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Windows 7: No Display, but everything's working just fine

14 Feb 2018   #1
rouward

Windows 7 Professional 64-bit
 
 
No Display, but everything's working just fine

One of the most annoying job when a PC in a perfect condition suddenly stopped working few minutes after the last open. Everything's running fine including keyboards and mouse lights are on (tested with capslock, numlock, scrolllock and mouse lights when moved and idle), but no display appeared on screen as if nothing happens. This happens on my certain PCs. This can be solved by basic troubleshooting (reset cmos, re-seat all wires and hardware, mainly the GPU), but sometimes repeating the same task over and over until the display finally appears. Oddly, the PC will work itself without opening the case (now working as of this edit).

I'm wondering what's the main cause of this when my PC had recently changed its parts (from ECS to GIGABYTE) and since then the PC runs fine prior to this.


My System SpecsSystem Spec
.
15 Feb 2018   #2
mrjimphelps

Linux Mint 18.2 xfce 64-bit (VMWare host) / Windows 8.1 Pro 32-bit (VMWare guest)
 
 

If the display is not working, how do you know that everything is working fine?
My System SpecsSystem Spec
15 Feb 2018   #3
rouward

Windows 7 Professional 64-bit
 
 

CPU is running fine along with keyboard are on. GPU and monitor haven't counter any problems.
I'm suspecting hibernate might be the cause (unsure of this) since I've been using that on all my PC for faster booting.
My System SpecsSystem Spec
.

16 Feb 2018   #4
RoasterMen

Windows 7 Home Premium 64-BIT
 
 

I believe your description is not enough. Is it booting up fine? If so, it's probably the dedicated GPU not seated properly or you haven't configured it properly in the bios....or could be the driver itself.

I'm gonna assume you are using onboard graphics since you haven't set your system specifications properly, you can do so by going in here: System Info - See Your System Specs - Windows 7 Help Forums.
My System SpecsSystem Spec
16 Feb 2018   #5
mrjimphelps

Linux Mint 18.2 xfce 64-bit (VMWare host) / Windows 8.1 Pro 32-bit (VMWare guest)
 
 

Quote   Quote: Originally Posted by rouward View Post
CPU is running fine along with keyboard are on. GPU and monitor haven't counter any problems.
I'm suspecting hibernate might be the cause (unsure of this) since I've been using that on all my PC for faster booting.
If hibernate is the cause, then go into your power options and set it to always be on, to never hibernate.
My System SpecsSystem Spec
18 Feb 2018   #6
rouward

Windows 7 Professional 64-bit
 
 

Quote   Quote: Originally Posted by RoasterMen View Post
I believe your description is not enough. Is it booting up fine? If so, it's probably the dedicated GPU not seated properly or you haven't configured it properly in the bios....or could be the driver itself.

I'm gonna assume you are using onboard graphics since you haven't set your system specifications properly, you can do so by going in here: System Info - See Your System Specs - Windows 7 Help Forums.
Sometimes yes and sometimes not booting at all even wth kb/m lights are on. It's just randomly happens on certain times.
I have multiple PCs with different specs so I didn't fill it. Here's some PC spec I was talking about
MOBO: GIGABYTE GA-H61M-S1 DDR3
GPU: GIGABYTE GeForce GT730 GDDR5 2GB
PSU: Xstyle 700w (replacing a defunct cheap 600w)

Last year, I changed the MOBO from cheap ECS board (not knowing the brand has the highest failure rate than the others) and the PC was in good condition prior to this.

Quote   Quote: Originally Posted by mrjimphelps View Post
If hibernate is the cause, then go into your power options and set it to always be on, to never hibernate.
That works just once.


Update: Yesterday I reset the BIOS setting to its optimized setting (no default setting), set the power to shut down from hibernate, and safely shut down the PC. But this morning, the PC is not booting at all, and with KB/M lights are off, it's likely the MOBO is already malfunctioning despite recently changed from last year and haven't reached a year old. Currently resetting its cmos, I'll update this later as I'm really busy with our customers.
My System SpecsSystem Spec
19 Feb 2018   #7
RoasterMen

Windows 7 Home Premium 64-BIT
 
 

I'm also skeptical about the PSU you are using.
My System SpecsSystem Spec
24 Feb 2018   #8
rouward

Windows 7 Professional 64-bit
 
 

I never had any issues from all PSU beside the old one.

Update 2: The affected PC seems working now after few days of test with proper shut down instead of hibernate.
Not sure if it was RAM since everything must read by RAM (starting from BIOS to OS) in order to work.
My System SpecsSystem Spec
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 No Display, but everything's working just fine




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