Laptops General - Read Only

2 Bronze

Firmware update utility for DBC Disabled & Enabled disabled.

Accidentally chose the diable option after downloading this driver on xps 15 9550.

now the laptop screeen doesnot light up.

how to re-enable it?

Solution (1)

Accepted Solutions
Moderator
Moderator

kamal4493,


To verify that this file (Enable/Disable) is not driven by the operating system, see if it will boot into safemode.
If you cannot, then the switch must have been made on a bios level, not an operating system level.
If the file cannot be re-run because it senses that it is already installed,
By mistakenly choosing disable, the LCD panel is broken and will need to be replaced. This is not covered under warranty unless you have the Complete Care Warranty.

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Community Accepted Solution
Replies (6)
Moderator
Moderator

kamla4493,

You can click the link below for information on recoverying the bios.

http://dell.to/2hwixFz

2 Bronze

Do you think it is  a bios issue?

because i can access the system through external monitor(hdmi) and the sytem boots perfectly there.

i just dont see anything on the laptop screen .

2 Bronze

i tried that but i do not see anything on laptop screen..i think the laptop screen backlight is off somehow by this driver

Moderator
Moderator

kamal4493.

If you can see the bios and windows using an external monitor via HDMI, then you can reset the bios there. Using the external monitor to see the windows desktop, why not simply run the file again and choose Enable instead of Disable?
http://dell.to/2hAAsut


2 Bronze

because if i try to enable it again from external monitor. the driver gives the error

PANEL UPDATE :

device is not supported

Moderator
Moderator

kamal4493,


To verify that this file (Enable/Disable) is not driven by the operating system, see if it will boot into safemode.
If you cannot, then the switch must have been made on a bios level, not an operating system level.
If the file cannot be re-run because it senses that it is already installed,
By mistakenly choosing disable, the LCD panel is broken and will need to be replaced. This is not covered under warranty unless you have the Complete Care Warranty.

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