Dimension 8300, diagnostic lights won't stop blinking

I have a 2003 Dell Dimension 8300. Yesterday when I tried to turn it on, it won't send any video and the diagnostic lights won't stop blinking. The lights blink YYGG, which according to the manual, it should be a problem with memory modules. But, I have four 1GB modules and I removed them all and tested one by one to no avail. Anyway i think the YYGG light should be solid not blinking. Please help. anything else i could check? Maybe the lights are not working? 

thank you so much in advance. 

10 Replies
7 Plutonium

Re: Dell Dimension 8300 diagnostic lights won't stop blinkin

Its time to buy a new machine.

I would recommend WINDOWS 7

https://www.walmart.com/ip/463373968

VS XP

https://www.walmart.com/ip/803416719

 

 


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Re: Dell Dimension 8300 diagnostic lights won't stop blinkin

Hello SpeedStep,

any other ideas besides the obvious.  You are totally right, it deserves a replacement. the thing is, that i've already upgraded it with more memory, more hard drive,  Windows 7, and it worked just fine. 

The other real problem for not replacing it is the wife factor Smiley Happy.   I already have another newer Optiplex, and i can't just buy another PC you know (LOL).  So if this is something simple to replace, i'd like to know. I use this "low cost, low specs PC" for my astrophotography rig upstairs. 

 

thanks for your quick reply

Javier. 

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Moderator
Moderator

Re: Dell Dimension 8300 diagnostic lights won't stop blinkin

 

I have never heard of the diagnostic LEDs just failing. I would start by replacing the CMOS CR2032 battery. You can find them locally. Then retest. Can you test all four 1GB modules in another PC to verify that they function correctly?

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Re: Dell Dimension 8300 diagnostic lights won't stop blinkin

hello Chris,

Two very good suggestions,  what i did was to remove all 4 memory modules and tried each one on the 1st socket.  but didn't work.  i'll see if i can test them on another PC.

Also, i have several new CR2032 batteries, i'll try swapping that and report back.

Question, it is not "normal" that the diagnostic lights keep on blinking forever right?,  they should display a solid pattern, correct?. 

thanks so much for replying 

Javier 

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Moderator
Moderator

Re: Dell Dimension 8300 diagnostic lights won't stop blinkin

 

Correct, I do not see "blinking" in the chart.

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Re: Dell Dimension 8300 diagnostic lights won't stop blinkin

Hello Chris 

I changed the battery and got a solid YYGG pattern,  so according to the chart it indicates bad memory.  it is very strange since i have four 1GB and i have tried each one on the first socket, and none of them make the PC boot.

it is strange that all of them became bad.  i'll try to get a "clean" module and test with that. 

any other ideas?... thank you

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7 Plutonium

Re: Dell Dimension 8300 diagnostic lights won't stop blinkin

The power supply is pulsing on and off which is why the diag lights are blinking. It is never normal for these lights to blink. At a minimum your power supply is BAD.  Newer PFC units DO NOT APPLY to this system.  It must use a NON PFC unit.  This unit along with Optiplex 260, 270, 280 have another issue with Bad Capacitors.  This became EOL in 2008.

HIGH DENSITY or ECC or Buffered Ram DOES NOT WORK ON these units.  You did not say the part number / markings on the ram.

There is no sense in talking about Booting if you cannot F2 into bios.

 

 

 


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Re: Dell Dimension 8300 diagnostic lights won't stop blinkin

Hello SpeedStep,

the memory had been working correctly for many years.  they are PC2700 non-ecc.

what i don't know about, is the power supply,  can you point me out to a replacement one that would work?. 

 

thank you so much,

Javier 

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7 Plutonium

Re: Dell Dimension 8300 diagnostic lights won't stop blinkin

This unit is SOO OLD that Startech does not make the replacements anymore. The cost however is a waste considering you can get a GX620 with PCI-E vidoe or better for that amount.

ATXPW400DELL

http://www.tigerdirect.com/applications/searchtools/item-Details.asp?EdpNo=4276627

The ATXPW400DELL is compatible with standard ATX style versions of the following:

  • Dimension Series Models: 1100 / 2200 / 2300 / 2350 / 2400 / 4300 / 4400 / 4500 / 4550 / 4600 / 8200 / 8250 / 8300 / 8400 / B100
  • Optiplex Series Models: 170L / GX60 / GX150 / GX240 / GX260 / GX270
  • Power Edge Series Models: 400SC / 600SC
  • Precision Workstation Series Model: Model 340 / 350
  • Smart Step Series Models: 100D / 150D

There are still a few of the 350's

https://www.amazon.com/StarTech-com-ATX12V-Computer-Connector-ATX2POWER350/dp/B000FHGW8W


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