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tcox8
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Lenovo Helix PreBoot Touch Screen not working

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I have a Lenovo Helix that I can't get the touch screen to work in the preboot screen. What I have tried are listed below.

Enabled OSK in policy.

Turned on Always Enable Pre-Boot USB Support in policy.

Disabled USB 3.0 Support (following this KB article: https://kc.mcafee.com/corporate/index?page=content&id=KB78632&actp=LIST_RECENT

Updated BIOS to version 1.16 (released Oct 2013)

Notes:

The Helix is using BIOS (legacy) and not UEFI.

EEPC version is 7.2

OS is Windows 8.

Mouse and Keyboard work fine in pre-boot environment.

Any ideas?

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Reliable Contributor SafeBoot
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Re: Lenovo Helix PreBoot Touch Screen not working

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What model of touchscreen is it using? EEPC in BIOS mode is limited to USB WACOM screens only, as touchscreen support is not standardized.

if you use UEFI mode, most manufacturers provide the touch screen drivers as part of their UEFI implementation - there's a test tool in the KC to check this.

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Reliable Contributor SafeBoot
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Message 2 of 6

Re: Lenovo Helix PreBoot Touch Screen not working

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What model of touchscreen is it using? EEPC in BIOS mode is limited to USB WACOM screens only, as touchscreen support is not standardized.

if you use UEFI mode, most manufacturers provide the touch screen drivers as part of their UEFI implementation - there's a test tool in the KC to check this.

tcox8
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Re: Lenovo Helix PreBoot Touch Screen not working

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I'm not sure how to find the model of touchscreen.

Sounds like I will have to reformat and try this in UEFI. I haven't done any UEFI encryption so I hope it won't be too big of a deal. I'll report back next week on my findings.

I appreciate your help!

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Re: Lenovo Helix PreBoot Touch Screen not working

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You can find the touchscreen mode in Device Manager.

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JayMan
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Re: Lenovo Helix PreBoot Touch Screen not working

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I've got a few Helix's here & can confirm UEFI mode will get the touchscreen working no problems.

To get around disable USB3.0 support, you should apply the latest firmware patch for the keyboard dock from Lenovo - http://download.lenovo.com/ibmdl/pub/pc/pccbbs/mobiles/gfqj03us.exe

tcox8
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Re: Lenovo Helix PreBoot Touch Screen not working

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I have confirmed as well that UEFI mode allows the touchscreen to work. Thanks all for the help!

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