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Toronto699
4 Tellurium

XPS 720 DIAG LITES 2,3,4

my xps 720 will not boot , freezes on Dell Bios screen A06 , diag lites 2,3,4 remain on , the bios screen starts then freezes at about 1/4 of the bar.  any one have the Canadian XPS support phone number , thanks for your help.

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3 Replies
Davet50
5 Iridium

Re: XPS 720 DIAG LITES 2,3,4

2,3,4, possible usb issue. disconnet all external and if you have a card reader that too usb devices. see if it will boot.

 Home Built Sandy Bridge P8P67 i7 2600k @ 4.5 GHz 8gigs GSkill Ripjaws. Corsair 800D Case and AX1200 Ps X-Fi Titanium Fatal1ty pro PCIe Sound Card
Dell Studio XPS 1645  Window 10 Pro

Forum member since 2003

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Toronto699
4 Tellurium

Re: XPS 720 DIAG LITES 2,3,4

Davet50 , thanks for your help , u are correct it was a USB Device

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Davet50
5 Iridium

Re: XPS 720 DIAG LITES 2,3,4

Your Welcome

 Home Built Sandy Bridge P8P67 i7 2600k @ 4.5 GHz 8gigs GSkill Ripjaws. Corsair 800D Case and AX1200 Ps X-Fi Titanium Fatal1ty pro PCIe Sound Card
Dell Studio XPS 1645  Window 10 Pro

Forum member since 2003

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