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Windows 7: Win 7 netbook shuts down to black screen with blinking cursor - help.

28 Dec 2011   #1
swayzak

Windows 7 Starter
 
 
Win 7 netbook shuts down to black screen with blinking cursor - help.

Hi

My Medion Win 7 Starter netbook has started shutting down spontaneously after an hour or two.

When I return to it, the screen is black & there is a single blinking cursor top left.

I have to shutdown manually with power button.

On reboot there is a "windows did not shut down correctly..." black screen & if I select "start normally" it boots into desptop ok.

My power option is set to harddisk always on.

Virus scan is clean.

This is most disconcerting.

Can anyone advise ?


thanks


My System SpecsSystem Spec
.
28 Dec 2011   #2
DustSailor

Microsoft Windows 8.1 Pro 64-bit
 
 

swayzak, please answer these questions in your next post:

Is windows activated? Look computer>system properties and at the bottom it should say if it is or not.

Does it have all of its drivers and updates from windows installed?

What antivirus are you running?

When you power back up, is the battery retaining at least some of its charge (should be displayed on the far right of the taskbar)?

Is the battery loose or is your computer over-heating?
My System SpecsSystem Spec
29 Dec 2011   #3
swayzak

Windows 7 Starter
 
 

Thanks

Quote   Quote: Originally Posted by DustSailor View Post
swayzak, please answer these questions in your next post:

Is windows activated? Look computer>system properties and at the bottom it should say if it is or not.
Yes

Quote:
Does it have all of its drivers and updates from windows installed?
Yes

Quote:
What antivirus are you running?
AVG Free 2012

Quote:
When you power back up, is the battery retaining at least some of its charge (should be displayed on the far right of the taskbar)?
Yes, battery charge is fine

Quote:
Is the battery loose or is your computer over-heating?
Not that I'm aware of. Unfortunately the BIOS settings are v limited so there is no way to tweak temp thresholds...
My System SpecsSystem Spec
.

29 Dec 2011   #4
DustSailor

Microsoft Windows 8.1 Pro 64-bit
 
 

Well, I don't know if it will solve your problem, but I very much recommend the removal of AVG, as it causes its own set of problems. This isn't because I'm a fanboy of another AV, it quite litterally is an atrocious antivirus. You will need to remove it with its removal tool: AVG - Download tools and utilities

I recommend MSE, as it is trusted, clean, and highly recommended here and many other places as well: Anti-Malware, Virus, Spyware Protection | Microsoft Security Essentials

Let me know if this fixes anything (at least try it to see any performance gain, etc).

Sway, are you overclocking a windows starter? o.0
My System SpecsSystem Spec
29 Dec 2011   #5
swayzak

Windows 7 Starter
 
 

Thanks

This morning, after being left on whilst we were eating breakfast, I cam back to black screen with this message:

Reboot and select proper boot device or insert boot media in selected device

Does this add any further clues ?

I can restore the factory installation from recovery disk, but would rather avoid if possible as many programs have been installed since.

I can try changing AVG, but AVG has worked fine for over a year on this machine. The black screens have only started appearing for the last few weeks.
My System SpecsSystem Spec
29 Dec 2011   #6
DustSailor

Microsoft Windows 8.1 Pro 64-bit
 
 

all it takes is an update with AVG.
use these tutorials:
SFC /SCANNOW Command - System File Checker
Startup Repair
My System SpecsSystem Spec
29 Dec 2011   #7
swayzak

Windows 7 Starter
 
 

Quote   Quote: Originally Posted by DustSailor View Post
all it takes is an update with AVG.
use these tutorials:
SFC /SCANNOW Command - System File Checker
Startup Repair
Thanks

Bit late as I replaced AVG with MSE.

And still got the blinking cursor tonight after leaving netbook for a few hours

Rebooting still gets me into Win 7 OK.

But this is most annoying as clearly this installation has become unstable & appears to attempt a reboot after not being used for a while.
My System SpecsSystem Spec
29 Dec 2011   #8
DustSailor

Microsoft Windows 8.1 Pro 64-bit
 
 

Did you use those tutorials? Does your computer go into hibernation mode or sleep mode, or is the screen just set to turn off?

Have you changed any services, registry, or BIOS settings? If you are overclocking, stop. You might try resetting the BIOS.

Could always be a hardware issue, so don't rule it out. You can test the RAM and the disk with memory check and check disk.

Don't hold any regrets for removing AVG. It is a bloated AV that often misses the viruses altogether. Though it is sad that it did nothing to fix your current problem.
My System SpecsSystem Spec
29 Dec 2011   #9
swayzak

Windows 7 Starter
 
 

I ran the system file check - no errors.
My System SpecsSystem Spec
29 Dec 2011   #10
DustSailor

Microsoft Windows 8.1 Pro 64-bit
 
 

Quote   Quote: Originally Posted by DustSailor View Post
Did you use those tutorials? Does your computer go into hibernation mode or sleep mode, or is the screen just set to turn off?

Have you changed any services, registry, or BIOS settings? If you are overclocking, stop. You might try resetting the BIOS.

Could always be a hardware issue, so don't rule it out. You can test the RAM and the disk with memory check and check disk.

Don't hold any regrets for removing AVG. It is a bloated AV that often misses the viruses altogether. Though it is sad that it did nothing to fix your current problem.
One down, the rest of it to go...

are you overclocking any?
My System SpecsSystem Spec
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 Win 7 netbook shuts down to black screen with blinking cursor - help.




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