ASUS S56CA Black Screen Boot, MB Lights On, Hard Drive Spinning, No Fan Spinning
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Laptops
- Boot
- Hard Drives
Last response: in Laptop Tech Support
hxrsmurf
October 11, 2013 10:28:03 AM
Hey Tom's Hardware,
I recently purchased an ASUS S56CA from eBay's NewOpenBox. ASUS doesn't acknowledge the warranty from eBay, I got a ADP card of some sort. But, just three days ago the laptop was trying to boot into PXE, so I went and disabled it in BIOS. I am pretty sure I didn't turn it off, I just changed the boot order. Then, on reboot a black screen.
I have tested the hard drive and it works. I've tried pulling the CMOS battery for thirty minutes, still nothing. Powering on without ram does not yield any beeps. I've also checked the monitor/display and to no avail. I've plugged it into both an HDMI and a VGA display, nothing.
The lights on the front turn on: power indicator, hard drive usage indicator, and battery charging indicator. The hard drive turns off after maybe a post? But, when I open it up the fan, I think it is the CPU fan, doesn't spin up. I've taken this apart three times and still am lost.
I'm quite frustrated because this was a lot of my money I saved up and now it isn't working, seemingly, because I turned off that pxe boot option.
Maybe a dead GPU? But, this laptop isn't that old. I did have it on my bed, so heat would have trouble getting out, but that was only a few times. I would be astounded if the graphics card was fried because of that.
If nothing can be done to fix it, any suggestions on selling the items? I was thinking of taking it apart and selling the display, ram, hard drive, mSATA, and maybe the WLAN card.
I would appreciate any help, thank you. I also apologize if this is the wrong sub-forum.
I recently purchased an ASUS S56CA from eBay's NewOpenBox. ASUS doesn't acknowledge the warranty from eBay, I got a ADP card of some sort. But, just three days ago the laptop was trying to boot into PXE, so I went and disabled it in BIOS. I am pretty sure I didn't turn it off, I just changed the boot order. Then, on reboot a black screen.
I have tested the hard drive and it works. I've tried pulling the CMOS battery for thirty minutes, still nothing. Powering on without ram does not yield any beeps. I've also checked the monitor/display and to no avail. I've plugged it into both an HDMI and a VGA display, nothing.
The lights on the front turn on: power indicator, hard drive usage indicator, and battery charging indicator. The hard drive turns off after maybe a post? But, when I open it up the fan, I think it is the CPU fan, doesn't spin up. I've taken this apart three times and still am lost.
I'm quite frustrated because this was a lot of my money I saved up and now it isn't working, seemingly, because I turned off that pxe boot option.
Maybe a dead GPU? But, this laptop isn't that old. I did have it on my bed, so heat would have trouble getting out, but that was only a few times. I would be astounded if the graphics card was fried because of that.
If nothing can be done to fix it, any suggestions on selling the items? I was thinking of taking it apart and selling the display, ram, hard drive, mSATA, and maybe the WLAN card.
I would appreciate any help, thank you. I also apologize if this is the wrong sub-forum.
More about : asus s56ca black screen boot lights hard drive spinning fan spinning
hxrsmurf
October 11, 2013 11:10:07 AM
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hxrsmurf
October 14, 2013 2:40:20 PM
The CPU fan is not spinning upon power button being pressed, either. I think the laptop is supposed to inject the W8 Key when it boots up. I was able to boot the drive on my desktop sucessfully, so I can rule out the hard drive being bad. Maybe it is my BIOS or something? But, at the same time I can't flash the BIOS or anything since there is no screen...
If the hard drive isn't being picked up, how should I change that with the BIOS? As I mentioned I don't have any video output. Now, I wish I didn't even change the pxe option in BIOS
If the hard drive isn't being picked up, how should I change that with the BIOS? As I mentioned I don't have any video output. Now, I wish I didn't even change the pxe option in BIOS
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Well if you're sure the CPU fan is not spinning, that alone is enough to have it exchanged or refunded (if possible). By black screen, I'm not sure if you mean no backlight, or if you mean there's simply no picture but the screen is illuminated.
Disabling PXE ROM should have no bearing on being able to boot the system, as long as it is not the boot priority.
And the Windows 8 key is hard coded into the firmware; it's not injected at boot, per se.
Do you have an external display you can use to test? That will help to determine whether the problem is the monitor/monitor cable or if it's indeed the display adapter.
Disabling PXE ROM should have no bearing on being able to boot the system, as long as it is not the boot priority.
And the Windows 8 key is hard coded into the firmware; it's not injected at boot, per se.
Do you have an external display you can use to test? That will help to determine whether the problem is the monitor/monitor cable or if it's indeed the display adapter.
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hxrsmurf
October 15, 2013 5:11:46 PM
The screen is black with no picture or backlit display. Similar to when you open a laptop that is off.
Unfortunately, it is not under warranty (ASUS doesn't recognize eBay's ADP warranty, which came with the laptop). But, I should contact the eBay seller.
I have tried it on both vga and hdmi external display and nothing shows up. Maybe I need to be more patient and allow ten minutes for something to appear. Would the BIOS be viewable via external display?
Unfortunately, it is not under warranty (ASUS doesn't recognize eBay's ADP warranty, which came with the laptop). But, I should contact the eBay seller.
I have tried it on both vga and hdmi external display and nothing shows up. Maybe I need to be more patient and allow ten minutes for something to appear. Would the BIOS be viewable via external display?
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hxrsmurf
November 2, 2013 11:58:23 AM
Best solution
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enzowe
December 5, 2013 9:06:26 AM
I had the same problem 2 times now but i putted Windows 7 on it using a USB stick(whitch worked great btw) but after that i was trying to boot from a USB stick whitch was ntfs formatted and the files for backtrack where on it (yes i know that the BIOS doesnt reconises ntfs but is was just playing around) and putted it into my laptop and tried booting it and my screen went black and i had basicly the same probleem as this guy has.
Now they have replaced my MB in the laptop 2 times and still no one knows realy what the problem is
Now they have replaced my MB in the laptop 2 times and still no one knows realy what the problem is
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Timtench
December 17, 2013 8:34:52 PM
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