https://h30471.www3.hp.com/t5/bi-ji-ben-dian-nao/8540w-sheng-jicpu-I7-720QM-sheng-ji-daoi7-620M/m-p/917502#M392250 <P>原i7-720qm CPU换上i7-620m后，大写灯和数字灯闪，闪三下，CPU风扇快速转动，进不了系统和BIOS。换下内存条后，开机后反复重启。换回i7-720qm后一切正常。查资料这款8540w的序列号是SMTTEST001,产品编号是SMTWSKU.请教大家这是为什么?如何解决?</P> Tue, 26 Mar 2019 07:56:28 GMT 小木头人 2019-03-26T07:56:28Z https://h30471.www3.hp.com/t5/bi-ji-ben-dian-nao/8540w-sheng-jicpu-I7-720QM-sheng-ji-daoi7-620M/m-p/917502#M392250 <P>原i7-720qm CPU换上i7-620m后，大写灯和数字灯闪，闪三下，CPU风扇快速转动，进不了系统和BIOS。换下内存条后，开机后反复重启。换回i7-720qm后一切正常。查资料这款8540w的序列号是SMTTEST001,产品编号是SMTWSKU.请教大家这是为什么?如何解决?</P> Tue, 26 Mar 2019 07:56:28 GMT https://h30471.www3.hp.com/t5/bi-ji-ben-dian-nao/8540w-sheng-jicpu-I7-720QM-sheng-ji-daoi7-620M/m-p/917502#M392250 小木头人 2019-03-26T07:56:28Z https://h30471.www3.hp.com/t5/bi-ji-ben-dian-nao/8540w-sheng-jicpu-I7-720QM-sheng-ji-daoi7-620M/m-p/917612#M392276 <P>工程样机吧，这种机器不能随便更新BIOS</P><P>&nbsp;</P><P>即使不是工程样机，量产的产品本身也不支持随意更换CPU。</P><P>&nbsp;</P><P>自己要换，也先更新最新BIOS</P> Wed, 27 Mar 2019 04:16:57 GMT https://h30471.www3.hp.com/t5/bi-ji-ben-dian-nao/8540w-sheng-jicpu-I7-720QM-sheng-ji-daoi7-620M/m-p/917612#M392276 y2kim 2019-03-27T04:16:57Z https://h30471.www3.hp.com/t5/bi-ji-ben-dian-nao/8540w-sheng-jicpu-I7-720QM-sheng-ji-daoi7-620M/m-p/917695#M392298 <P><SPAN>这个太专业了</SPAN><SPAN>&nbsp;</SPAN><SPAN>干嘛这么折腾</SPAN><SPAN>&nbsp;</SPAN><SPAN>如果是正规渠道买的</SPAN><SPAN>&nbsp;</SPAN><SPAN>就去售后</SPAN><SPAN>&nbsp;</SPAN></P> Wed, 27 Mar 2019 10:15:20 GMT https://h30471.www3.hp.com/t5/bi-ji-ben-dian-nao/8540w-sheng-jicpu-I7-720QM-sheng-ji-daoi7-620M/m-p/917695#M392298 fh6669 2019-03-27T10:15:20Z