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Dell Inspiron 531s Video/Power?

By dinkey ·
Working a Dell Inspiron 531s desktop pc. It's running Vista 32bit. Everything pointed to a bad motherboard. But when I got another board to replace it's doing the exact samething it gets power but no video. Pulled evrything from the board (ie hdd, dvd, usb audio modem) Changed out the memory with known good tried a video card even swapped out the cpu and power supply but no matter what I do to either motherboard all I get is CPU & Case Fans spin but no signal/video to monitor. Light on front of the case stays a steady orange. Used the jumper on the board to try and reset cmos took out the cmos battery even tried unplugging and holding power button still same results.

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All Answers

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Have you tried a Known Good Power Supply?

by OH Smeg In reply to Dell Inspiron 531s Video/ ...

The one in the unit may be down on current and while it may show the right voltages it may not be supplying what the unit needs when under load.

Col

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Reponse To Answer

by dinkey In reply to Have you tried a Known Go ...

Yes, I tried a brand new 450 power supply which tested good also.

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Monitor?

by da philster In reply to Dell Inspiron 531s Video/ ...

Does the monitor check out?

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Reponse To Answer

by dinkey In reply to Monitor?

Monitor is in good working condition even tried it on a 2nd monitor just to be sure. Same results. No signal.

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Monitor cable?

by da philster In reply to Dell Inspiron 531s Video/ ...

Does the monitor cable check out?

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Reponse To Answer

by dinkey In reply to Monitor cable?

Yes, cable is working.

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Funny I've got a 531S with same symptoms

by robo_dev In reply to Dell Inspiron 531s Video/ ...

Believe it or not, in the case of an orange front light, it can be a BIOS error caused because a fan is not spinning up fast enough.

http://johnlamansky.com/tech/the-mystery-of-the-orange-light-part-3/

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