dell dimension 4700

5697 Views 9 Replies 2 Participants Last post by Wrench97, Jun 1, 2008

dannaswolcott

Discussion Starter · Jun 1, 2008

I went to power on my dell dimension 4700. I powered it on, It booted to the welcome screen. I forgot the password so i rebooted it and went in to safe mode, The system rebooted half way into safe mode then the system locked up. I pressed the power button for 7sec powered it off, waited 30 sec, then powered it back on. When i powered it back on, the fans were on high and i got no video. I powered off the unit and unplugged it, reset the bios and still, I get no video but I do hear the fans spinning high. What can be the problem? Please post your thoughts! Thanks in advance!

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Wrench97

· #3 · Jun 1, 2008

Do you have a bootable CD? If so try booting from the Cd.

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Wrench97

· #5 · Jun 1, 2008

Ok do you know where the 4 Diagnostic Lights labeled A,B,C,D on the back panel?

Which ones light up and what colors are they?

Here is a link to the Dell Diag page. let us know what you find.

http://support.dell.com/support/edocs/systems/dim4700/sm/adtshoot.htm#wp1054305

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Wrench97

· #7 · Jun 1, 2008

Can you give us any more detailed specs how many Memory modules,
Do you have a separate graphics card or is it on board?

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Wrench97

· #8 · Jun 1, 2008

Also can you check the cmos jumper to make certian it is on correctly

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Wrench97

· #10 · Jun 1, 2008

If you have more then 1 stick of memory pull the second one out and try to boot if you only have 1 stick try to reset it. I'm afraid with the combination of lights you have Dell does not have a code for and that usually means a motherboard failure.

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