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Message 1 of 2
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Flag Post

Blank screen

HP Recommended
Pavilion x360 convertible
Microsoft Windows 10 (32-bit)

Laptop turns on but black screen. Caps lock blinking LED 3 long and 5 short.

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Message 2 of 2
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HP Recommended

@SG67 , welcome to the forum.

 

Here is a Guide to help you understand the Beep Code: https://support.hp.com/us-en/document/c01732674

 

3.5 (blink)
Hardware
The CPU is not detected.
Contact support for repair due to system board or CPU failure.

 

It states that the CPU/Processor is not detected.  Unless you are very tech savvy, I suggest taking the laptop to a reputable computer shop for repairs.  If the laptop is still in the warranty you should contact HP Customer Support and give them this information.

Please click the Thumbs up + button if I have helped you and click Accept as Solution if your problem is solved.




Signature:


HP TouchPad - 1.2 GHz; 1 GB memory; 32 GB storage; WebOS/CyanogenMod 11(Kit Kat)

Custom build: Corsair 750D Airflow (Full Tower); MSI MEG Z390 ACE; i9-9900K processor (OC'd 5.025); Corsair H150i cooler; Corsair Vengeance Pro 3200 memory ( 32 GB ); MSI RTX 2080 Gaming X Trio video card; MSI GH70 Immerse LED Headset; 3- Corsair QL140 RGB Fans w/Commander Pro and Lighting Node Core; Samsung 970 Pro 512 GB; Samsung 860 EVO 1 TB

HP Spectre 360 Convertible; i7-7560U; 16 GB memory; Intel® Iris™ Plus Graphics 640; 512 GB PCIe® NVMe™ M.2 SSD; 13.3" diagonal 4K UHD UWVA eDP BrightView WLED-backlit multitouch-enabled edge-to-edge glass (3840 x 2160); Windows 10 Pro 64 with Windows Ink

HP Photosmart 7855 AIO


**Click the Thumbs Up+ to say 'Thanks' and the 'Accept as Solution' if I have solved your problem.**

Intelligence is God given; Wisdom is the sum of our mistakes!

I am not an HP employee.


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