Black Screen, LED Blink Code 4

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HP Pavilion dv7 dv9 Series

Repair guides and troubleshooting for HP Pavilion dv7 laptops, manufactured by Hewlett-Packard starting in 2008, and featuring a 17.3" diagonal display.

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PolishRifle @polishrifle

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投稿日: 2015年11月2日

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Black Screen, LED Blink Code 4

I have an HP Pavilion dv7-1235NR laptop that was given to me to take a look at. The computer powers on but the screen stays black. The LEDs blink 4 times near the CAPS and NUM lock keys. I'm fairly sure this means a graphics card issue but the graphics are on the motherboard. Is the only fix for this a mobo replacement? Are there any issues with the OS that would come up if I install a new mobo?

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Customer decided they did not want me to replace the mobo and would be looking to purchase a new laptop. Not sure why they wouldn't spend $100-$150 to fix what they had but spend $700+ for something new that would do the same thing.

PolishRifle さんによる2015年11月16日

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Customer decided they did not want me to replace the mobo and would be looking to purchase a new laptop. Not sure why they wouldn't spend $100-$150 to fix what they had but spend $700+ for something new that would do the same thing. — PolishRifle