Desktop doesn't boot if connected to LCD TV. Reset solves it.

I have an old XP desktop. It has only VGA port. If it connects to LCD monitor using VGA cable, I push Power button, post shows on screen, it boots fine to XP windows.

But if LCD TV connects to it using VGA cable, strange thing happens. I push Power button, the computer starts, I can hear hard drive spin, but LCD TV keeps black screen (no post), then LCD TV turns off, shows "No signal". If I push Reset button then, the computer starts to post on LCD TV screen, and boots fine to XP window. I tried 2 LCD TVs. The same happened.

I don't want to push reset button every time. it's tiny, hard to push.

Anybody had the same situation? How to solve it? Thanks.

 

 

所有跟帖： 

• 显卡和tv不匹配 - 要不你就别关电脑了，用hibernate或者suspend/standby -mc3361- ♂ (0 bytes) () 08/15/2012 postreply 16:53:07

• I will try hibernate. Thanks. -LAChinese- ♂ (86 bytes) () 08/15/2012 postreply 17:07:23

• Another question: why Reset solves everything? -LAChinese- ♂ (125 bytes) () 08/15/2012 postreply 17:33:02

• 预热了一下 -mc3361- ♂ (0 bytes) () 08/15/2012 postreply 17:51:54

• Seems you are right. -LAChinese- ♂ (124 bytes) () 08/15/2012 postreply 18:43:23

• 你有没有什么高级键盘可以让你像笔记本电脑一样转换显示器选项的？ -yh- ♀ (0 bytes) () 08/15/2012 postreply 17:19:42

• Keyboard is dead before I push Reset button. -LAChinese- ♂ (87 bytes) () 08/15/2012 postreply 17:30:29

• I found the problem: undervoltage. -LAChinese- ♂ (159 bytes) () 08/15/2012 postreply 22:51:02

• 呵呵，降低电压温度有差别吗？ -mc3361- ♂ (0 bytes) () 08/16/2012 postreply 07:14:42

• About 6 degrees: from 58C to 52C. -LAChinese- ♂ (275 bytes) () 08/16/2012 postreply 09:59:38

• I'm an IC designer. -LAChinese- ♂ (317 bytes) () 08/16/2012 postreply 10:59:11

• BRCM?? -mc3361- ♂ (0 bytes) () 08/16/2012 postreply 12:19:05

• No, -LAChinese- ♂ (30 bytes) () 08/16/2012 postreply 14:11:02