'No signal input' on monitor

  algernonymous 20:52 14 Aug 2004
Locked

I was given a PC case with PSU & motherboard, so I've fitted a Celeron 700 processor, a HDD, floppy and RAM. But the monitor displays 'NO SIGNAL INPUT'. It has onboard graphics so tried an AGP card and then a PCI but still the same result. What next?

  sil_ver 21:15 14 Aug 2004

Have you tried resetting the BIOS? (CMOS). Alternatively, was the mobo working before you got it.

  Fruit Bat /\0/\ 21:17 14 Aug 2004

possibly a faulty monitor cable?

  algernonymous 22:53 14 Aug 2004

I'll try resetting BIOS. Don't know if mobo was working...

Monitor/cable are OK- tested on another machine.

  Djohn 22:57 14 Aug 2004

and screen size. Is it a TFT by any chance?

  woodchip 23:35 14 Aug 2004

What about the CPU settings and how do you know that the Celeron will work on the board

  algernonymous 22:14 15 Aug 2004

Philips 105s 15" crt monitor.

Can't see bios for CPU settings. It previously had a 633 Celeron in it.

I should have added to my original post:- the CPU fan spins, the HDD whirrs, and the floppy light comes on

  Djohn 23:25 15 Aug 2004

It may be that the on-board graphics is working but was disabled from the BIOS by the previous owner while he/she used an AGP card. Have you tapped away on the Del. key while booting to see if you can get into the BIOS to check?

  duckers 23:35 15 Aug 2004

It does sound as if the onboard graphics are disabled, if the onboard gfx chip was stuffed the monitor would not show the no signal message (this si a typical case with PCI/AGP cards but I could be wrong with onboard).
You should be able to enable the onboard graphics in the BIOS ... .. .

  woodchip 17:37 16 Aug 2004

You can check the motherboard for Jumpers for CPU settings, if you do not have the Manual.

  woodchip 17:38 16 Aug 2004

Look for white writting by the jumpers

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