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i have a extensa 4420 boots to black screen after default factory disc install

New User

i have a extensa 4420 boots to black screen after default factory disc install

backlight is off and on at cold startup. bios update or what?

3 REPLIES
Valued Contributor

Re: i have a extensa 4420 boots to black screen after default factory disc install

Well there is no BIOS update for the Extensa 4420 series so this may be an issue with the backlight on the unit.

“No one messes around with a nerd’s computer and escapes unscathed.”
― E.A. Bucchianeri
New User

Re: i have a extensa 4420 boots to black screen after default factory disc install

it will do this on ac with battery installed but not on battery only ac unpluged or ac only battery removed

Valued Contributor

Re: i have a extensa 4420 boots to black screen after default factory disc install

Well the other thought here would be this may be an issue with the power settings on the unit. Ty going under the Control panel and adjusting the settings for the display.

“No one messes around with a nerd’s computer and escapes unscathed.”
― E.A. Bucchianeri