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clear

Compaq Presario CQ40

3 Answers

My laptop screen black but my power button still on

Compaq Presario CQ40 3 Answers

Jerry Wheeler 99.8k

Commented

Jun 7, 2024

commented Jun 7, 2024 by Jerry Wheeler

Compaq Presario CQ40

1 Answer

Why is my battery not charging

Compaq Presario CQ40 1 Answer

RAMANATHA REDDY

Commented

Aug 16, 2026

commented Aug 16, 2026 by RAMANATHA REDDY

Compaq Presario CQ40

1 Answer

The screen flickers and and works only at an acute angle.

accepted Compaq Presario CQ40 1 Answer

RAMANATHA REDDY

Commented

Aug 16, 2026

commented Aug 16, 2026 by RAMANATHA REDDY

Compaq Presario CQ40

2 Answers

Can I use ethyl alcohol?

Compaq Presario CQ40 2 Answers

Commented

May 21, 2019

commented May 21, 2019 by Amr Ateef

Compaq Presario CQ40

3 Answers

caps lock and scroll lock blinking

accepted Compaq Presario CQ40 3 Answers

Answered

Feb 16, 2017

answered Feb 16, 2017 by Manoj

Compaq Presario CQ40

2 Answers

My cq40 does not recognize my hard drive

accepted Compaq Presario CQ40 2 Answers

mayer 690.5k

Accepted an answer

Feb 1, 2020

answer accepted Feb 1, 2020 by mayer

Compaq Presario CQ40

1 Answer

Im still using windows 7 but now it does not get in to system

Compaq Presario CQ40 1 Answer

Answered

Dec 5, 2018

answered Dec 5, 2018 by rosie mary

Compaq Presario CQ40

0 Answers

Power button is getting turn on and off after pressing it

unanswered Compaq Presario CQ40 0 Answers

Commented

Aug 25, 2022

commented Aug 25, 2022 by jayeff

Compaq Presario CQ40

0 Answers

How to connect my laptop into the internet

unanswered Compaq Presario CQ40 0 Answers

oldturkey03 859.3k

Commented

Sep 11, 2017

commented Sep 11, 2017 by oldturkey03

Compaq Presario CQ40

0 Answers

compaq laptop not booting up...led lights blink

unanswered Compaq Presario CQ40 0 Answers

ranjanspeedster 13

Asked

Dec 27, 2016

asked Dec 27, 2016 by ranjanspeedster

Compaq Presario CQ40

0 Answers

first not detected hard disk then gone display now not power on

unanswered Compaq Presario CQ40 0 Answers

oldturkey03 859.3k

Edited

Dec 6, 2015

edited Dec 6, 2015 by oldturkey03

Compaq Presario CQ40

1 Answer

Wireless card not detected

Compaq Presario CQ40 1 Answer

oldturkey03 859.3k

Answered

May 22, 2026

answered May 22, 2026 by oldturkey03

Compaq Presario CQ40

1 Answer

Why it turn off even though I already turn it on many times

Compaq Presario CQ40 1 Answer

oldturkey03 859.3k

Answered

Feb 23, 2026

answered Feb 23, 2026 by oldturkey03

Compaq Presario CQ40

1 Answer

If able to upgrade CPU

Compaq Presario CQ40 1 Answer

Commented

Nov 1, 2025

commented Nov 1, 2025 by LCS

Compaq Presario CQ40

1 Answer

The system clock gets reset.

accepted Compaq Presario CQ40 1 Answer

ALCIDES RAUL HERNANDEZ MACHADO

Commented

Mar 29, 2025

commented Mar 29, 2025 by ALCIDES RAUL HERNANDEZ MACHADO

Compaq Presario CQ40

1 Answer

How can I clean cpu cooler system

Compaq Presario CQ40 1 Answer

Unscrew Guru 25

Answered

Dec 26, 2024

answered Dec 26, 2024 by Unscrew Guru

Compaq Presario CQ40

1 Answer

In my laptop, is not turning on? Or powering on

Compaq Presario CQ40 1 Answer

oldturkey03 859.3k

Answered

Sep 15, 2024

answered Sep 15, 2024 by oldturkey03

Compaq Presario CQ40

1 Answer

Unable to operate the hard disk

Compaq Presario CQ40 1 Answer

Commented

Nov 22, 2022

commented Nov 22, 2022 by JamesWinkleman

Compaq Presario CQ40

1 Answer

How to buy a new display of this laptop

Compaq Presario CQ40 1 Answer

Answer edited

Sep 22, 2022

answer edited Sep 22, 2022 by jayeff

Compaq Presario CQ40

1 Answer

I want to ugrade my screen

Compaq Presario CQ40 1 Answer

Brenden Freier 163

Answered

Mar 10, 2020

answered Mar 10, 2020 by Brenden Freier