Dell 4700 Hangs at video card splash screen

June 25, 2015 at 10:52:27
Specs: Windows XP
On power up, CPU cooling fan runs full tilt.
drive light on Steady. keyboard lights flash briefly as normal. No Post or Beep codes. system boot gets as far as video splash screen. system hangs at this point. keyboard dead. CPU fan still Roaring away. All Diagnostic Lights on back [ A B C D ] OFF
all pariffis. on Mother board, Vid,sound,etc.
O:S Windows X.P Home
have tried re-seating memory, Reseated CMOS
battery and no change. replaced Memory mods and CMOS batt.
Got it to work the day b4 yesterday after futzing around with it. today problem has returned. is PSU faulty or has the CPU given up?

Thank you in Advance :)

message edited by Jimbo236

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June 25, 2015 at 13:21:00
What do you mean by the "video splash screen"? Do you mean the one with the manufacturers logo on it?

When you were "futzing around with it" what was it you did to make it temporarily work?

Always pop back and let us know the outcome - thanks

message edited by Derek

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June 26, 2015 at 01:27:40
The motherboard bios isn't taking over else the fan would slow down to normal speed. The video card bios is loading and showing its logo but that's before the motherboard bios takes over.

Always disconnect the power cord when working inside the case. Not because it'll shock you but because the PSU normally supplies a small charge to the motherboard even when off. Because of that, hardware can be damaged if you remove or install it with the power cable attached.

You can hope it's a stubborn video card. Try using on-board video if you have it or another video card. If that's not it it's probably some hard-to-identify hardware problem. Temporarily disconnect the drives and any unnecessary cards. Remove any unneeded USB devices. Then see if you get the normal PC logo or posting screen.

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June 27, 2015 at 18:30:39
Hi, Derek
I meant the monitor manufacturers logo Actually.
as far as futzing, I pulled and reseated the memory. and the same for bios Batt.
ended up replacing memory,bios Batt,and P.S.U all to not avail.

message edited by Jimbo236

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June 27, 2015 at 18:39:04
the video card is on board, all pariffs. are on board actually.
and what I meant to say b4 was that it was the video monitors splash screen.
and I did try disconnecting all USB devices. and even the hard drive, thinking that windows was hanging the system. expecting a hard drive failure MSG
but nothing different happened. "Tis a puzzlement"

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June 28, 2015 at 01:39:57
Oh, it's just the monitor logo and not the video adapter. Often a video adapter such as Nvidia will identity itself prior to the normal PC logo or posting screen. It's often missed because it would be the first thing that shows on the screen and then only for a moment. But with yours nothing ever posts from the computer itself.

Did anything happen to the computer or did you make any changes to it between the last time it worked OK and the first time it didn't?

I know this doesn't narrow it down but it could be the power supply or motherboard. Fans and drives spinning up and LEDs flashing only mean the PSU is providing 5 and 12 volts. The motherboard itself needs other voltages at sufficient current. If you have a working compatible power supply you may want to swap it in and see if it works then.

Or often motherboard manufacturers use low quality capacitors that eventually go bad. If so it'll often be those surrounding the cpu. They'll get a puffy look like a soda can that's been in the freezer too long and maybe some dried residue on the top indicating leakage.

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