PCI expansion card.
http://support.dell.com/support/edocs/systems/dim3100/en/sm/adtshoot.htm#wp1130520
So remove any expansion cards, see if anything changes. If it does, one of the PCI cards is suspect.
If the system has an expansion video card in the PCI-E slot, and removing the PCI cards had no effect, remove the PCI-E video card and connect to the intergrated video port (You may have to remove a black cover from the port) and see if you get video. If you do, then the Expansion video card has failed.

Nov 21, 2009 • Dell Computers & Internet

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Computer Won't Power Up

If the blinking amber LED is on the computer itself and not the monitor, this is most likely a power supply issue. First thing to try would be replace the power supply. If the blinking led is on the monitor, it probably has bad capacitors and needs to be replaced. (or repaired)

Jul 15, 2008 • Dell Dimension 8400 power supply ** FREE...

Question 2

Shawn DuRee

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Posted on Apr 20, 2010

Shawn DuRee

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Joined: Apr 14, 2010

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Unfortunately the dell website (not me) is not very helpful. Here's what is says about your diagnostic lights

Hi - I have a Dell 8400, fails post. Diag - 53d4d5f.jpg
Another failure has occurred.

Ensure that the cables are properly connected to the system board from the hard drive, CD drive, and DVD drive.
If there is an error message on your screen identifying a problem with a device (such as the floppy drive or hard drive), check the device to make sure it is functioning properly.
The operating system is attempting to boot from a device (such as the floppy drive or hard drive); check system setup (see "Boot Sequence") to make sure the boot sequence is correct for the devices installed on your computer.
If the problem persists, contact Dell.

Shawn DuRee Apr 20, 2010

p.s. sounds like the RAID controller may be bad. If it's not too expensive try to buy the exact same model and replace it and hopefully your RAID 0 array will still be intact

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Dell E510 power on , black screen and amber color button and cuts off What do I do?????

Dell dimension 8400 blinking amber light ethernet port

After the power on (green light steady) the dell logo proceeds then a blank screen comes up with a cursor to the top left of the screen. Please help The cursor comes to blink so I dont get anything...

Hi, I have a dell 4300 dimension that won't boot past the bios screen. When powered up, the motherboard displays a solid green light and a solid amber/yellow light?

My 6 year old Dell Dimension 8400 quit working completely.

Dell 8400 No Boot, not even POST

My dell dimension 8400 canot boot up at all and the Diagnostic Lights not light oso..so wat i can do?

Will not Boot Dell XPS600 Pentium D Processer 830 with Dual Core @ 3.0GGHz, 800FSB Vista Ultimate GeForce 8400 GS 512 MB DDR2 PCI Express Graphics Card Sound Card : SoundBlaster X-FI XtreamMusic Memory 3GB...

Dimension e310- Black screen when powering on, 1 & 2 lights blink

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