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Windows 7: HDMI-out stopped working, Win x64, Radeon HD 3200

26 Apr 2012   #1

Windows 7 Ultimate 32-Bit
 
 
HDMI-out stopped working, Win x64, Radeon HD 3200

Up until the other day, I've been using my MSI Wind u230 netbook / Radeon HD 3200 to output to my monitor (Acer S243HL - only has 1x DVI and 2x HDMI inputs) and then occasionally swap to a Westinghouse 32" TV.

The other day: I was using my monitor then swapped to the tv, and then returned to my room to connect to the monitor and it just won't work. (To note, I've been using Win key + P to set projector only and to disconnect projector before unplugging the HDMI cable.)

The netbook screen will turn itself off (as if it detects the HDMI-out) but the screen or TV will just show "No signal."

I tried a shorter HDMI cable, tried the other input on the monitor, still nothing. Strangely enough, checking the displays in Catalyst or the Screen Resolution properties, it can detect both the TV and the monitor. There's just no signal coming out.

Even stranger: trying to connect another laptop to the monitor (which used to work) displays "No signal" too.

Now I'm confused. Could it be a software issue? Could I have broken an HDMI port somewhere that somehow broke the other two HDMI cables in turn? Help?


My System SpecsSystem Spec
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26 Apr 2012   #2

Windows 7 Home Premium x64
 
 

Does the same HDMI input on the TV function properly if you connect, say a gaming console to that port, or a dvd player to that port?
My System SpecsSystem Spec
26 Apr 2012   #3

Windows 7 Ultimate 32-Bit
 
 

Hey James, thanks for the reply. To be honest, (and I know it's a bit silly, but some computer problems are like that) I still have a vague suspicion that a port (laptop's/TV's/monitor's) might be breaking pins or something in the cables, so I didn't want to try and plug in the PS3's HDMI cable in there.

However, the monitor has two HDMI inputs, tried plugging in to both, still no signal.

Again, I'm afraid of trying to plug in the PS3's HDMI port in the monitor for fear that the port may break it.
My System SpecsSystem Spec
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26 Apr 2012   #4

Windows 7 Home Premium x64
 
 

Well, it sounds more like a tv issue than it does a pc issue. If you use the current cable that is connected to your PS3, disconnect it from it's current HDMI port and reconnect it to the HDMI port your were sending signal from your PC to, if you still get no signal then you know that you have a bad HDMI port on your tv.
My System SpecsSystem Spec
26 Apr 2012   #5

Windows 7 Ultimate 32-Bit
 
 

The part that bothers me is now HDMI-out won't work with my monitor. (Tried with netbook, then laptop. I don't have another HDMI cable to test.)

Is it possible that a broken HDMI port can break HDMI cables that you connect to it, then in turn, break other HDMI ports you use that cable to?
My System SpecsSystem Spec
26 Apr 2012   #6

Windows 7 Home Premium x64
 
 

well, what's more strange, after re-reading your posts, you say that the PCs recognize the monitor an tv correctly.

Have you updated drivers recently? Maybe windows did and you are just unaware?

EDIT: So, just to clarify, BOTH of your laptops are now not sending signal to BOTH your TV AND MONITOR?
My System SpecsSystem Spec
26 Apr 2012   #7

Windows 7 Ultimate 32-Bit
 
 

Thanks for the reply! No updates, no changes in anything. This has been my setup forever. I use the monitor for things like word processing, spreadsheets, then connect to TV's HDMI for videos or YouTube.

The other laptop has never been able to HDMI-out to the TV, so that's normal. What's strange is now even that won't send out a signal to the monitor. (The monitor works with the other laptop flawlessly before.) Which has led me to the slightly-improbable scenario of an HDMI-port somewhere in my setup breaking cables that connect to it, or whatever the cable is used for later on. Pulling hairs.
My System SpecsSystem Spec
26 Apr 2012   #8

Windows 7 Home Premium x64
 
 

Is this the driver you have installed? AMD Catalyst
My System SpecsSystem Spec
27 Apr 2012   #9

Windows 7 Ultimate 32-Bit
 
 

I tried to check if it was a driver issue by updating my Catalyst drivers on the netbook, but not on the other laptop. Still nothing. And, like I said, it was working fine even before with the older drivers.

Is it possible for an HDMI port to short out?
My System SpecsSystem Spec
27 Apr 2012   #10

Windows 7 Home Premium x64
 
 

It is possible for an HDMI port to go bad. Unfortunately, you will have to take the laptop to a repair shop to test it. Does your laptop have a VGA out? If so, try connecting it to the monitor.
My System SpecsSystem Spec
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 HDMI-out stopped working, Win x64, Radeon HD 3200




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