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Bricked with a BIOS setting

If its broke and it doesn't turn on you probably wanna post in here.

Bricked with a BIOS setting

by Jack15 » January 28th, 2015, 12:38 am

Hi All,

A word of warning with the LINX7, you can easily totally hard brick it (as I did) by toggling a BIOS setting which changes the behavior of what happens when you connect power.

The setting is something like:
"External power device power state" (off the top of my head)

With two possible options: (S0 is the default option, *S5 will brick*)
S0 or S5

I was looking for a way to stop the device booting whenever power was connected, it was driving me nuts. I'd shut it down, and then plug it in the charge it, which would then boot it, so that I had to shut it down again.

After setting the option to S5, it never came back on again after shutdown. No button combination would wake it and connecting power did nothing, not even the charge light would come on. Essentially, the power button is not a power button, more like a "Sleep" button. The way you would clear this on a desktop PC would be to reset BIOS settings, which essentially means disconnecting ALL power (battery and BIOS battery). With a tablet, this would mean cracking open the case....

Anyone else had the above?

(For reference, a link about PC power states You need to be registered to view this link, please log-in or register )
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Re: Bricked with a BIOS setting

by dutchrudderz » January 30th, 2015, 8:05 pm

Hi

If you look further down the threads i have had the same issue. I changed loads of bios options and it bricked. Horrific that changing the power state can do this. Check my post further diwn
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Re: Bricked with a BIOS setting

by Aergan » January 30th, 2015, 8:42 pm

"Enhanced C-State" bricked my first (already faulty) Linx 10.
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Re: Bricked with a BIOS setting

by millski » February 3rd, 2015, 2:27 pm

Just set BIOS Chipset/South Bridge/USB Configuration to PCI mode under USB OTG support, and USB VBUS to ON and now mine is bricked. Blue power light when plugged in but nothing on the screen :(
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Re: Bricked with a BIOS setting

by Aergan » February 3rd, 2015, 9:47 pm

millski wrote:Just set BIOS Chipset/South Bridge/USB Configuration to PCI mode under USB OTG support, and USB VBUS to ON and now mine is bricked. Blue power light when plugged in but nothing on the screen :(


I've changed those with no issues before - tried seeing if you get anything from a forced reset and no USB plugged in (power button for 30secs, release, on again for 4 secs)? Anything on HDMI?
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Re: Bricked with a BIOS setting

by millski » February 3rd, 2015, 9:49 pm

Tried that, no response from the tablet at all. Nothing on hdmi either.
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Re: Bricked with a BIOS setting

by dutchrudderz » February 3rd, 2015, 10:35 pm

It seems this tablet has come major incompatabilities with the bios. This should not happen. A reset i.e holding down a button combo should reset it. I have sent mine back and am not going to purchase another until they fix it
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Re: Bricked with a BIOS setting

by westonpf » February 4th, 2015, 4:52 am

Perhaps worthy of a 'STICKY' somewhere to specifically warn people not to tinker with the BIOS settings.
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Re: Bricked with a BIOS setting

by Phil G » August 6th, 2015, 11:47 am

This is repairable but requires a spi programmer and access to the bios chip inside. There's a guide in the guides section using a raspberry pi. I have ordered all the equipment to do this and will help users once I'm confident with it
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Re: Bricked with a BIOS setting

by pjpjpj » April 29th, 2016, 3:09 am

Hi,

I made the same miskate yesterday. I changed the same option in bios an it broke the device.
I resolved the problem by doing a clear CMOS :
Deconecting the battery (I had to cut the black wire), press the power button with the battery still deconnected and reconnect (solder) the battery.

My device is alive again ! :)
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