my delta can't boot, stop at logo and shows 98

<t>my english is not good, i'm a chinese buyer, and may type some chinese.<br/>
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my board is delta, just brought 2 days from taobao.<br/>
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1st day totally ok, 2rd day, can't boot. and even can't enter to bios.<br/>
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i tried reboot, reset, not work.tried hard rest, not work.<br/>
i install ubuntu os, everything works fine before.<br/>
my delta have fans, and the fan go well, the lights go well to.<br/>
i didn't do anything bad or wird, just normal use.<br/>
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我的板子刚买第二天就无法启动，在屏幕右下角出现98字样，无论如何重启都无果，无法进入bois，风扇和led灯都正常工作，已经尝试你们论坛红字提出的所有办法。用的电源是你们官方的。不知为何论坛强制英文，如果购买的人不会英文，那么如何获得帮助？<br/>
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谢谢</t>