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HP ProBook 400 Series Repair Forum

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5 of 9 questions in the past 3 months have no reply - Help answer them!

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HP ProBook 400 Series questions

clear

1 Answer

Battery lock in mechanism is broken. Any advice?

HP ProBook 450 G3 1 Answer

Nick 105.7k

Answer edited

8 hours agoAug 17, 2026

answer edited 8 hours agoAug 17, 2026 by Nick

1 Answer

Why does my laptop keep restarting on its own when I shut it down?

accepted HP ProBook 450 G0 1 Answer

Rashmi Kandhil

Answered

13 hours agoAug 17, 2026

answered 13 hours agoAug 17, 2026 by Rashmi Kandhil

1 Answer

Keyboard lights activation on my Laptop

HP ProBook 430 G1 1 Answer

Hammad Saleem khan

Commented

6 days agoAug 11, 2026

commented 6 days agoAug 11, 2026 by Hammad Saleem khan

2 Answers

Why power button and caps lock flashes once then turns off?

HP ProBook 430 G2 2 Answers

jayeff 547.3k

Commented

Jul 22, 2026

commented Jul 22, 2026 by jayeff

1 Answer

My laptop keeps on blinking when plugged in power

HP ProBook 440 G2 1 Answer

Satya Jeet Singh

Commented

Jul 20, 2026

commented Jul 20, 2026 by Satya Jeet Singh

1 Answer

HP Laptop Keyboard only works when restarting

HP ProBook 440 G4 1 Answer

jayeff 547.3k

Answered

Jul 16, 2026

answered Jul 16, 2026 by jayeff

1 Answer

How to replace the thermal paste

accepted HP ProBook 450 G5 1 Answer

Casey Teska 77

Accepted an answer

Jul 12, 2026

answer accepted Jul 12, 2026 by Casey Teska

0 Answers

My laptop’s start up is slow

unanswered HP ProBook 430 G6 0 Answers

Omar Haji

Asked

Jun 29, 2026

asked Jun 29, 2026 by Omar Haji

0 Answers

How do I turn on my laptop when it is even not turning on after replac

unanswered HP ProBook 450 G1 0 Answers

Vivaan

Asked

Jun 28, 2026

asked Jun 28, 2026 by Vivaan

0 Answers

What to do when you are trying to cast TV and laptop but the tv nshowi

unanswered HP ProBook 440 G5 0 Answers

Seidu Olalekan

Asked

Jun 24, 2026

asked Jun 24, 2026 by Seidu Olalekan

0 Answers

Why is my PC not booting?

unanswered HP ProBook 450 G6 0 Answers

MORICE.JR

Asked

Jun 24, 2026

asked Jun 24, 2026 by MORICE.JR

1 Answer

Can't turn on

HP ProBook 430 G1 1 Answer

Santosh Gupta Santosh Gupta

Commented

Jun 16, 2026

commented Jun 16, 2026 by Santosh Gupta Santosh Gupta

0 Answers

My laptop's problem is the screen sometimes ok and sometimes its not

unanswered HP ProBook 430 G6 0 Answers

Venix Mode

Asked

Jun 12, 2026

asked Jun 12, 2026 by Venix Mode

1 Answer

My screen doesn't come on but the system can show through projector

accepted HP ProBook 430 G1 1 Answer

someperson 953

Accepted an answer

Jun 2, 2026

answer accepted Jun 2, 2026 by someperson

1 Answer

Why is my "tab" key not working

HP ProBook 440 G5 1 Answer

chiragchh

Answered

May 28, 2026

answered May 28, 2026 by chiragchh

0 Answers

Why does the laptop has issues with ROM

unanswered HP ProBook 430 G4 0 Answers

oldturkey03 858.8k

Commented

May 18, 2026

commented May 18, 2026 by oldturkey03

1 Answer

Can't update HP Probook 445 R G6 BIOS or Change RAM

HP ProBook 445 G6 1 Answer

Kosh Griffiths

Answered

May 15, 2026

answered May 15, 2026 by Kosh Griffiths

0 Answers

How to remove the bios password

unanswered HP ProBook 430 G5 0 Answers

me he

Commented

May 11, 2026

commented May 11, 2026 by me he

1 Answer

no internet connection and Bluetooth connection

HP ProBook 450 Series 1 Answer

oldturkey03 858.8k

Answered

May 8, 2026

answered May 8, 2026 by oldturkey03

0 Answers

Why my laptop is not charging?

unanswered HP ProBook 440 G8 0 Answers

kushal purbachhane

Edited by author

May 5, 2026

edited by author May 5, 2026 by kushal purbachhane